crct question the _____________is a process in which scientists follow steps to answer questions and...
TRANSCRIPT
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Monday, August 13th
CRCT QuestionThe _____________is a process in which scientists
follow steps to answer questions and solve problems
a. Conclusionb. Variables c. Hypothesisd. Scientific method
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Corny Joke of the Day
What month do trees dislike the most?
Sep-timber
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Goal Sheet Please place
in front of your binder!
Keep your goals in mind throughout the quarter.
“Our lives are not determined by what happens to us but by how we react to what happens, not by what life brings to us, but by the attitude we
bring to life. A positive attitude causes a chain reaction of positive thoughts,
events, and outcomes. It is a catalyst, a spark
that creates extraordinary results.”
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“ALL ABOUT ME”
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Project #1 You must make an advertisement on 5 safety
rules! Must include: • Colorful pictures • 5 safety rules • Engaging words
Due Wednesday, August 15th Remember advertisements are
short and sweet!
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RubricScience Safety Project Rubric
Classwork Grade5 Science Safety Rules (15 pts each)
________/75Organization/presentation
________/10Easy to read
________/10Colorful pictures
________/5
Total:_____________________/100
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IMPORTANT UPDATE
Quiz changed to:
WEDNESDAY
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Lab Safety Challenge #1
T. Trimpe 2008 http://sciencespot.net/
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What’s wrong? Identify 6 different safety concerns shown in the picture below.
Image: http://morrisonlabs.com/lab_safety.htm
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The answers are …
Image: http://morrisonlabs.com/lab_safety.htm
Don’t eat or drink while in the lab.
Don’t fool around during a lab.
Always wear safety goggles when doing
an experiment
Always point test tubes and other items away from yourself and
others when heating.
Keep hair and other flammable objects away from flames.
Don’t leave a flame unattended.
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Lab Safety Challenge #2
T. Trimpe 2008 http://sciencespot.net/
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What’s wrong? Identify 9 different safety concerns shown in the picture below.
Image: http://morrisonlabs.com/lab_safety.htm
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The answers are …
Image: http://morrisonlabs.com/lab_safety.htm
Always wear safety goggles during a lab.
Don’t leave materials laying
on the floor.
Clean up spills immediately
Don’t heat closed containers.
Keep your lab area neat and clean.
Unplug equipment when not in use.
Don’t place lab materials near the edge of the table.
Keep papers and other flammable objects away
from flames.
Don’t smell directly from a container - WAFT.
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Science Safety
T. Trimpe 2008 http://sciencespot.net/
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Can you unscramble all the phrases below?Hint: They are all related to safety.
1. R A W E O L G E G S G
2. F W T A, not F W F H I
3. S H A W O R U Y N H A S D
4. L O F L W O I E C R D I T O N S
5. O D T N’ O L F O R U O N A D
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The answers are ...
1. R A W E O L G E G S G
2. F W T A, not F W F H I
3. S H A W N H A S D
4. L O F L W O I E C R D I T O N S
5. O D T N’ O L F O R U O N A D
WEAR GOGGLES
WAFT, not WHIFF
WASH YOUR HANDS
FOLLOW DIRECTIONS
DON’T FOOL AROUND
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Today’s Goal
Variables
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Group DiscoveryPart 1
Read the first two paragraphs
Answer questions 1-7 You have 10 minutes
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Group DiscoveryPart 2
Try questions 1-13
You have 10 minutes
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Group DiscoveryPart 3
Try questions 1-13
You have 10 minutes
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Independent Variables
• What is tested by the scientist
• What is changed by the scientist
• Also known as manipulated variables.
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Dependent Variable
• What is observed• What is measured• The effect caused by the
independent variable.• The data• Also called responding variables
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Controlled Variables
• Things that could change but don’t
• Kept constant (the same) by scientists
• These allow for a fair test.
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Science Experiments #2
T. Trimpe 2008 http://sciencespot.net/
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Read the information below and then answer the questions.
SpongeBob loves to grow flowers for his pal Sandy, who loves big, colorful flowers. He found a new brand of seeds coated with a special “booster” fertilizer that said it would produce huge flowers. He planted 5 of the new seeds in one container and 5 of the old brand of seeds in another container. He placed both containers on a sunny windowsill and watered them every day. He measured the diameter of each flower, which is shown in the chart.
1. Which group was the control?
2. What is the independent variable?
3. What is the dependent variable?
4. What is the average diameter for each group?
Old Seeds 10 cm 12 cm 14 cm 6 cm 8 cm
New Seeds 8 cm 14 cm 10 cm 12 cm 16 cm
5. Which seeds are the best for big flowers?
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Read the information below and then answer the questions.
SpongeBob loves to grow flowers for his pal Sandy, who loves big, colorful flowers. He found a new brand of seeds coated with a special “booster” fertilizer that said it would produce huge flowers. He planted 5 of the new seeds in one container and 5 of the old brand of seeds in another container. He placed both containers on a sunny windowsill and watered them every day. He measured the diameter of each flower, which is shown in the chart.
1. Which group was the control?
2. What is the independent variable?
3. What is the dependent variable?
4. What is the average diameter for each group?
Old Seeds 10 cm 12 cm 14 cm 6 cm 8 cm
New Seeds 8 cm 14 cm 10 cm 12 cm 16 cm
5. Which seeds are the best for big flowers?
The seeds without the booster fertilizer
Booster fertilizer on the new seeds
Size or diameter of the flower
Old = 10 cm, New = 12 cm
New seeds w/ the booster
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Quiz • Science safety
rules • Scientific
Method• Hypothesis
and data • Variables
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HomeworkThe Simpsons
Variables Review Due WEDNESDAY