Energy Types: Compare and Contrast

Which of the following scenarios best illustrates the conversion of gravitational potential energy into kinetic energy?

• A stretched rubber band being released.

• A book falling off a shelf.

• A battery powering a flashlight.

• A car accelerating on a flat road.

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A student drops a ball from a height. As the ball falls, which type of energy transformation is primarily occurring?

• Chemical potential energy to kinetic energy.

• Elastic potential energy to kinetic energy.

• Gravitational potential energy to kinetic energy.

• Kinetic energy to gravitational potential energy.

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Consider a compressed spring and a moving bicycle. Which statement correctly compares the energies involved?

• Both have kinetic energy.

• The spring has elastic potential energy, while the bicycle has kinetic energy.

• The spring has gravitational potential energy, while the bicycle has chemical potential energy.

• Both have chemical potential energy.

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Which of the following best describes the energy transformation in a bow and arrow when the bowstring is released?

• Elastic potential energy to kinetic energy.

• Chemical potential energy to gravitational potential energy.

• Gravitational potential energy to elastic potential energy.

• Kinetic energy to chemical potential energy.

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A roller coaster is at the top of a hill. As it descends, what energy transformation takes place?

• Chemical potential energy to kinetic energy.

• Elastic potential energy to gravitational potential energy.

• Gravitational potential energy to kinetic energy.

• Kinetic energy to elastic potential energy.

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Which of the following examples involves chemical potential energy being converted into kinetic energy?

• A rock rolling down a hill.

• A stretched rubber band snapping back.

• A car engine burning fuel to move.

• A pendulum swinging.

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How does the energy transformation in a battery-powered toy car differ from that in a wind-up toy car?

• Both convert chemical potential energy to kinetic energy.

• The battery-powered car converts chemical potential energy to kinetic energy, while the wind-up car converts elastic potential energy to kinetic energy.

• Both convert gravitational potential energy to kinetic energy.

• The battery-powered car converts elastic potential energy to kinetic energy, while the wind-up car converts chemical potential energy to kinetic energy.

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Which scenario best demonstrates the conversion of elastic potential energy into kinetic energy?

• A skier going down a slope.

• A compressed spring releasing a toy.

• A battery lighting up a bulb.

• A book sliding off a table.

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A pendulum is released from a certain height. At the lowest point of its swing, what type of energy is at its maximum?

• Gravitational potential energy.

• Elastic potential energy.

• Chemical potential energy.

• Kinetic energy.

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Which of the following best describes the energy transformation in a hydroelectric dam?

• Gravitational potential energy to kinetic energy.

• Elastic potential energy to chemical potential energy.

• Chemical potential energy to kinetic energy.

• Kinetic energy to gravitational potential energy.

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