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Team 2
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Teams
Name
Score
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15
×
What is the energy transfer when burning wood in a fire?
Chemical to thermal and light
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15
×
How does heat move in space?
By radiation
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seesaw
Swap points!
Oops!
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seesaw
Swap points!
Okay!
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gift
Win 15 points!
Okay!
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baam
Lose 5 points!
Oops!
15
×
Which type of energy is mostly wasted as heat in machines?
Thermal
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15
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What type of heat transfer do we experience from the sun?
Radiation
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thief
Give points!
5
10
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20
25
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shark
Other team loses 20 points!
Okay!
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gift
Win 15 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
What type of energy is used when lifting a book onto a shelf?
Gravitational potential
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15
×
A solar panel receives 500 J of sunlight and produces 100 J of electricity. Efficiency?
20%
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15
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Why do firefighters wear reflective suits?
To reflect radiation
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15
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What is the method of heat transfer through liquids and gases?
Convection
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15
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A microwave oven uses what type of energy to heat food?
Electromagnetic
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15
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What happens to energy that is not usefully transferred?
It is wasted, often as heat or sound
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15
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What is the energy source for geothermal power plants?
Heat from Earth's core
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trap
No points!
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rocket
Go to first place!
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fairy
Take points!
5
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15
20
25
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baam
Lose 25 points!
Oops!
15
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If a light bulb has an efficiency of 25%, how much energy is wasted if 200 J is supplied?
150 J
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15
×
What kind of energy does a stretched rubber band have?
Elastic
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