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- 1. Multiple Choice
Which of the following is true?
Energy is found only in living objects
Energy is a fuel
Energy is a substance or fluid
Energy is associated only with movement
Any store of energy may be transferred into another store
- 2. Multiple Choice
Which of the following is not a store of energy?
friction
magnetic
electrostatic
nuclear
- 3. Multiple Choice
Which of the following is false?
Energy is the product of an activity
Energy cannot be created or destroyed
When gravity pulls an object towards the ground, energy is transferred mechanically
A car's engine produces useful kinetic energy and wasted thermal energy
- 4. Multiple Choice
As the cyclist accelerates, the _______________________ energy store in the cyclist’s body decreases and the _______________________ energy of the cyclist increases.
chemical; kinetic
gravitational potential; kinetic
elastic potential; kinetic
kinetic; gravitational potential
kinetic; chemical
- 5. Multiple Choice
As the drone accelerates upwards its __________________________ energy increases and its __________________________ energy increases.The __________________________ energy store of the battery decreases.
kinetic ; gravitational potential ; chemical
chemical ; gravitational potential ; kinetic
kinetic ; gravitational potential ; nuclear
kinetic ; elastic potential ; chemical
- 6. Multiple Choice
A ball is thrown up in the air with 100 J of kinetic energy. How much gravitational potential energy does the ball have stored at the peak of its throw?
100 J
50 J
25 J
10 J
- 7. Multiple Choice
Which of the following is an example of a system producing useful energy?
car: kinetic
iPhone: thermal
car: thermal
lightbulb: thermal
- 8. Multiple Choice
Which of the following is an example of a mechanical transfer of energy?
A battery powering a light bulb.
A candle generating heat
A candle generating light
A ball falling towards the Earth
- 9. Multiple Choice
If a falling ball has, at one point in its fall, 20 J of gravitational potential energy and 60 J of kinetic energy, how much kinetic energy will it have when it strikes the Earth?
80 J
60 J
20 J
40 J
- 10. Multiple Choice
If a roller-coaster cart moving towards the top of a track has 40 J of kinetic energy and 30 J of gravitational potential energy, how much gravitational potential energy will it have at the top of the track?
70 J
40 J
30 J
10 J
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