d.o.s. daily oral science warm-ups * most taken from cpo science student taks practice books

D.O.S. Daily Oral Science Warm-ups * Most taken from CPO Science Student TAKS Practice Books

A D. O. S. of Good News!!! We do not have a D.O.S. to do on days we have a lab or test

Thought for the Day Success is a Journey, Not a Destination

Joke of the Day Where do you do your dishes? In the Zinc

DOS #1 Which of these is NOT a branch of science? a.Chemistry b.Biology c.History d.Physics

CONGRATS VOLLEYBALL They beat Palacios last night to go 1 0 in District

DOS #2 Which set of elements are in the Noble Gases Group? a.Hydrogen, Lithium, Sodium, Potassium b.Helium, Neon, Argon, Krypton c.Copper, Silver, Gold, Zinc d.Fluorine, Chlorine, Bromine, Iodine

Joke of the Day Intelligent Life

DOS #3 Which of these are true statements about the importance of science? a.Science touches our lives in many ways everyday b.Girls need to know as much about science as boys do c.Critical thinking and problem solving lead to inventions that can help improve the quality of life d.All of the above

Physics Joke of the Day Our Tax Dollars at Work

Chemistry Joke for the Day What's the difference between Chemistry and cooking? In Chemistry, you should never lick the spoon.

Birthdays Erin Stryk 9/1

Go Cobras

DOS #4 Regarding heating materials in the laboratory, which of the following statements is NOT true? a.When heating chemicals in a test tube, point the opening of the test tube away from yourself and others b.Work with chemicals that produce gases and vapors only in a well-ventilated room c.Use hot plates, not open flames, for heating materials d.Use tongs or insulated gloves when handling an object being heated.

Joke of the Day in Honor of Tonights Blue Moon (the last one until 2015) Did you hear about the new restaurant that just opened up on the moon? It has fabulous food, but no atmosphere

Go Cobra Volleyball Beat Edner

D. O. S. #5 What is the definition of hypothesis? a.The statement of a scientific problem b.The study of cloning hippopotami c.The results obtained from conducting scientific experiments d.The prediction of an answer to a scientific problem

Joke of the Day A man walks into his lab and asks Group 18, Where are all the other elements? Group 18 replies to the man, They ARGON (are gone) Contributed by Luke Smith 6 th period

D.O.S. #6 What common lab instruments would you use to measure mass and volume? a.Balance and metric scale ruler b.Metric scale ruler and graduated cylinder c.Balance and graduated cylinder d.Beaker and graduated cylinder

Joke of the Day What did Hurricane Isaac say to the Island? EYE Ive got my EYE on you

D.O.S. # 7 Name the 4 base SI units a.feet, inches, yards, miles b.meter, gram, liter, seconds c.feet, inches, meters, centimeters d.Celsius, Fahrenheit, seconds, hours

Joke of the Day The Battle of the Lab Equipment Dads Mr. Graduated Cylinder vs Mr. Thermometer

D.O.S. #8 - P Convert 34 inches in English units to metric centimeters (2.54 cm = 1 inch) a.13.4 cm b.134 cm c.86 cm d.860 cm

DOS #8 - C When you clean up after a laboratory exercise: a.Return all unused, uncontaminated chemicals to their properly labeled storage area b.Dispose of all used solutions by carefully diluting them with water in the sink c.Dispose of unbroken glass in a special disposal container labeled for this purpose d.All of the above

Joke of the Day Why is electricity so dangerous? Shocking News - It doesnt conduct itself very nicely

Congrats Cross Country Varsity Girls 3 rd, JV Girls - 1 st and Varsity Boys 3 rd Harley Davis 1 st in JV Will Maraggia 3 rd in Varsity Volleyball was victorious over Bloomington Football had some exciting plays, but unfortunately Ganado prevailed Livestock Judging at Colorado County - ??

D.O.S. #9 A graduated cylinder has an initial volume of 50 ml of water. After an irregular solid object is added the volume in the cylinder rises to 60 ml. What is the volume of the solid? a.10 cm 3 b.10 ml c.Both a and b d.Neither a or b

Joke of the Day How do you write the chemical formula for the following? BaNa 2 BaNaNa Contributed by Bubby Rowlett 6 th period

June Birthdays 1 Ben Rogers 3 Matthew Bellanger 5 Martha Reyna 6 Abbie Pooley 9 Kevin Holdgraf & Carson Popp 11 Eddie Gonzalez 28 Leslie Smith 30 David Franz & Melissa Harms

July Birthdays 12 Jacob Novak 16 Courtney McGarrah 19 Alejandro Garza

August Birthdays 5 Stephen Salazar 6 Tristan Garrison and Lauren Morton 8 Amanda Ament 12 Amasty Harms & Courtney Sackett 14 Lane Peterson 20 A J Rosas 26 Brady Karl

Sept. Birthdays Erin Stryk 9/1 Jay Rubio 9/11 Irene Reyna 9/13 Karly Dyson 9/16 Teton Thedford & Ashton Brogger 9/19 Mason Davis & Kim Morris 9/21 Matthew Yarborough 9/23 Katie Grantland 9/26 Chazidi Zambrano 9/27

D.O.S. #10 Imagine you are designing an experiment to compare the ability of a golf ball and a ping- pong ball to bounce on sand. Which of the following choices is a valid hypothesis? a.The golf ball bounces highest b.A ping-pong ball bounces highest c.Neither ball will bounce d.All of these are equally valid

Joke of the Day What crime was the out-of-control chemist charged with? A salt and battery Assault

Happy Birthday Irene Reyna 9/13

D.O.S. #11 Which is NOT evidence of a chemical change occurring? a.Bicycle chain has rusted after being out in the rain b.Instant cold pack is activated once you break the pouch of water inside c.First step to digesting food is to chew it up d.Adding baking powder to a cake so it will rise when cooked

Joke of the Day The Love Story of Ice and Bunsen Burner

Happy Birthday Karly Dyson Sun., 9/16

D.O.S. #12 What is the correct order for the biomass Pyramid (from bottom to top)? a.Carnivores, herbivores, producers b.Producers, herbivores, carnivores c.Animals, vegetables, minerals d.Minerals, vegetables, animals

Joke of the Day Space Monkeys

D.O.S. #13 What is an indication a chemical change has occurred? a.Bubbles from formation of a gas b.Precipitate c.Temperature of new products drops or increases d.All of the above

Joke of the Day According to the mathematician who couldnt pass chemistry. If the formula for water is H 2 O, then the formula for ice should be (H 2 O) 3 --- H 2 O cubed since ice comes in cubes Contributed by Amasty Harms 4 th period

Happy Birthday Ashton Brogger Teton Thedford

D.O.S. #14 Which of the following indicates a physical change may have occurred? a.A substance changes color when another substance is added and heat is released b.A white precipitate forms when you mix two liquids c.A beaker of liquid bubbles when another substance is added d.A block of wax melts quickly when heated in a beaker

Joke of the Day Oh no, exclaimed the chemist, He threw sodium chloride at me. Thats a salt Assault Contributed by Jade Trowbridge 4 th period

D.O.S. #15 As an athlete is running a 5 K race, her cells need more oxygen. Which change will help her body meet the increased demand for oxygen? a.Her heart beats more quickly b.Her pancreas releasing more insulin c.Her breathing becoming more shallow d.Her sweat glands becoming more active

Joke of the Day If H 2 O is water. What is H 2 O 4 *? Drinking, swimming, bathing, washing * H 2 O for

D.O.S. #16 Scientists use which of the following to conduct research a.Pythagorean Theorem b.Scientific Method c.Cafeteria Menu d.Law of Wisdom

Thought for the Day Perseverance. A diamond is a chunk of coal that stuck to its job even when it was under a lot of pressure

Homecoming Court

HAPPY BIRTHDAY Matthew Yarborough

D.O.S. #17 Which is a physical property of matter? a.Boiling Point b.Reactivity c.Toxicity d.Corrosivity

Joke of the Day What kind of pants do biologists wear? Designer genes (jeans)

Homecoming Court

D.O.S. #18 A block of iron has a volume of 10.0 cm 3 and a mass of 17.0 g. What is the density of iron? a.170.0 g/cm 3 b.2.70 g/cm 3 c.0.590 g/cm 3 d.1.70 g/cm 3

Joke of the Day New Formula for Water

Senior Homecoming Court

Happy Birthday Katie Grantland

D.O.S. #19 What is the percent fat in a candy bar that has 250 g of fat and weighs a total of 595 g? a.345% b.238% c.42% d.4.2%

Joke of the Day If you arent part of the solution, you are part of the precipitate

Happy Birthday Chazidi Zambrano

D.O.S. #20 When a gas stove is used to cook food, methane gas (CH 4 ) reacts with oxygen gas (O 2 ) and carbon dioxide (CO 2 ) and water (H 2 O) are produced. According to the law of conservation of mass, which statement is true about this reaction? a.Mass of methane gas burned must equal mass of carbon dioxide produced b.The combined mass of carbon dioxide and water produced must be equal to the combined mass of methane gas and oxygen burned c.Some of the carbon atoms in the methane gas will be converted into oxygen atoms d.If more oxygen is added to the reaction, more carbon dioxide and water will be produced

Joke of the Day Why did the physicist think the chicken crossed the road? Chickens at rest tend to stay at rest. Chickens in motion tend to cross the road

Homecoming 2012 Beat Rockport

D.O.S. #21 What is one reason that dehydrated patients are given intravenous solutions of pure water with a small amount of dissolved salt rather than just pure water? a.To help prevent cells from shriveling because of the pressure caused by osmosis b.So pressure caused by osmosis will cause a net movement of salt into cells c.So dissolved substances will be transported across cell membranes and out the cells d.To help keep the concentration of dissolved substances inside and outside the cell equal

Homecoming Joke Oxygen went to homecoming with Potassium. When asked how the date went Oxygen replied, OK

CONGRATS HOMECOMING ROYALTTY David Franz King Jordin Jones Grand Duchess

D.O.S. #22 Name a chemical property of a material a.Ductility b.Freezing Point c.Corrosivity d.Solubility

Joke of the Day Did you hear about the chemist reading a book on helium???? He just couldnt put it down Twilight

Homecoming Crowd

D.O.S. #23 What percentage of the calories in one serving of tortillas comes from fat? a.2% b.4% c.6% d.9%

Joke of the Day Why are chemists great at solving problems? They have all the solutions

Homecoming Royal Ladies

D.O.S. #24 How many grams are in 4.56 kilograms? a.45.6 gram b.456 grams c.4560 grams d.45600 grams

Joke of the Day How did the herpetologist know he would get married soon? He caught the garter snake

Thanks Shelby & Dad

D.O.S. #25 If an atom has 4 protons and 5 neutrons, how many electrons must it have to remain neutrally charged? a.1 b.4 c.5 d.9

Joke of the Day Two atoms are walking down the street..

Friday Oct. 5 D.O.S. Checkpoint #1 Questions 1 25 Open Notes

D.O.S. #26 Which population in the food chain is most likely to have the greatest biomass? Grass White-tailed deer Mountain lions Vultures a.Grass b.White-tailed deer c.Mountain lions d.Vultures

Joke of the Day A foolish gardener planted a light bulb He thought he would grow a Power Plant

Congrats The Cobra band won BEST IN CLASS AA And OUTSTANDING DRUMLINE AWARD at the Lamar ISD And BEST SOLOISTS

FFA News Industrials Junior Team placed third in team judging at Hempstead Dustin Hempels critter won best in class at the Heifer Show

D.O.S. #27 Properties of metals include a.Bitter taste and reactive with fats b.Easily form liquids or gases c.Are most often anions d.Have free flowing electrons that make them good conductors of electricity, shiny, ductile, and malleable

Joke for the Day What can you make from the chemicals of Potassium, Nickel, and Iron? A KNiFe

D.O.S. #28 John and his partner are preparing glass tubing to be used in their lab investigation. As John pushes a glass tube through a rubber stopper the glass breaks and cut Johns hand. His lab partner should first: a.Notify the teacher there is broken glassware b.Clean-up the broken glass to prevent further injury c.Notify the teacher immediately there has been an injury d.Remind John to lubricate glass tubing and use a turning motion when inserting glass tubing into stoppers to prevent breakage and injury

Joke of the Day Wind power is very popular because it has lots of fans

D.O.S. #29 How many significant figures does the following measurement have? 0.00230 a.2 b.3 c.5 d.6

Joke of the Day The smooth talking IHS senior guy in Miss Hunts science class says to the freshman girl, Baby, I know my chemistry, and youve got one significant figure.

HAPPY BIRTHDAY Wayne Zbikowski

CONGRATS Courtney Sackett won BEST in SHOW for her Tiger Oil Pastel at Jackson County Fair

D.O.S. #30 Which of these represents a compound? a.Silver b.Salt c.Blueberry Muffin Mix (uncooked, loose berries) d.Oil and Water

Joke of the Day What do you get in black socks? Black holes

We Love Our Cobras Band 2A division champs at Edna Marching Contest. Best 2A horn line. 3 rd place Overall in field including big school bands. Football good game, but tough loss to Rice Volleyball good games, but tough loss to Rice Cross County Girls 2 nd place team Boys - 3 rd place team. Will Maraggia 2 nd place. Chandler Van Horn 5 th place. Colton Nagel his best race of the year. Crisna Baez 5 th place Cheerleaders Nice dance moves High School Rodeo Success Shelby Martin 10 th place in poles Jackson County Fair Participants.

D. O. S. #31 - P Which statement is true about projectile motion? a.Gravity is the only force that acts upon a projectile, since we will assume air resistance is negligible b.Horizontal velocity changes since no unbalanced forces act in that direction c.Vertical velocity is influenced by gravity and range of distance is impacted by angle of the sun d.At the maximum acceleration of a projectile horizontal and vertical velocity are zero

D. O. S. #31 - C You need to go to the lumber yard to get some wood for the frame of the patio deck you are building that has to sit at a weird angle due to the location of your house vs. the property line. You measure the following dimensions for each side. 8.45 m, 6.3 m, 4.33 m, and 5.2 m How much wood should you get at the lumber yard? (Remember sig figs matter) a.24 m b.24.2 m c.24.3 m d.24.28 m

Joke of the Day What do you call a person who keeps on talking when people are no longer interested? A Teacher. Like Miss Hunt

Opportunity for Extra Points Attend Victoria Colleges Information Night Tuesday, October 16th from 5:30 to 8:00 p.m. in the VC Health Sciences Center This event will give prospective students and their parents an opportunity to explore VCs areas of study, financial aid options, scholarships, admissions requirements, and student life activities. Visit with college program people and/or employers in attendance and complete the VC Info Night Interview Form from Miss Hunt Receive up to 10 extra points on a major grade

Art Show Winners See Announcements

D.O.S. #32 - P Since the 1940s chemical insecticides have been used to control insects that damage crops and spread disease. However, such control efforts fail when insect pests become resistant to insecticides as a result of -- a.Natural selection b.Learned behavior c.Geographic isolation d.Asexual reproduction

D.O.S. #32 - C A chemist observes a reaction that gives off an odor similar to ammonia and the products turn from blue to red and will not turn back to original color. This is evidence of what: a.Inertia b.Physical change c.Chemical change d.Physical and chemical changes

Joke of the Day What do you call a joke that is based on cobalt, radon, and yttrium? CoRnY

HAPPY BIRTHDAY Dylan Koehl

HAPPY BIRTHDAY Daniel Santillan & Justin (JET) Thompson Sat. - Oct. 20

GO COBRAS Good Try JV GO FOOTBALL and VOLLEYBALL.. Beat the Cowboys Good Luck at Regional Band Contest Go FFA Judging Team at Calhoun County Fair

D.O.S. #33 Which state change occurs when a solid goes directly to a gas? a.Melting b.Sublimation c.Condensation d.Freezing

Joke of the Day How can you save someone with carbon and praseodymium? Give them CPr Created by Cade Peterek

D.O.S. #34 If a person is 6-3 tall, how tall are they in meters? (1 inch = 2.54 cm) a.191 m b.1.91 m c.16.0 m d.1.60 m

Joke of the Day What do you call a power failure? A current event

D.O.S. #35 If the atomic mass of Phosphorous is 30.973761 and the atomic number is 15. How many neutrons does it have? a.15 b.2 c.30 d.16

Joke of the Day A neutron bought a Dr. Pepper at the concession stand..

HAPPY BIRTHDAY D J Hart

GOLDEN COBRA BAND Division 1 Superior Rating in Region 13 Competition

Celebrate Mole Day 2012 on Tuesday, Oct. 23 (10/23) from 6:02 am to 6:02 pm Activity Period Miss Hunts Room

D.O.S. #36 In a previous D.O.S., a solid placed in a graduated cylinder had a volume of 10 cm 3. If its mass is 50 g., what is the density? a.2 g/cm 3 b.0.2 g/cm 3 c.5 g/cm 3 d.60 g/ cm 3

Joke of the Day My friends son dropped out of chemistry class at college After the third week he realized he was out of his element

HAPPY BIRTHDAY Kenneth (Bubby) Rowlett

Good Luck at District Cross Country

Happy Mole Day 2 U A: Rock N Mole The mole is a unit of measurement for the amount of substance or chemical amount.unit of measurement amount of substance 6.02 x 10 23 atoms per mole * The atomic mass unit = 1 mole of an element Q: What is Avogadros favorite kind of music? Celebrate Mole Day 2012 on Tuesday, Oct. 23 from 6:02 am to 6:02 pm * Mole Day Song

D.O.S. #37 What is a mole? a. A lightly furry, little, burrowing critter b.A small, dark spot on skin c.A unit of measurement for the amount of substance 6.02 x 10 23 atoms d.All of the above

Mole Day Activities for Science Club Remember ~ Its Avogadro like avocado Which makes Guacamole Lets Explore More about the Mole through a Lab Activity Lab Activity More Mole Day JokesMole Day Jokes

D.O.S. #38 Which are the smallest parts of an atom? a.Neutrons b.Nucleus c.Protons d.Electrons

Joke of the Day What are the favorite elements of doctors? Helium and Curium

District Cross Country Results Varsity Girls took 1 st Varsity Boys took 3 rd Both will advance to Regionals!

GO GIRLS

GO GUYS

D.O.S. #39 An ecosystem is a.Interactive system that includes all parts of the physical environment b.The only place life can exist c.The entire community of organisms that live there plants, animals, fungi, & bacteria d.All of the above

Joke of the Day What do the doctors in yesterdays joke do if they cant helium or curium sick people? They barium Which is also what you do to dead chemistry teachers

D.O.S. #40 - P The three factors that actually do affect motion are a.Velocity, acceleration, momentum b.Distance, time, speed c.Friction, gravity, air resistance d.Reactions, actions, net force

D.O.S. #40 - C Results of a scientific investigation are communicated in which step? a.Hypothesis b.Research c.Data collection and analysis d.None of the above

Joke of the Day A mushroom walks into a bar and announces, A round of drinks for everyone! Another customer remarks, Well, he seems like a fun guy. (fungi)

D.O.S. #41 What do you call a reaction that produces heat? a.Exothermic b.Endothermic c.Enthalpic d.Intrinsic

Joke of the Day My doctor doesnt believe in anesthesia Hes propane (pro-pain)

D.O.S. #42 - P What is the centripetal acceleration of a bucket moving in a 5 m circular path with a velocity of 10 m/s? Where a c = v 2 r a.0.5 m/s 2 b.2 m/s 2 c.20 m/s 2 d.50 m/s 2

D.O.S. #42 - C If there are 12 dozen pencils in a gross how many individual pencils are there in 1 gross? a.1 b.12 c.13 d.144

Joke of the Day Gravity is a Law.. . Law Breakers will be brought down

D.O.S. #43 Products of photosynthesis are: a.Glucose and oxygen b.Water and carbon dioxide c.Oxygen and nitrogen d.Glucose and nitrogen

Halloween Joke Why didnt the skeleton go skydiving? He didnt have the guts to do it

D.O.S. #44 Plants and animals are dependent on some bacteria because these bacteria a.Help recycle simple nutrients to the soil b.Get energy from fermentation rather than respiration c.Are able to make their own food by using energy from sunlight d.Are engineered to remove hazardous wastes from the environment

Joke of the Day Two antennas met on a roof, fell in love and got married. The ceremony wasnt much, but the reception was excellent.

Congrats JV Football Go Varsity BEAT the BOBCATS

Good Luck at Regional Cross Country

HAPPY BIRTHDAY Kori Hessler (Saturday)

D.O.S. #45 Which atomic structures have the same number of protons, but a different number of neutrons? a.ions b.isotopes c.molecules d.none of the above

Joke of the Day What are the dullest elements? Bohrium and Boron

Way to Go Cross Country Cobra Girls Cross Country placed 4 th as a team Cobra Boys Cross Country placed 11 th as a team. Will Maraggia placed 14 th with a time of 17:12 and Katlyn Strauss placed 11 th with a time of 12:42. Congrats to Courtney High who placed 3 rd with a time of 11:54 and Cassidy High who placed 10 th with a time of 12:38. Both girls will be advancing to State!

D.O.S. #46 - C TEA STARR / EOC Release Question 1 http://www.tea.state.tx.us/WorkArea/linkit.as px?LinkIdentifier=id&ItemID=2147503467 &libID=2147503461.

HAPPY BIRTHDAY Selena Capak Caitlin Ressman

Congrats Girls Basketball Victory over Schulenberg last night

Announcements TUESDAY. FFA Meetings Activity Period & 7 pm IHS Auditorium

D.O.S. #46 - P TEA STARR / EOC Release Question 1 http://www.tea.state.tx.us/WorkArea/linkit.as px?LinkIdentifier=id&ItemID=214750346 6&libID=2147503460

D.O.S. #47 2 or more substances that can be separated by physical means is called: a.Pure substance b.Mixture c.Colloid d.Compound

Joke of the Day What is the Friendliest Element? Hydrogen (hi drogen)

Physics Assignment Read Sections 4.1 thru 4.7 (pages 43 top of 53) Answer the questions along the way. Yes you need to write question and be sure answer is a complete sentence using good spelling and grammar

D.O.S. #48 When diluting hydrochloric acid for a lab simulating the stomachs digestive system you should pour a.Acid into the water b.Water into the acid c.Pour both simultaneously d.Both a. and b.

Joke of the Day The Electrician Said.. You can kill a mosquito, but you cant Kill a watt (kilowatt)

Thanks Veterans

CONGRATS 2 nd Team ALL DISTRICT Volleyball Team Darcie Moreno 1 st Team District 30AA Co-MV Setter Makayla Lenamon McKenna Zacek - 1 st Team All District 30AA Courtney High 5 th place at State Cross Country. Cassidy High 35 th place Football way to end the season with a win against the Sharks

DOS #49 Which scientist discovered the antibiotic penicillin? a.Einstein b.Goodall c.Fleming d.Newton

Joke of the Day Why did the chicken cross the road? Isaac Newtons First Law: Chickens at rest tend to stay at rest. Chickens in motion tend to cross the road. Isaac Newtons Second Law: It was pushed on the road with a force equal to its mass times acceleration. Isaac Newtons Third Law: It was pushed on the road by another chicken, which then went the opposite direction from the road. Isaac Newtons Fourth Law: It was attracted to a chicken on the other side of the road.

D.O.S. #50 - P The formula for speed (velocity) is? a.d x t b.d / t c.F x d d.F / d

D.O.S. #50 - C Chicken noodle soup is an example of: a.An element b.A heterogeneous mixture c.A homogenous mixture d.A compound

D. O. S. Checkpoint #2 Questions 26 - 50 TOMORROW Wednesday 10/27

Thought for the Day umph The difference between try and triumph is a little umph.

Your Attitude is a Little Thing That Makes a BIG DIFFERENCE

D.O.S. #51 Which scientist discovered electrons using the Plum Pudding Model and a cathode ray tube? a.Bohr b.Thomson c.Dalton d.Schrdinger

Joke of the Day What did the barrel racer do with her horse? Rhodium

D.O.S. #52 This scientist devised the Atomic Theory a.J. Dalton b.D. Pavlov c.S. Lothman d.A. Einstein

HAPPY BIRTHDAY Oscar Garcia (Sunday)

JUNIORS Bring your non-perishable food items to my room Between Nov. 19 Dec. 7 Class with the most goods collected receives an Ice Cream Party Courtesy of Student Council

D.O.S. #53 - P A student throws a tennis ball with a mass of 5.7 x 10 -2 kg into the air. What is the downward force on the ball due to gravity? (where F = ma and a g = 9.8 m/s 2 ) a.9.8 N b.0.56 N c.0.17 N d.0.057 N

D.O.S. #53 Which scientists used cathode ray tubes to prove the presence of protons and electrons, respectively? a.Bohr and Rutherford b.Goldstein and Thomson c.Bohr and Thomson d.Schroedinger and Goldstein

Joke of the Day What do you get when you cross a snake with a physicist? A Bohr (Boa) Constrictor

GO BASKETBALL Girls at East Bernard Boys at Boling

D.O.S. #54 - P What organelle does bacteria lack that is the housing unit for DNA? a.Flagella b.Golgi Apparatus c.Nucleus d.Lysosome

D.O.S. #54 - C Mosely improved upon the original arrangement of the periodic table as developed by Mendeleev. How did Mosely construct his version? a.Alphabetically b.By atomic mass c.By atomic number d.By year of discovery

Joke of the Day What did the scientist say when he found two new isotopes of helium???? HeHe

Amaze Your Family & Friends with Thanksgiving Science http://www.scienceoffcenter.org/science/202 -fork-balancing-an-avoid-on-thanksgiving- science-experiment-

D.O.S. #55 What are the charges of an oxygen atom and its nucleus, respectively? a. 0, +8 b. -2, +8 c. +8, 0 d.+16, -2

Joke of the Day How would Sherlock Holmes have organized the Periodic Table? Element TREE (elementary), my Dear Watson

HAPPY BIRTHDAY Luke Smith

Go Basketball Boys Varsity vs. Waelder at home Girls at Shiner St. Paul

Canned Food Drive Help the needy Items critically needed at this time include: canned goods, boxed dinners, pasta, pasta sauce, baby cereal, and baby food Help your class win an ice cream party Deliver cans by Fri., Dec. 7 Ms. Rockstrom - sophomores Ms. Hunt juniors (rock) We are currently 2 nd Mrs. Griffith - seniors

D.O.S. #56 - Chem Which of these is the naturally occurring isotope of Uranium? a.U 234 b.U 236 c.U 238 d.U 239

D.O.S. #56-P If Santa and his reindeer travel from the North Pole to Vanderbilt (a distance of 5,000 miles) in 10 hours. What is their velocity? (v = d/t) a.50,000 mph b.50,000 mph south c.500 mph d.500 mph south

Joke of the Day What do you call a swim team made up of all girls named Jennifer? Hydro-Jens (hydrogens)

D.O.S. #57 Define precipitate (from a chemistry perspective) a.Insoluble product or by-product of a chemical reaction b.A solvent/solute mixture c.Rain d.None of the above

Joke of the Day What is a thespians favorite element? Actinium

D.O.S. #58 Which branch of science combines chemistry and biology? a.Scientology b.Physiology c.Medicine d.Biochemistry

Joke of the Day Hydrogen and Oxygen are in a restaurant having supper when Gold walks in. Hydrogen yells out Au, Get Out of Here!

*** More News *** Boys. 1 st in Bloomington Tourney Will Maraggia. MVP Jay Rubio. All-Tournament Team Evan Gregg All-Tournament Statician Girls 5 th in Cobra Tourney

D.O.S. #59 - P A person taking antibiotics benefits from eating yogurt that contains live and active bacterial cultures because the bacteria a.Release enzymes that prevent the reproduction of viruses b.May aid antibiotics by eating harmful bacteria in the human digestive tract c.May restore the normal community of bacteria living in human digestive track d.Are a major source of dietary fiber, which helps provide energy needed to fight infection

D.O.S. #59 - C Thanks to the work of Marie and Pierre Curie and their associates, radioactive materials have found a place in life saving treatments. Which isotope is used to destroy cancer cells? a.Americium 231 b.Carbon 14 c.Xenon 133 d.Cobalt 60

Joke of the Day What did Godzilla say when he ate the nuclear power plant? EXPLOSIVE FLAVOR EXPLOSIVE FLAVOR

HAPPY BIRTHDAY Marco Chavarria

Great Job Theatre and Art Theatre Matthew Bellanger - director, Chazidi Zambrano stage manager and techie, Tristan Garrison techie Alejandro Garza the phantom techie Artists Shelby Martin, D J Hart

D.O.S. #60 Rank the following radioactive rays from strongest to weakest a.alpha, beta, gamma b.gamma, beta, alpha c.beta, gamma, alpha d.beta, alpha, gamma

Joke of the Day Old musicians never die, they just de- compose

D.O.S. #61 - P When a rock is suspended in air, it weighs 2.25 N. In water it weighs 1.8 N. When the rock is suspended in glycerin it weighs 1.72 N. Which statement is true? a.Water exerts a greater buoyant force on the rock than glycerin b.Glycerin exerts a greater buoyant force on the rock than water c.The buoyant force exerted on the rock in water and glycerin and water are the same d.None of the above are correct

D.O.S. #61 Chem What is a helium nuclei called in nuclear chemistry? a.Beta particle b.Positron c.Gamma ray d.Alpha particle

Thought for the Day Success Comes in Cans. I Can You Can We Can Everybody Can

HAPPY BIRTHDAY Celia Grymes

D.O.S. #62 - P If sample D is more basic than sample A, but less basic than sample C which is a valid conclusion about the pH of sample D? a.pH is less than 2.4 b.pH is greater than 5.6 c.pH is between 2.4 and 11.9 d.pH is between 2.4 and 5.6 SamplepH A2.4 B11.9 C5.6 D

D.O.S. #62 - C What type of energy is stored in a candy bar? a.Radiant Energy b.Chemical Energy c.Kinetic Energy d.Mechanical Energy

Joke of the Day A horse can be ___________ to water, but you cannot make him drink Lead (Pb)

WELCOME Mr. Mark Baker Donor Recruiter Consultant South Texas Blood & Tissue Center

*** Final Results *** Student Council Can Drive: FRESHMEN: 1,584 SOPHOMORES: 640 JUNIORS: 579 SENIORS: 244 doing good for needy families in Jackson County with 3,047 total cans with 3,047 total cans

Bully Plays Cast & Crew

Follow up on STBTC Visit Red Cord Program for high school seniors Volunteer opportunities resume support Chemistry blood & tissue typing, checking for diseases, mini-physical tests, Physics centrifuge for separating 3 components of whole blood, bloodmobile in motion, refrigeration Mrs. Drstata

D.O.S. #63 Donating blood provides which of the following life saving components of whole blood and their purpose a.Red blood cells to carry oxygen to tissues and organs b.Platelets that provide for clotting to control bleeding c.Plasma helps sustain blood pressure, deliver proteins & enzymes d.All of the above

Joke of the Day What is Santas favorite element? HoHoHo (Holmium) (submitted by Ben Rogers 4 th and Ashton Brogger 1st)

Canned Food Delivery

Outstanding Band Students All Region Band Chazidy Zambrano Marco Chavarria Advanced from Regionals to Area in ATSSB all-state band auditions Marco Chavarria

D.O.S. #64 South Texas Nuclear is an example of producing energy from nuclear _______ a.Fusion b.Fission c.Confusion d.None of the above

Joke of the Day Did you hear about the nuclear physicist who went fission? He caught 4 red fish and a flounder (fishin)

D.O.S. #65 - C The time it takes for half the amount of a radioactive material to undergo decay a.Millennium b.Half-life c.Millisecond d.Half-years

D.O.S. #65 - P During a test of vehicle safety standards, four different vehicles were driven at a test wall at a velocity of 35 km/h. Which one most likely hit the wall with the greatest force? a.A bicycle b.A motorcycle c.A two-door sports car d.A four-door SUV

Joke of the Day I'd like to make a chemistry joke right about now... ..but all the good ones Argon :)

FAREWELL BEN We will miss you! Good Luck

Christmas Cheer for Needy Families

D.O.S. #66 - P A 144 gram baseball traveling with a velocity of 45 m/sec has the same momentum * as a 675 gram football traveling at a velocity of: a.9.6 m/sec b.43.7 m/sec c.65 m/sec d.45 m/sec * Momentum = m x v

D.O.S. #66 - C Element X has two known naturally occurring isotopes. The mass and relative abundance of each isotope are shown below What is the average atomic mass of Element X to the nearest hundredth of an atomic mass unit? Record your answer 79.91 Relative AbundanceMass (amu) 50.57%78.92 49.43%80.92

Joke of the Day My date last night was boron me. so iodine alone tonight (contributed by Hannah Gabrysch and Vina Nguyen)

D.O.S. #67 Which liquid has the highest viscosity? Substance Flow Rate (cm/sec) a. Vegetable Oil15.0 cm/sec b. Isopropyl Alcohol32.4 cm/sec c. Corn Syrup0.73 cm/sec d. Mineral Oil1.19 cm/sec

Joke of the Day SCIENCE in the NEWS *** Astronomers were excited this week at having isolated a brief sound which occurred immediately before the Big Bang. Apparently, that sound was "uh oh."

Moment of Silence Let us remember the students, teachers, counselor, and principal of Sandy Hook Elementary

HAPPY BIRTHDAY Raven Gulledge

D.O.S. #68 - P DNA carries instructions for making: a.Photosynthesis b.Proteins c.Replicated cells d.Offspring

D.O.S. #68 - C Which balanced nuclear equation represents the neutron bombardment of Plutonium to create Lanthium and Rubidium? a. 1 0 n + 239 94 Pu 145 57 La + 92 37 Rb + 1 0 n b. 1 0 n + 239 94 Pu 145 57 La + 92 37 Rb + 2 1 0 n c. 1 0 n + 239 94 Pu 145 57 La + 92 37 Rb + 3 1 0 n d. 1 0 n + 239 94 Pu 145 57 La + 92 37 Rb + 4 1 0 n

Thought for the Day Lets have a positive week and not have any electron clouds hanging over our heads

D.O.S. #69 - P What would be the pressure exerted by a 55. kg woman standing on one foot in stiletto heels with diameter of 0.75 cm? a.1200 N b.225 N c.73 N d.41 N w = mgP = Fg = 9.8 m/s 2 A

D.O.S. #69 - PoT What would be the volume fluid rate of a storm water drainage ditch flowing at 2.0 m/s through a 0.91 m diameter culvert pipe? a.1.3 m 3 / s b.1.8 m 3 / s c.2.2 m 3 / s d.5.7 m 3 / s (Where V = Av)

D.O.S. #69 - C Transition metals, noble gases, metalloids, and non-metals are examples of a.Periods of Elements b.States of Matter c.Element Families d.None of the Above

Joke of the Day What should a chemist do who has become flabby? Fermium Up

DECEMBER BIRTHDAYS 4 - Marco Chavarria 6 - Celia Grymes 17 - Raven Gulledge 23 - Colton Nagel and Devin Osburn 26 - Cade Peterek 30 - Jeffrey Koch

Test Taking Reminder 1.Take a deep breath and exhale 2.Push the frontal lobes of your brain together to engage thinking 3.In case of panic or brain freeze, repeat steps #1 and #2.

D.O.S. #70 Refer to the periodic table for the following: Elements in which group on the periodic table are least likely to form chemical bonds? a.Noble Gases - Group 18 (far right) b.Alkali Metals - Group 1 (far left) c.Transition Metals Groups 3 -12 (middle) d.Halogens Group 17 (right)

Joke of the Day Who has chlorine, gold, and sulfur? Santa ClAuS

Happy Holidays and Blessings to All of Your

HAPPY BIRTHDAY Holly Pavlicek - 4 Jade Trowbridge - Today

Joke of the Day 120 Ah (230) The Element of Surprise! Contributed by Josiah Williams

HAPPY BIRTHDAY Madison Garza Evan Gregg

Joke of the Day What is the dieters element? Nobellium (no belly)

D. O. S. Checkpoint #3 TODAY Questions 51 70 ** Physics & Principles of Tech - Ignore Question 10 ** ** Chemistry Ignore Question 9 **

Joke of the Day Did you hear about the microbiologist that was not a good swimmer? His DNA was messed up and he almost drowned in his own gene pool

Joke of the Day Why does hamburger have lower energy than steak? Because it is in ground state

JANUARY BIRTHDAYS Holly Pavlicek 4 Jade Trowbridge 7 Madison Garza & Evan Gregg 8 Logan Robinson 13 Miguel Ramirez 17 Alex Biggs 18 Randy Bitterly 21 Savannah Cisneros 23 Leah Bullock & Jordan Branum 24 Shelby Martin - 29

HAPPY BIRTHDAY Randy Bitterly Monday

D.O.S. #71 If Baby New Year weighs 8 pounds and 6 ounces on earth, how much will he weigh on the Moon? a.8 pounds and 6 ounces b.Less than 8 pounds and 6 ounces c.More than 8 pounds and 6 ounces d.16 pounds and 12 ounces

Joke of the Day What is a music lovers favorite element? Cd (Cadmium)

D.O.S. #72 - P The following are examples of abiotic factors in an ecosystem except for: a.temperature b.weather c.bacteria d.soil

D.O.S. #72 - C Nickel is one of the transition metals. Because of its ability to lose electrons it is very conductive. If a nickel atom loses 2 electrons its charge will be a.1 + b.2 + c.1 - d.2 -

HAPPY BIRTHDAY Savannah Cisneros

Joke of the Day I was going to make a joke about sodium and hydrogen.. . But NaH From Holly Pavlicek, A J Rojas, and && ????

HAPPY BIRTHDAY Leah Bullock Jordan Branum

Congrats, Shelby. Good Luck at Houston Livestock Show

Football ALL-DISTRICT

Boys Basketball - Varsity

Girls Varsity Basketball

Houston Art Show Advancers Shelby Martin in Painting Lauren Ramon in Sculpture

UIL Results - Shiner Shiner UIL Invitational Meet last Thursday evening:* Accounting: Courtney High 6 th Calculator Applications: McKenna Zacek 5 th in 12 th grade, Jordon Nagel 1 st in 10 th grade, 2 nd overall, Audrey Cate 2 nd in 10 th grade, 6 th overall, the three of them along with Kayla Weixelman were 2 nd place team Computer Applications: Kayley Smith 1 st, Brittany Berger 6 th Current Issues and Events: Austin Sappington 6 th Feature Writing: Lauren Ramon 3 rd News Writing: Dianna Charron 4 th Mathematics: Audrey Cate 3 rd in 10 th grade, James Adams 2 nd in 9 th grade, Cassidy High 3 rd in 9 th grade, Kate Crawford 4 th in 9 th grade

UIL Results Shiner (cont.) Number Sense: Colleen Fellers 3 rd in 10 th grade, Ashley Pattillo 6 th in 10 th grade Prose Interpretation: Ethan Smith 4 th Extemporaneous Persuasive Speaking: Ethan Smith 4 th Ready Writing: Jessie Peterson 1 st Science: James Adams 1 st in 9 th grade, Maritsa Chavarria 2 nd in 9 th grade, Jessie Peterson 3 rd in 10 th grade, Travis Alexander 5 th in 10 th grade Social Studies: Austin Sappington, Sydney Pattillo, April Jungbauer and Colleen Fellers were 2 nd place team Spelling & Vocabulary: Jordan Williams 1 st, Landry Mikulec 5 th, the two of them along with Matthew Bellanger and Chazidi Zambrano were 1 st place team

UIL Results - Calhoun Congratulations to the CX Debate team of Holly Pavlicek and Ethan Smith for placing 2 nd in the Calhoun Debate Tournament last Saturday. They were undefeated in all 4 rounds of the debate. ****** Leah Bullock and her partner Sara Adams won 2 of their 4 rounds. Kim Morris and partner Austin Sappington scored a win as well. Thanks to Kevin Holdgraf for pinch-hitting on a CX Debate team at the last minute, and never participating before and also doing poetry rounds. He and Brittany Gregg won 2 out of their 4 rounds, one of those against last years state champion school of Boling.

D.O.S. #73 Except for helium, a full orbital of valence electrons equals a.2 b.4 c.6 d.8

Joke of the Day Are you made of copper and tellerium? Because you are very CuTe Contributed by Caitlin Ressman, Melissa Harms, Amasty Harms, and David Franz

HAPPY BIRTHDAY Shelby Martin

D.O.S. #74 The elements that make the best semiconductors for computers, phones, etc. are the - a.Metals b.Metalloids c.Non-metals d.Rare earth metals

Joke of the Day Dont listen to an atom. they make up everything Contributed by Adam (Atom) J Rosas

D.O.S. #75 Which element has the greater atomic (molar) mass? a.Tin b.Xenon c.Mendelevium d.Osmium

Joke of the Day The Cation Exclaimed Im positive that a free electron was stripped off a me. Youve gotta keep your ion em.

Houston Livestock Show Winners Gold Lauren Ramon Red Jordin Jones, Halley Longstreet, & Shelby Martin White Randy Bitterly, Selena Capak, Madison Gloyna, Katie Grantland

SENIORS Scholarship and Financial Aid Meeting TONIGHT at 6:00 pm in Library

D.O.S. #76 Calculate the dissolving rate of 5 grams of sugar in 300 ml of water in grams per second if it takes 2 minutes to dissolve a.0.04 g/sec b.2.5 g/sec c.0.016 g/sec d.60 g/sec

Joke of the Day Famous physicist Werner Heisenberg was pulled over by a policeman.. The officer asked him if he knew how fast he was going. Heisenberg replied, No - I dont know how fast I was going, but I am pretty sure I know where I am.

All District Volleyball

HAPPY BIRTHDAY Hunter Foreman (on Sunday)

D.O.S. #77 - P Parthenogenesis: a type of asexual reproduction in which an organism is produced from an unfertilized egg A female spring peeper frog produces 200 eggs through parthenogenesis. If all the eggs hatch, they will produce a.50 females and 150 males b.100 females and 100 males c.150 females and 50 males d.200 females and 0 males

D.O.S. #77 - C What is the electron configuration for sulfur? a.1s 2 2s 2 2p 6 3s 2 3p 4 b.1s 2 2s 2 2p 2 3s 2 3p 8 c.1s 2 2s 2 2p 4 3s 2 3p 6 d.1s 2 2s 2 3s 2 2p 6 3p 4

Joke of the Day What did the maitre d' say when oxygen, hydrogen, sulfur, sodium, and phosphorous walked into his restaurant? OH SNaP!

Yoakum Powerlifting Meet Boys Powerlifting Team Placed first 114s Jesus Rios 1 st place Bradley McGill 3 rd place 123s Kayden Kurtz 6 th place 132s Teton Thedford 2 nd place Rhett Musser 5 th place

Boys Powerlifting - Yoakum 148s Daniel Santillan 9 th place 165s Marco Chavarria 3 rd place Kevin Holdgraf 10 th place 181s Eli Milner 2 nd place Jesse Chavarria 6 th place

198s Jordan Branum 3 rd place Dustin Hempel 4th place Sean Bastain 9 th place 220s Travis Alexander 2 nd place Brady Vickery 8 th place 242s Mason Davis 2 nd place SHWs Levi Perry 5 th place

Yoakum Results - Girls Maryssa Alvarado 4 th place Cerinity Venglar 5 th place Katriena Shaw 6 th place Amasty Harms 6 th place Haley Branum 7 th place

D.O.S. #78 - P GROUND FRESH DAILY LEAN NATURAL GROUND BEEF 85/15 This product may contain bacteria that can cause illness if not handled and cooked properly Store raw meat in freezer or fridge Wash hands, utensils, and cutting boards thoroughly after use Cook meat thoroughly Refrigerate leftovers immediately Based on the information on the label shown to the left, illness- causing bacteria can survive and multiply only a. on cutting board surfaces b.for short periods of time c.inside a freezer d.within a specific temperature range

D.O.S. #78 - C Which elements have five valence electrons? a.Those in Group V b.Those in Group X c.Those in Group XV d.Those in all three of these Groups

Joke of the Day Are you made of beryllium, gold, and titanium? Because you are BeAuTi-ful Contributed by Logan Robinson

Welcome Kayla Nelson

D.O.S. #79 A circle graph would best communicate a conclusion about an investigation involving: a.Proportions by mass of three metals in an alloy b.Amounts of heat released by three chemical reactions c.Amounts of force required to accelerate three different masses d.Electrical conductivity of three salt solutions

Joke of the Day What did one ion say to the other? Ive got my ion you (eye on)

HAPPY BIRTHDAY Brandon Garcia

D.O.S. #80 Water is called a polar molecule because: a.Water molecules can be positively charged and negatively charged b.Water is known as the universal solvent c.Water molecules have a partial positive end and a partial negative end d.Sugar crystals easily dissolve in water

Joke of the Day Death Row Dummy

Way to Go CX Debaters State Bound Holly Pavlicek & Ethan Smith 1 st in District Leah Bullock& Sara Adams 2 nd in District

Golden Cobra Band Way to Go Solo and Ensemble Headed to State are. Brass Choir Woodwind Choir Soloists Division I rating Marco Chavarria Trumpet, Brock Werckle Trumpet, Jazmin Barns - Baritone

Headed to State Band Carson Popp Bubba Garcia Oscar Garcia Hunter Goyen Marco Chavarria Ashley Pattillo Brianna HendryRay Henry Jace Pfuhl Matthew Bellanger Cassie LuhnBrian Landry Hunter EndressBrendon Miller Jazmin BarnesCerenity Venglar Dee Bee JoinesSerina Salazar Kadie StindtCeleste Tellez Sydney Pattillo Chazidy Zambrano Marissa HartfieldAudrey Cate

Students who will be taking Dual-Credit courses for the 2013-2014 school year will need to attend a MANDATORY Orientation meeting hosted by Victoria College TONIGHT Feb. 11 th at 6:00 pm in the high school library. At least one parent and their student must attend.

D.O.S. #81 The most reactive family of elements with an oxidation number of 1+ is: a.Alkali Earth Metals b.Rare Earth Metals c.Alkali Metals d.Transition Metals

Joke of the Day Why are the Country Music team of Brooks and Dunn no longer together? They dissolved their partnership (or they split like an atom)

HAPPY BIRTHDAY Crisna Baez

NOTE to ALL WHO LEAVE NOTEBOOKS in ROOM Take your notebooks with you or put them on bookcases so custodians can spray with disinfectant.

D.O.S. #82 Carbon dioxide, hydrochloric acid, and sulfur trioxide are major air pollutants. These compounds are formed as byproducts from the combustion of fossil fuels. The bonds between these elements are called _________ and form by ________________ a.Ionic, transferring electrons b.Ionic, sharing electrons c.Covalent, transferring electrons d.Covalent, sharing electrons

Joke of the Day Why did Carbon and Hydrogen get married? They bonded the moment they met

D.O.S. #83 A plant has a change in its DNA that makes it more resistant to a species of harmful bacteria. What will most likely happen as a result of this mutation? a.The plant will not survive long enough to reproduce b.The species of harmful bacteria will become extinct c.Over time the number of harmful bacteria will increase d.Over time the number of resistant plants will increase

Joke of the Day When Archimedes got up out of the bath and noticed how much water had spilled out of the tub, he said, "I've got to get out of displace!"

D.O.S. #84 - P It takes a power lifter 4.0 seconds to lift a barbell 1.5 meters. He exerts a force on the barbell of 1500 newtons. About how much power does the power lifter use to lift the barbell? (where P = W/t and W = F x d) a.375 watts b.563 watts c.2250 watts d.9000 watts

D.O.S. #84 - C See TEA sample Chemistry EOC questions. Problem 6 on page 4 http://www.tea.state.tx.us/student.assessment/staar/testquestions/

Joke for Valentines Day An electron is courting an atom and keeps orbiting around the atom to get it's attention. Exasperated from all the attention, the atom asks, "Why do you persist in running these circles around me?" In reply the electron says, "I'm strangely attracted to you."

Two 4 Thursday Joke You'd be great as my Valentine .I'm attracted to you, so please don't repel me

HAPPY BIRTHDAY Kayden Kurtz Treats in Honor of all our February Birthday People Hunter Foreman (2/3), Brandon Garcia (2/7), Crisna Baez (2/12), and Austin Sappington (2/17)

D.O.S. #85 Refer to the periodic table for the following: Elements in the far left groups (Groups 1 & 2) on the periodic table are most likely to form chemical (ionic) bonds with which group? a.Noble Gases - Group 18 (far right) b.Metalloids parts of Groups 13, 14, 15, & 16 (left) c.Transition Metals Groups 3 -12 (middle) d.Halogens Group 17 (right)

Joke of the Day Why did the white bear dissolve in water? Because it was a polar bear

HAPPY BIRTHDAY Austin Sappington (Sunday 2/17)

Needville UIL Results Accounting: April Jungbauer 2 nd Calculator Applications: Jordon Nagel 2 nd, together with Audrey Cate and Morgan Gabrysch 2 nd place team Computer Science (written): Luke Dvorak 4 th Feature Writing: Vina Nguyen 3 rd News Writing: Dianna Charron 2 nd, Haley Wood 3 rd, Vina Nguyen 4 th Headline Writing: Haley Wood 5 th Literary Criticism: Kyle Fikes 2 nd, Lorrin Kuntz 5 th Ready Writing: Jessie Peterson 4 th Social Studies: Austin Sappington 4 th, together with April Jungbauer and Colleen Fellers 2 nd place team Spelling & Vocabulary: Jordan Williams 1 st, Audrey Cate 2 nd, Jace Pfuhl 4 th, together with Chazidi Zambrano 1 st place team

PowerLifting Industrial Meet IHS Boys. First Place 114s Jesus Rios 1 st place- also Outstanding Lifter for the lite platform 114-165 Kayden Kurtz 4 th place Bradley McGill 5 th place 123s Trenton Thedford 1 st place 132s Daniel Santillan 5 th place Rhett Musser 165s Marco Chavarria 2 nd place Ethan Brown 4 th place Kevin Holdgraf 181s Jordan Branum 1 st place Eli Milner 2 nd Place Jesse Chavarria 4 th place

Boys PowerLifting 198s Shawn Bastian 4 th place Devon DelosSantos 7 th place 220s Dustin Hempel 1 st place Travis Alexander 2 nd place Brady Vickery 5 th place 242s Mason Davis 1 st place SHW Levi Perry

Girls Powerlifting Industrial Meet IHS Girls 6 th Place 123s Haley Branum 3 rd Place 181s Maryssa Alvarado, 3 rd Place Cerenity Venglar, 4 th Place Amasty Harms, 5 th Place

D.O.S. #86 Which question cannot be answered by experimentation using a scientific approach? a.Does hot water freeze faster than cold water? b.Will wearing a copper bracelet reduce arthritis symptoms? c.Do roses smell better than carnations? d.Will popcorn kernels soaked in water produce a greater volume of popped corn than dry kernels?

Joke of the Day What is a cation afraid of? A dogion

D.O.S. #87 Cohesion is the tendency of water molecules to: a.Push apart b.Stick together c.Stick to other polar substances d.None of the above

Joke of the Day Why was a mole of oxygen excited when she walked out of the bar? She got Avogadro's number!

D.O.S. #88 - P Why is a ship with a hollow steel hull able to float in seawater? a.Ship displaces a volume of seawater that weighs more than the ship b.Density of steel is greater than the density of seawater c.Buoyant force on the ship is less than the weight of the ship d.Buoyant force on the ship is less than the weight of the seawater displaced by the ship

D.O.S. #88 - C What is an example of a diatomic molecule? a.Na b.Silver c.SO 4 d.Cl 2

Joke of the Day What is a cans favorite sport? Tin-is (tennis)

Congrats Girls Golf Hannah Gabrysch tied for First place individual 1st place team

D.O.S. #89 Lightening has an enormous amount of energy since it is composed of plasma. The state of matter called plasma exists in which temperature range? a.Less than 100 o C b.Over 100,000 o C c.Between 100 o C to 1,000 o C d.In any of these

Joke of the Day What is the Funniest Element? He-He-Helium Contributed by Amnasty Harms

D.O.S. #90 CaCl 2 is a salt used for making cheese, de- icing highways, drilling mud additive, waste water treatment, and many other everyday applications. What is the preferred formula for this binary ionic compound? a.Calcium Dichlorine b.Monocalcium Dichloride c.Calcium Chloride d.Calcium Cholorodide

D.O.S. Checkpoint #4 Monday, February 25 th Questions 71 - 90

Joke of the Day Sign on the Electric Companys Marquee We would be delighted if you pay your bill. However, if you don't, you will be De-lighted

End of DOS to date in 2012 - 2013

Thought for the Day You dont really understand something until you can explain it to your grandmother -- Albert Einstein

Joke of the Day Q: What's the difference between a mathematician and an experimentalist? A: A mathematician thinks that two points are enough to define a straight line while an experimentalist wants more data.

Thought of the Day Success Takes Purpose, Planning, Practice, and Patience

Joke of the Day How Physics Saves Lives

Joke of the Day The Native American Tale of the Pythagorean Theory

Joke of the Day How do you know a banana is sunburned? It peels

Joke of the Day The Scientists and God

Joke of the Day What are a tailors favorite elements? Sodium (sew) Mendelevium

Joke of the Day What is Mickey Mouses favorite element? Plutonium

Joke of the Day What do you get if you chop an avocado into 6.022 x 10 23 pieces? Guaca-MOLE

Joke of the Day The Learning Pill

Joke of the Day Some say chemists are the salt of the earth, others would disagree

Joke for the Day Someone stole the letter between Q and S. How do you know? Argon (R gone)

Joke of the Day What is Dorothy and Totos Favorite Element? Osmium (Oz)

Joke for the Day What is a friends favorite element? Paladium

Joke of the Day What did the Food Critic say? Iodine at only the best restaurants

Joke of the Day Why didnt the skeleton go sky diving? He didnt have the guts to do it

Joke of the Day If Estonia, Latvia, and Lithuania are the Baltic States Then Germany, Poland, Sweden, and Finland must be the COBALTIC states

Joke of the Day What does DNA stand for? National Dyslexics Association

Joke of the Day What is PoO 8 and why is it important? To Polon-ate plants and flowers whoops - it really would be called polonium octoxide if it could exist

Joke of the Day Chemists can be Pb to H 2 O, but you cant make them drink Lead

Joke of the Day What did the bug say when he hit the windshield of a car? I will never have the guts to do that again

Joke of the Day What element do moles love to study in chemistry? Molybdenum

D.O.S. Checkpoint #4 Questions 66 85 TOMORROW Tues., 2/14

Joke of the Day Why do chemists like nitrates so much? They are cheaper than day rates

Joke of the Day Anyone know any jokes about sodium? Na

D.O.S. #94 The numbers in the chemical formula 2Na(CO 3 ) represent: a.Moles, Superscript b.Coefficient, Subscript c.Coefficient, Moles d.Superscript, Subscript

Joke of the Day What is a bakers favorite element? Fluorine (flour-ine)

Joke of the Day What are a merchants favorite elements? Selenium or Sulfur

D.O.S. #95 Which of the following coefficients balance this equation? ___ Fe + ____ O 2 ___ Fe 2 O 3 a.4, 3, 2 b.2, 3, 1 c.1, 3, 2 d.2, 0.6, 1

D.O.S. #96 Which statement about solution chemistry is true? a.Solvents and solutes are the same b.Solutes dissolve solvents c.Solvents dissolve solutes d.None of the above

Joke of the Day Why is organic chemistry so hard? It takes alkynes of studying

Thought for the Day

Joke of the Day watt A wise man knows whats watt

Joke of the Day Two chemists walk into a restaurant. Being clever, the first orders some H 2 O. The second one says, That sounds good. Ill have some H 2 O too. The Second Chemist Died HOW? H 2 O too = H 2 O 2 (hydrogen peroxide)

D.O.S. #100 How much power is exerted by a 50 N boy running 100 meters in 5 seconds? (where P = W/t and W = F x d) a.2.5 watts b.550 watts c.1000 watts d.25,000 watts

D.O.S. #101 Which of the factors listed are limiting factors in an ecosystem? a.Food and water b.Space c.Shelter d.All of the above

Joke of the Day What is the funniest element in prison? Silicon (Silly convict)

Joke of the Day If sound does not travel in a vacuum, then why are vacuums so noisy???????

D.O.S. #103 Thermal pollution occurs when human activities cause the temperature of lakes and rivers to rise. Why are fish most likely to be harmed by long-term thermal pollution of the water in which they live? a.The solubility of oxygen in the water decreases b.The solubility of carbon dioxide in the water increases c.The solubility of fertilizers, such as potassium chloride will decrease in the water d.The solubility of quartz crystals will increase in the water

Thought for the Day Teachers open the door, but you must enter the door by yourself -- Ancient Chinese Proverb

D.O.S. #104 The solubility of which compound is impacted the most by increasing temperature? a. KBr b. NaClO 3 c. NaCl d. KNO 3 Grams solute/100 g H 2 O

D.O.S. Checkpoint #5 Questions 86 105 TOMORROW Wed., 4/11

D.O.S. #105 Why does a carbonated drink stay bubbly before the cap is removed from the bottle? a.Because the liquid temperature is warmer than the surrounding conditions, which keeps the carbonated gas in solution b.Thats what carbonation means. Duh. c.Since the liquid molecules weigh more they keep the bonded gases in solution d.Because pressure remains higher inside a closed container, which increases the solubility of the carbon dioxide gas

Joke of the Day What is the friendliest acid? HI - hydroiodic

Joke of the Day Evan asked the cat sitting next to him if he had any Sodium Hydrobromite And he said, NaBrO

Joke of the Day How do you eat DNA spaghetti? With a Replication Fork

Joke of the Day Its amino world without chemists Translation: Its a mean old world without chemists

YOU DID IT! TAKS is OVER For some it may be your last FOREVER

Joke of the Day What did the momma volcano say to the baby volcano? I lava you

The following slides are duplicates or unused stuff from 2011 2012

Given: Sugar2 cups 432 grams Rolled Oats3 cups 258 grams If the volume ratio of the sugar to the rolled oats (oatmeal) measured is 2 to 3, what is the mass ratio expressed in whole numbers when measured in grams? a.2 to 3 b.5 to 3 c.3 to 2 d.3 to 5 D.O.S. #98

Tongue-in-Cheek Thought for the Day 6 Phases of a Project 1.Enthusiasm 2.Disillusionment 3.Panic 4.Search for the Guilty 5.Punishment of the Innocent 6.Praise and Honors for the Non-Participants Lets keep the 6 Steps of Scientific Method instead

Thought of the Day Winners find ways to make things work. Losers find excuses as to why things dont work.

D.O.S. #105 The solubility of which compound is impacted the least by increasing temperature? a. KBr b. NaClO 3 c. NaCl d. KNO 3 Grams solute/100 g H 2 O

Joke of the Day Miss Jones 2 nd Grade Class

Joke of the Day What kind of shoes do robbers where? Sneakers

Joke for the Day An Engineer, a Physicist, and a Mathematician are Staying in a Hotel.

Thought of the Day Curious people ask questions Determined people find answers

Joke of the Day What is the Funniest Element? He-He-Helium

Joke of the Day What do you do with dead chemists and chemistry teachers? Barium

D.O.S. #34 C, P If a person is 6-3 tall, how tall are they in meters? a.191 m b.1.91 m c.16.0 m d.1.60 m

Joke of the Day What do doctors do with sick people?

Joke of the Day A proton, an electron, and a neutron went to dinner.

D.O.S. #43 The scientist who devised the first periodic table was a.Democritus b.Dalton c.Mosely d.Mendeleev

Joke of the Day If a tailors favorite element is Sodium, what is a tailors second favorite element?

D.O.S. #46 How do you determine the number of neutrons in an atom? a.Equals the number of protons b.Equals the number of electrons c.Atomic mass minus number of protons d.Atomic mass divided by number of protons

D.O.S. #47 Which ions carry a negative charge? a.Anions b.Cations c.Protons d.Electron

Joke of the Day What did Carbon-14 wear when it got cold outside?

D.O.S. #51 The nucleus of an atom contains which 2 subatomic particles? a.Neutrons and protons b.Neutrons and electrons c.Protons and electrons d.None of these

D.O.S. #56 How many groups are there on the periodic table? a.1 b.7 c.12 d.18

Joke of the Day What did the Lone Ranger say to his horse? HIOAg

Joke of the Day What is a ship captains least favorite element? Zinc

Joke of the Day CSI Vanderbilt ~ The body of a man was discovered in the gym today.

Joke of the Day Why dont scientists make great pet owners?

D.O.S. #71 IPC & PTEC Which of the following are examples of corrosive materials? a.Battery Acid pH 2 b.Baking Soda pH 9 c.Glycerin pH 7.3 d.Gasoline pH 6.8

Thought for the Day

D.O.S. #74 The Noble Gases follow which rule: a.Octet b.Newtonian c.Algebraic d.Playground

Thought for the Day

D.O.S. #85 How many neutrons does mercury have? a.12 b.80 c.201 d.121

D.O.S. #87 Which of these are states of matter? a.Gas b.Liquid c.Solid d.All of These

D.O.S. #89 - Chem How many valence electrons does Carbon have? a.1 b.2 c.4 d.8

D.O.S. #91 The formula for speed (velocity) is? a.d x t b.d / t c.F x d d.F / d

Joke of the Day Mathematician: Pi r squared Baker: No! Pies are round, Cakes are square! HAPPY DAY 3.14.2011

D.O.S. #96 Research shows taking aspirin or medicines containing salicylate compounds during recovery from a viral infection (such as the flu) can cause a potentially deadly disease of the brain and liver called Reyes Syndrome. Which over the counter medicine is considered unsafe while recovering from a viral infection? a.Multisymptom cold medicine with Doxylamine Succinate, Dextromethrophan Hydrobomide, Acetaminophen, Pseudoephedrine Hydrochloride b.Motion sickness tablet containing dimenhydrinate c.Chewable antacid tablet with Famotidine, Calcium Carbonate, and Magnesium Hydroxide d.Medicine for upset stomach with active ingredient Bismuth Subsalicylate

D.O.S. #97 Which type of bonds do metals and non- metals form? a.Metallic b.Ionic c.Covalent d.Multiple

D.O.S. #98 Tuberculosis is a contagious disease that usually occurs as an infection of the lungs. Symptoms include persistent cough, fever, fatigue, night sweats, and unexplained weight loss. TB is most likely transmitted by a.Mosquito bites b.Blood transfusions c.Through the air d.Through the water

D.O.S. #100 One gram of protein has an energy value of about 4 Calories. An athlete wants to increase the percentage of Calories from protein in his diet. Which one of these would have the greatest percentage of Calories from protein? a.An energy bar with 19 g of protein and 210 Calories total b.An energy bar with 14 g of protein and 200 Calories total c.An energy bar with 16 g of protein and 230 Calories total d.An energy bar with 20 g of protein and 280 Calories total

D.O.S. #38 The amount of a substance that contains 6.022 x 10 23 particles (one mole) of that substance was named in honor of which famous scientist? a.Green b.Newton c.Avogadro d.Fleming

D.O.S. #105 A gardener lifts a bag filled with compost. If the bag has a mass of 36 kilograms, what is the minimum amount of work the gardener must do to lift the bag to a height of 0.5 meter? a.36.5 J b.72.0 J c.176.4 J d.352.8 J

Joke of the Day What did one electron say to the other who was having a bad day? Dont get excited. Youll work yourself into a state.

D.O.S. #109 Which is a measure of energy? a.Joule b.Watt c.Neither A or B d.Both A and B

D.O.S. #113 April 22 commemorates: a.Earth Day across the world b.US Naturalist and Sierra Club Founder John Muirs birthday who helped preserve the California redwood trees c.Proud Science Nerd & Teacher Miss Hunts birthday d.All of the above

Joke of the Day What do you get when you cross an ester of plastic with a hare? The Ester Bunny

NOTE The following DOS questions are in the pool to be used. They have not been used in current school year as of yet

Given: Sugar2 cups 432 grams Rolled Oats3 cups 258 grams If the volume ratio of the sugar to the rolled oats (oatmeal) measured is 2 to 3, what is the mass ratio expressed in whole numbers when measured in grams? a.2 to 3 b.5 to 3 c.3 to 2 d.3 to 5 D.O.S. #32

D.O.S. #96 The pH of acid rain - a.Less than 5.6 b.7.0 c.Greater than 12.9 d.Between 5.6 12.9

D.O.S. #98 What is the formula to convert mass to weight, where g is acceleration due to gravity? a.F = m + g b.F = m - g c.F = m/g d.F = mg

D.O.S. #102 Golden-cheeked warblers are an endangered species of bird that nests only in Central Texas. They nest in ash juniper trees and feed on spiders and insects. Brown- headed cowbirds sometimes lay eggs in the warblers nests. Blue jays are known to eat young birds including golden-cheeked warblers. The survival of golden-cheeked warblers would be threatened by an increase in the a.Spread of a virus fatal to blue jays b.Predation of cowbirds by red-tailed hawks c.Clearing of ash juniper trees for farm and ranch land d.Local spider population due to mild winters

D.O.S. #104 What is the primary name for the ionic compound CaCl 2 ? a.Dichlorine calcium b.Chlorinated calcium c.Calcium dichloride d.Calcium chloride

D.O.S. #107 Adhesion is the tendency of water molecules to: a.Push apart b.Stick together c.Stick to other polar substances d.None of the above

D.O.S. #108 Histamine is a polar chemical that can lead to an allergic response when it is released by the bodys immune system. Antihistamines are drugs that can help prevent allergic reactions associated with histamines. Antihistamines molecules are similar to those of histamines in size, shape, and polarity. How does an antihistamine most likely prevent the effects of histamine? a.Increases diffusion of histamine across membranes of target cells b.Binds to histamine receptors on the surfaces of target cells c.Causes target cells to increase production of histamine receptors d.Blocks histamine receptors found in the cytoplasm of target cells

D.O.S. #109 Students traveling to South Padre Island for Spring Break can average 130 k/h. If the distance from IHS to their hotel on the beach is 585 k, how long will it take them? a.4.5 hours b.2 hours c.6 hours d.They should stay home with mom and dad and not go to South Padre Island for Spring Break

D.O.S. #110 Which is a key concept of an ecosystem? a.Energy can be recycled b.All food chains and food webs begin with carnivores c.Feeding relationships can be shown in a food web, which consists of interconnected food chains d.Arrows in food chains and food web diagrams always point from the consumer to the organism that is consumed

D.O.S. #111 What does the heavy bold line on the right hand side of the periodic table indicate? a.Separates radioactive and non- radioactive elements b.Separates metals and non-metal elements c.Separates acids and bases d.What bold line?

D.O.S. #114 Which of these body systems is directly responsible for maintaining the health and fighting off disease? a.Immune system b.Muscular system c.Skeletal system d.Excretory system

D.O.S. #115 Hydrogen and nitrogen gas react in a sealed container kept at a constant temperature as shown in the equation below. The pressure in the container is less at the end of the reaction than at the beginning. 3H 2 (g) + N 2 (g) 2NH 3 (g) What is the most likely reason the pressure decreased? a.Fewer atoms at the end of the reaction than the beginning b.Fewer molecules at the end of the reaction than the beginning c.Mass of reactants is less than mass of products d.Volume of reactants is less than the volume of products

D.O.S. #116 Metabolism is defined as: a.Fat burners b.Poisoning of the body from excess minerals and vitamins c.Chemical reactions that take place in an organism d.Spread of disease within a plant or animal community

D.O.S. #118 How much power is exerted by a 50 N boy running 100 meters in 5 seconds? (where P = W/t and W = F x d) a.2.5 watts b.550 watts c.1000 watts d.25,000 watts

D.O.S. #120 A vacuum is: a.A mechanical device used to redistribute dust b.A region with no matter in it c.A sealed room d.None of the above

D.O.S. #121 An object will move when the net force on it is: a.A factor of 2 greater than gravity b.Equal to zero c.Equal to force of gravity d.Greater than zero

D.O.S. #124 A student starts with a heat source in each solution. He removes heat probe and then measures changes in temperature for various solutions at 5 minute intervals. What is wrong with his data collection? a.There is no control b.Solutions are too different c.Should have measured to nearest 0.1 degree d.Nothing Solu- tion Init Temp Temp After 5 mins Temp After 10 mins H2OH2O60 o C55 o C50 o C KI70 o C65 o C AgNO 3 80 o C72 o C65 o C

D.O.S. #125 When water freezes, partial charges line up (positive to negative), forming a crystalline structure. This pattern causes molecules to spread slightly apart. What is the result? a.Snow flakes form and travel slowly to earth b.Ice will be less dense than water, so it floats c.Ice clings to the edges of surfaces such as lakes, so it floats d.Ice and snow are good solvents for antifreeze

D.O.S. #126 Total energy in a system is? a.Potential energy plus kinetic energy b.Potential energy minus kinetic energy c.Potential energy divided by kinetic energy d.Potential energy multiplied by kinetic energy

D.O.S. #127 A molecule of DNA is shaped like: a.An oval b.A pair of dumb bells c.A twisted ladder d.A set of stairs

D.O.S. #130 The efficiency of a real machine: a.Cannot exceed 100% b.Is calculated as a ratio of force output to force input c.Is measured in watts d.Is the same as mechanical advantage

Last D.O.S. test of the school year (covers questions #118 - #131)

d.o.s. daily oral science warm-ups * most taken from cpo science student taks practice books

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