6.8A Potential & Kinetic Energy Retest

What is the best example of an object with only potential energy?

• A boat moving through the water

• A boulder resting on top of a cliff

• A ball being thrown across a field

• Water being poured out of a pitcher

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NGSS.MS-PS3-2

Which of the following best represents potential energy?

• Air leaking rapidly from a car tire

• A marble sitting at the top of a ramp

• Heat radiating from a large forest fire

• Water flowing through a rubber hose

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NGSS.MS-PS3-2

As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?

• Potential and kinetic energy both increase

• Potential increases and kinetic decreases

• Potential decreased and kinetic increases

• Potential and kinetic energy both decrease

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

Students are investigating changes from potential to kinetic energy by rolling a marble down a ramp made by propping up a plastic ruler on a book and letting it roll down. Which of the following will change the potential energy the marble starts with?

• Switching the plastic ruler with a wooden one

• Adding more books beneath the ruler

• Pushing the marble down the ramp

• Replace the marble with a rock

Tags

NGSS.MS-PS3-2

Which of these best shows a change from potential to kinetic energy?

• Water flowing over a tall cliff

• A rubber band being stretched

• Electricity making a bulb light up

• A stone lying on top of a mountain

Tags

NGSS.MS-PS3-4

A truck is parked at the bottom of a hill. It moves from the bottom of a hill and parks at the top. Compared to when it was parked at the bottom of the hill at its new position, the truck now has -

• more potential energy.

• more kinetic energy.

• less potential energy.

• less kinetic energy.

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NGSS.MS-PS2-4

The illustration shows a rollercoaster and indicates four different positions the car might be at as it moves along the track. At which point in the rollercoaster's journey is its potential energy the greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

Potential energy and kinetic energy are similar in that both -

• are demonstrated when an object is at rest.

• depend on the height of an object above the ground.

• can each be converted into the other form.

• will produce an increase in the mass of an object.

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

At which position does the pendulum have the most kinetic energy?

• 1

• 2

• 3

• 4

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Roller coasters are popular attractions at amusement parks. A cart on a roller coaster approaches the highest point on the coaster. As the cart reaches the top, it slows down.

Which statement best describes the energy of the roller coaster as it slows down while traveling on the top of the coaster?

• The cart gains both kinetic and potential energy.

• The cart gains kinetic energy and loses potential energy.

• The cart loses kinetic energy and gains potential energy.

• The cart loses both kinetic and potential energy.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5