A lever with a mechanical advantage greater than 1 is used to ___.

increase force and change direction

At what point on a roller coaster is the gravitational potential energy (GPE) the lowest?

at the lowest point of the roller coaster

Is it possible for a ball to have both kinetic energy and potential energy at the same time? Explain.

Yes, if the ball is in motion above the ground, it has kinetic energy due to its movement and potential energy due to its height.

No, a ball can only have either kinetic or potential energy at any given time.

Yes, if the ball is at rest on the ground, it has both kinetic and potential energy.

No, once a ball starts moving, all of its energy converts to kinetic energy.

If a conductor suddenly turns on the brakes of her train and skids to a halt, where does the train’s kinetic energy go? (What causes the change and what form of energy does the kinetic energy become?)

The kinetic energy is transformed into thermal energy due to friction between the brakes and the wheels.

The kinetic energy disappears completely as the train stops.

The kinetic energy is converted into potential energy stored in the wheels.

The kinetic energy is stored as chemical energy in the train’s braking system.

Which statement best describes the law of conservation of energy?

Energy can change forms but cannot be created or destroyed.

Energy can be created and destroyed depending on the system.

Energy is always lost as heat and cannot be recovered.

Energy can only be transferred but not transformed.

A truck, a bicycle, and a skateboard are traveling at the same velocity. Compare their kinetic energies

Kinetic Energy is less than one but more than another (medium)

PS M4 Test Review, Work and Energy

Authored by Grace Paulson

Science

9th Grade

NGSS covered

Used 24+ times

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34 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Energy in the form of motion is potential energy.

true

false

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the law of conservation of energy, mechanical energy can be changed to heat energy.

true

false

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A rock at the edge of a cliff has kinetic energy because of its position.

true

false

Tags

NGSS.MS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When you put on the brakes of a bicycle, friction causes some of the mechanical energy to change to thermal energy.

true

false

Tags

NGSS.MS-PS3-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the law of conservation of energy, energy can be created or destroyed.

true

false

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Energy that is stored is kinetic energy.

true

false

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Energy stored in food you eat is chemical potential energy.

true

false

Tags

NGSS.MS-LS1-7

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PS M4 Test Review, Work and Energy

Energy in the form of motion is potential energy.

According to the law of conservation of energy, mechanical energy can be changed to heat energy.

A rock at the edge of a cliff has kinetic energy because of its position.

When you put on the brakes of a bicycle, friction causes some of the mechanical energy to change to thermal energy.

According to the law of conservation of energy, energy can be created or destroyed.

Energy that is stored is kinetic energy.

Energy stored in food you eat is chemical potential energy.

Elastic energy is the total potential and kinetic energy in a system.

Energy is measured in joules.

Compression energy is stored in a stretched rubber band.

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