# Energy Practice Test

10 Questions  I  By Scvicela
The energy covers the 7 forms of energy, kinetic and potential energy, and the law of conservation of energy.

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 1 Which of the following is a conversion from chemical energy to thermal energy?
 A. Coal is burned to boil water.
 B. Food is digested and used to regulate body temperature.
 C. Charcoal is burned in a barbeque pit.
 D. All of the above.
 2 Which of the following is the best example of increasing an object's potential energy?
 A. Rolling a bowling ball
 B. Turning on a light bulb
 C. Stretching a rubber band
 D. Dropping a pencil
 3 An object that has kinetic energy must be...
 A. Lifted above earth's surface.
 B. In motion.
 C. At rest.
 D. None of the above.
 4 Thermal energy is...
 A. Kinetic.
 B. Potential.
 C. Both kinetic and potential.
 D. Neither kinetic nor potential.
 5 Sound energy is...
 A. The energy of a compound that changes as its atoms are rearranged to form new compounds.
 B. The total energy of the particles that make up an object.
 C. The energy caused by an object's vibrations.
 D. The energy of motion.
 6 What device converts chemical energy to mechanical energy?
 A. Human
 B. Car
 C. Jet ski
 D. All of the above.
 7 As height increases, so does...
 A. Thermal energy.
 B. Mechanical energy.
 C. Kinetic energy.
 D. Potential energy.
 8 The law of _________________ of energy states that energy cannot be created or destroyed.
 A. Transformation
 B. Absorption
 C. Conservation
 D. Stability
 9 According to the law of conservation of energy, in theory, a bouncy ball should never stop bouncing. However, we know that it eventually stops. Where does the energy go.
 A. Some gets converted into sound energy and escapes into the surroundings.
 B. Some gets converted into thermal energy and escapes into the surroundings.
 C. Both A and B
 10 Energy is...
 A. When the surfaces of two objects rub against each other.
 B. The ability to do work.
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