Kinetic Energy

Which of the following correctly states the law of conservation of energy?

• Energy can be created and destroyed.
• Energy can be created but not destroyed.
• Energy cannot be created or destroyed.
• Energy cannot be created but it can be destroyed.

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NGSS.MS-PS3-2

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Describe the energy in this picture.

• Potential
• Kinetic
• Potential and Kinetic
• The slinky has no energy.

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Describe the energy in this picture.

• Gravitational Potential
• Kinetic
• Elastic Potential
• No Energy

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NGSS.MS-PS3-1

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Describe the energy transformation in this picture.

• Potential to Kinetic
• Kinetic to Potential
• No transformation - it's all potential.
• No transformation - it's all kinetic.

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What happens to energy?

• It is created.
• It is destroyed.
• It is transformed.
• Nothing changes.

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At the top of its swing a pendulum has zero kinetic energy. How much potential energy does it have at the bottom of its swing?

• maximum

• 1/2 as much

• 1/4 as much

• zero

A book is pushed off the edge of a table. At what point during the fall will the potential energy and kinetic energy be equal?

• 1/4 of the way down

• 1/2 of the way down

• 3/4 of the way down

• right before it hits the ground

When you ride a roller coaster you go up and down many hills. When do you have the maximum kinetic energy?

• at the top of each hill

• as you go down each hill

• at the bottom of each hill

• as you go up each hill

Ty lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?

• 12,789 Joules

• 24,500 Joules

• 4,500 Joules

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NGSS.MS-PS3-2

• W
• X
• Y
• Z

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NGSS.MS-PS3-1

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