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15
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What is the name of the energy store when objects are up high?
Gravitational potential energy
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15
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By what process does heat energy move through a vacuum?
Radiation
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15
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When you burn coal, the chemical energy is transferred as what type of energy?
Thermal + Light
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15
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How do you calculate the amount of "work done" when doing a deadlift?
Work done (J) = Force (N) x distance (m)
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15
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What is the name of the movement energy store?
Kinetic energy
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15
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Name 3 sources of renewable energy
wind, solar, wave, tidal, geothermal, gravitational potential energy
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15
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Power is the rate of work done. [True/false]
True
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15
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What is the equation to calculate elastic potential energy?
E = 1/2 k e2
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lifesaver
Give 15 points!
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gold
Win 50 points!
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gift
Win 20 points!
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lifesaver
Give 10 points!
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15
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Name three sources of energy which are fossil fuels
Oil, Coal and Natural Gas
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15
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By what process does heat energy move through a solid?
Conduction
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15
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You're curling dumbells. You transfer 110 J of energy (work done) in 2 seconds. What is your power?
55 W [ power = work done / time ]
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15
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What type of energy is store in a battery?
Chemical Energy
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trap
No points!
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seesaw
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fairy
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thief
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banana
Go to last place!
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star
Double points!
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fairy
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25
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thief
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15
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What is the force used by the brakes of a bike, to transfer kinetic energy into thermal energy?
Friction.
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