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15
×
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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Check
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Check
15
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If you left all of these objects in the same room overnight and then checked their temperatures the next day, what would you notice?
They would all be a similar temperature that would match the room temperature.
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15
×
What is density?
The amount of mass in a given space or volume
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banana
Go to last place!
Oops!
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rocket
Go to first place!
Okay!
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gift
Win 15 points!
Okay!
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thief
Give points!
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25
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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Okay!
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10
×
What type of heat transfer is this image showing?
Radiation
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10
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How is the heat transferring in this image?
The heat is transferring from the warmer water to the colder ice.
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×
eraser
Reset score!
Oops!
×
shark
Other team loses 10 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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lifesaver
Give 25 points!
Oops!
15
×
What makes a substance a conductor?
It conducts (transfers) energy easily. It quickly looses its heat or cold.
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20
×
Explain in your own words how thermal energy transfers.
Teacher check- Thermal energy transfers between objects of different temperatures. Heat always moves from a warmer medium to a cooler medium.
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5
×
Which layer in this bottle has the least density?
The top layer
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15
×
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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Check
Okay!
Check
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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thief
Give points!
5
10
15
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25
×
shark
Other team loses 25 points!
Okay!
×
gift
Win 5 points!
Okay!
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baam
Lose 15 points!
Oops!
5
×
Which layer in this bottle has the most density?
The bottom layer
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Check
Okay!
Check
5
×
Give three examples of conductors
Teacher check- metal, metal spoon, flag pole
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Okay!
Check
×
Restart
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