dr. breslyn chemistry · links elements: this site is amazing. all about safety at osha: this is...
TRANSCRIPT
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Welcome to Chemistry!
Dr. BreslynChemistry
Photo from homepage.mac.com/schrier/ pyrophotography.html
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Do on the Warm-up sheet –provided.
Date: Aug 29, 2016
Objective: Describe a safe lab environment.
Copy & Complete:
Three big safety ideas: _______________
Do Now
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Monday– August 29, 2016
Today:
W-Up, Admin Stuff, Safety Activity
HW: Complete Personal Data Sheet
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A bit about me …
Undergrad: FSU (Frostburg)Masters: GWUPhD: UMD, College Park
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The more I know about you …
The better I will be able to help you succeed.
Complete the Personal Data sheet and turn in today (or tomorrow if you need more time).
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Syllabus Highlights
Notebook – include Warm-Ups!
Edline
Grading Scale
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Expectations
Respect
Side Conversations
Cell Phones
Academic Integrity
Lab Professionalism
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www.Breslyn.org
Weekly plan posted by Sunday (almost always). Homework, pages in book, PowerPoint presentations, extra notes and examples, …
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If we have a fire drill …
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Safety Considerations
What are the most important safety considerations?
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Safety Considerations
Allergies
Eyes and Contacts
Test-Tubes
Injuries
Electrical Plugs
Spills and Broken Glass
Hair
Footwear
Fire Blanket
Shutoff/ Panic Button
Eating
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Demo …
C12H22O11 (sugar) + H2SO4 (sulfuric acid) →
12 C + 11 H2O + mixture water and acid
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Why we wear goggles.
The addition of H2SO4 to sugar.
Photos from http://cwx.prenhall.com/petrucci/medialib/media_portfolio/text_images/FG23_P922-1a.JPG
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Why we wear goggles.
The H2SO4 (sulfuric acid)
has oxidized the sugar to carbon.
http://www.youtube.com/watch?v=7siZ0ON0b8I
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This stuff is serious …
From http://www.nmsu.edu/safety/news/news-items/tt-chem-lab-fire2.htm
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Safety Considerations
On the top of the card provided write:
Five Important Safety Tips
As we go through the slides write them.
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Safety Considerations
From http://www.public.asu.edu/~iangould/pics/matt7.jpg
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Safety Considerations
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Safety Considerations
www.wallpapers55.com/horses-playing/
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Safety Considerations
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Safety Considerations
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Safety Considerations
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Safety Considerations
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…
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…
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Consequences
Individual
Class
Teacher
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Draw Room
Include the following:
• Fire blanket• Fire extinguisher(s)• Exits• Eye wash station• Emergency shower• Fire alarm(s) • Waste disposal container• Emergency cut-off switch
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Safety Quiz
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On the back of your quiz …
- your last name, first name
- any allergies
- if you wear contacts
- emergency contact phone number
Write large and legible!
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Correct your Safety Quiz
Determine why you missed any question and make the correction.
Key
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Strikers …
Goggles must be on the entire time…
Hair and sleeves back …
Remove flammable materials …
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-----------------------------------
.
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Do Now
Date: Aug 30, 2016
Obj: Explain how to use evidence to support a conclusion.
Copy & Complete:
Write three sentences describing what the word “evidence” means.
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Tuesday, Aug 30, 2016
Today:
W-up, Google Forms HW, Bunsen Burner Lab
Homework: Finish Lab, Do Google Form Homework
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Google Forms and HW
Homework is always listed on www.Breslyn.org.
Go to www.Breslyn.org, click on the link for Practice with Google Forms.
Log-in with your GHS Google ID.
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Lighting Bunsen Burner - Safety
1.
2.
3.
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You want your flame to look like …
Image from http://www.ltk.mw.tu-muenchen.de/wwwlaser/AES/Flames/Flames_start.htm
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NOT …
Image from http://homepage.smc.edu/chem10/Equipment.html
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Remember …
The key is to make observations and provide evidence to support your conclusions.
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If you finish early …
Complete lab questions.
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Debriefing
What worked well?
What needs improvement?
Suggestions or questions?
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Lab Groups for Today
Stations are numbered 1 through 7.
One person is the Materials Manager & Recorder
The other person is the Reader & Time Keeper.
Both members are responsible for the collecting accurate data.
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Do Now
Date: August 31, 2016
Objs:
Identify elements and compounds. Identify metals and non-metals.
Copy & Complete:
List the four states of matter and how we abbreviate them in chemistry.
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Wednesday, August 31, 2016
Today:
W-Up, Notes & Practice, Activity
HW: Visit class website. Study Notes
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You want your flame to look like …
Image from http://www.ltk.mw.tu-muenchen.de/wwwlaser/AES/Flames/Flames_start.htm
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Red Hot Penny Demo …
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Evidence, Observations, & Theory
Observations
Evidence
Theory
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Evidence, Observations, & Theory
With your lab partner from yesterday, describe and explain the terms
• Observations
• Evidence
• Theory
Write on a sheet of paper to be collected. One paper per group. Write both names on the back of paper.
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Activity: Creating a Learning Tool
Rubric (1 point each)
• Simple, memorable notes (not textbook talk).
• A diagram that aids memory and understanding.
• Examples of the topic.
• Two multiple choice questions about the topic.
We’ll do a gallery walk prior to our quiz tomorrow!
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• Elements and Compounds
• Three states of matter.
• Metals & Nonmetals
I’ll assign your group one of the topics above.
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Be sure to …
Include a diagram where appropriate.
List properties of each item.
Give examples from the real world.
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Memory …
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Elements
Commit these elements to memory:
H – HydrogenHe – HeliumLi – LithiumBe – BerylliumB – BoronC – CarbonN – NitrogenO – OxygenF - Fluorine
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One key to memory …
Need to “rehearse” several different times for it to stick.
Short Term Long Term Memory
Example: http://www.youtube.com/watch?v=TwagFXAqE1U&feature=relatedOrhttp://www.youtube.com/watch?v=fpXfl0GTZ8U&feature=related (German)
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The Periodic Table
Create a table to organize what we know about metals, nonmetals, and metalloids.
You should have three things listed for each.
From http://web.buddyproject.org/web017/web017/images/periodic%20table.JPG
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Matter: Solid Phase
NaCl Crystal
Photo from: http://cwx.prenhall.com/petrucci/medialib/media_portfolio/text_images/FG01_06aC.JPG
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Phases of Matter
Image from http://wps.prenhall.com/wps/media/objects/602/616516/Chapter_10.html
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Reinforcing / Rehearsing
Commit these elements to memory:
H – HydrogenHe – HeliumLi – LithiumBe – BerylliumB – BoronC – CarbonN – NitrogenO – OxygenF - Fluorine
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Classifying States of Matter
What criteria are we using to classify matter as a solid, liquid, or gas?
What would be different if we didn’t know about atoms and molecules?
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Classifying Matter
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Cool Down
Commit these elements to memory:
H – HydrogenHe – HeliumLi – LithiumBe – BerylliumB – BoronC – CarbonN – NitrogenO – OxygenF - Fluorine
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One key to memory …
Need to “rehearse” several different times for it to stick.
Short Term Long Term Memory
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Question …
Which of the following is NOT made
up of atoms?
A. Heat
B. A gas
C. A cell
D. A solid
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Do Now (copy into notebook)…
Date: September 1, 2016
Objective:
Describe properties of metals & nonmetals.
Copy: Elements are also called atoms.
All elements are listed on the periodic table.
We can classify elements as metals, non-metals, and metalloids.
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Thursday, September 1, 2016
Today:
Lab: Metals, Metalloids, & Non-Metals
Homework: Finish Lab
Study For Quiz Tomorrow
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The Periodic Table
Create a table to organize what we know about metals, nonmetals, and metalloids.
You should have three things listed for each.
From http://web.buddyproject.org/web017/web017/images/periodic%20table.JPG
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Observations of Substances PD2Element Appearance Crushing Acid (HCl) CuCl2 Conducts?
A
B
C
D
E
F
G
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Observations of Substances PD:3Element Appearance Crushing Acid (HCl) CuCl2 Conducts?
A
B
C
D
E
F
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Observations of Substances PD: 4Element Appearance Crushing Acid (HCl) CuCl2 Conducts?
A
B
C
D
E
F
G
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Do Now (copy into notebook)…
Date: September 2, 2016
Objective:
Describe properties of metals & nonmetals.
Compare and contrast elements and compounds.
Complete: List three properties of metals and three properties of non-metals.
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Friday, September 2, 2016
Today:
W-Up, Review Lab, Quiz,Activity: Draw a Scientist & Reflection
Homework: Review Notes
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Observations of SubstancesElement Appearance Crushing Acid (HCl) CuCl2 Conducts?
A
B
C
D
E
F
G
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Metals Properties
•
•
•
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Non-Metals Properties
•
•
•
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Metalloids Properties
•
•
•
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Draw a Scientist
When you picture a scientist in your mind,
what do they look like?
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Draw a Scientist
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Draw a ScientistDr. B?
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Draw a Scientist
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Draw a Scientist
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Draw a ScientistDr. B?
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Draw yourself as a scientist.
How do you envision yourself as a scientist?
You will not be judged on artistic talent!
- What are you doing? - What are you wearing? - With what tools?
Add five adjectives about the type of scientist you would be.
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Draw a Scientist -- Discussion
What prevents many people from seeing themselves as scientists or someone interested in science?
What should we do?
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Why?
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Links
Elements: www.theodoregray.com
This site is amazing.
All about safety at OSHA: www.osha.gov
This is the US Dept. of Labors Occupational Safety & Heath Admin site.
Didn’t know this existed. The Montgomery County, Maryland High School Fire Science program.
http://www.montgomerycountymd.gov/mcgtmpl.asp?url=/content/firerescue/psta/fire-science/index.asp
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--- Older Content ----
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Element Song
http://www.privatehand.com/flash/elementloader.swf
Photo from: http://cwx.prenhall.com/petrucci/medialib/media_portfolio/text_images/FG01_06aC.JPG