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Team 2
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15
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Why does the liquid in this bottle separate into layers?
The liquids are different densities. The liquid with the most density is on the bottom. The liquid with the least density is on the top.
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banana
Go to last place!
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star
Double points!
Okay!
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gift
Win 5 points!
Okay!
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baam
Lose 20 points!
Oops!
15
×
What makes a substance an insulator?
It does not conduct (transfer) energy easily. It keeps hot matter hot or cool matter cool.
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15
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What happens to the molecules in a substance when they are heated?
The molecules move faster and get further apart. The substance will expand.
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15
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What happens to the molecules in a substance when they are cooled?
The molecules move slower and come closer together. The substance will contract.
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15
×
What is density?
The amount of mass in a given space or volume
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10
×
Why is the food coloring fully mixed in the hot glass?
In the hot water the molecules are moving faster so the food coloring mixes more quickly.
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monster
Reset all scores!
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
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thief
Give points!
5
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25
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shark
Other team loses 25 points!
Okay!
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fairy
Take points!
5
10
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25
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banana
Go to last place!
Oops!
5
×
Heat always transfers from _____________ substances to ______________ substances.
warmer; cooler
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5
×
Which layer in this bottle has the least density?
The top layer
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5
×
Give three examples of conductors
Teacher check- metal, metal spoon, flag pole
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15
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What happens to a substance when you heat it up?
It expands because the molecules move faster and create more space between them.
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10
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What type of heat transfer is this image showing?
Convection
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15
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What happens to a substance when you cool it down?
It contracts because the molecules move slower and come closer together.
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10
×
Why is the food coloring not mixing very much in the cold water glass?
In the cold water the molecules are moving slower so the food coloring mixes slowly.
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