Principle of Conservation of Energy

What is energy?

• The ability to do work.

• The force used to do work.

• The rate of work done.

• The duration of work done.

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NGSS.MS-PS3-5

What is the S.I. unit of energy?

• kilogram

• Newton

• Joule

• bar

When an object goes up higher, what is the form of energy that increases?

• kinetic energy

• gravitational potential energy

• elastic energy

• light energy

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NGSS.MS-PS3-2

On which floor of a building will a person have the highest gravitational potential energy?

• 5th floor

• 10th floor

• 15th floor

• 20th floor

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NGSS.HS-PS2-4

When an object speeds up, it _____________.

• gains potential energy

• gains kinetic energy

• loses potential energy

• loses kinetic energy

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

At which position will the pendulum have the highest gravitational potential energy? (choose two answers)

• A

• B

• C

• D

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NGSS.MS-PS3-2

At which position will the pendulum has the highest kinetic energy?

• A

• B

• C

• D

At which position will the pendulum has both the gravitational potential energy and kinetic energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS3-2

When the ball goes from A to B, what energy conversion takes place?

• kinetic energy

  to

  gravitational potential energy

• gravitational potential energy

  to

  kinetic energy

• no change in the type of energy

When the ball goes from B to D, what energy conversion takes place?

• kinetic energy

  to

  gravitational potential energy

• gravitational potential energy

  to

  kinetic energy

• no change in the type of energy

Tags

NGSS.HS-PS3-2