Energy Changes

What happens to the energy of the cart as it moves from point A to point B on the diagram?

• Potential energy is transformed to kinetic. energy.
• Kinetic energy is transformed to potential energy.
• Both potential energy and kinetic energy stay the same.
• Potential energy decreases and kinetic The energy stays the same.

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A person moves a ball up a ramp. Which statement describes this process?

• There is no transfer of energy or work done.
• There is a transfer of energy, and work is done.
• There is no transfer of energy, but work is done.
• There is a transfer of energy, but no work is done.

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In order for work to be done there must be two things. Which one of these is not required?

• Ramp for object
• Object must be moved a distance.
• Force applied to an object

The ability to do work or cause change is called?

• Force
• Energy
• Work
•  Motion

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NGSS.MS-PS2-2

This is the energy of motion?

• kinetic energy
• potential energy
• mechanical energy

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Which diagram models the position of a soccer ball when it has the greatest amount of gravitational potential energy?

• A
• B
• C
• D

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Which one of these doesn't influence the amount of gravitational potential energy?

•  distance to ground
• mass
• magnet strength

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NASA is testing identical miniature rockets using the same platform. Which of these describes the relationship between the rocket’s speed and its kinetic energy?

• There is no relationship between velocity and kinetic energy.
• There is a  relationship between velocity and kinetic energy.

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NGSS.MS-PS3-1

Which picture shows the greatest elastic potential energy?

• Picture 1
• Picture 2

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NGSS.MS-PS3-2

Two cars are driving down the road at the same speed. Car A has a mass of 1100 kg. Car B has a mass of 1000 Kg. Which as the greatest kinetic energy?

• Car A
• Car B
• They are the same.

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