Radiation can travel through _________ and ___________
Matter and Space
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5
True or False: Heat can be used in many different ways
True
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5
Radiation can travel through _________ and ____________
Matter and empty space
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5
Explain the greenhouse effect
Radiation from sun warms ground; Ground warms air; Air moves up (convect); Glass keeps air from escaping; Cool air moves down (convect); Convec current all year
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5
When the sun warms your skin or you sit near a fire, what kind of energy do you feel?
Radiation
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5
What are examples of fossil fuels?
Coal, natural gas, oil
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5
_____________ is energy that is sent out in waves.
Radiation
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thief
Give points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
gift
Win 25 points!
Okay!
lifesaver
Give 20 points!
Oops!
seesaw
Swap points!
Oops!
shark
Other team loses 25 points!
Okay!
shark
Other team loses 15 points!
Okay!
lifesaver
Give 20 points!
Oops!
5
Fossil fuels are a source of __________
Heat
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5
___________ occurs when 2 surfaces rub together
Friction
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5
As a result of friction, ________ is produced
Heat
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5
_____________ is the transfer of heat that occurs when one thing touches another
Conduction
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seesaw
Swap points!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 15 points!
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5
When radiation waves hit your skin, it is converted into __________________
Thermal energy
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5
__________ is the transfer of thermal energy as matter moves
