Energy and Speed

Rate of motion

• Energy

• Speed

• Increase

• Decrease

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NGSS.MS-PS3-1

Four identical balls are rolled from the same position at the same time. The illustration shows each ball’s starting position and ending position after rolling for two seconds. Which ball had the most energy?

• Ball 1

• Ball 2

• Ball 3

• Ball 4

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NGSS.MS-PS3-1

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Two model trains are running on tracks that are lined up next to each other. The two trains are not moving at the same speed. What would cause one train to move faster than the other?

• The slower train’s cars have less mass.

• The faster train has more energy.

• The faster train has a wider track.

• The slower train has an older engine.

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NGSS.MS-PS2-1

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To become more

• Decrease

• Movement

• Increase

• Energy

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NGSS.MS-PS2-2

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When does an object have no kinetic energy?

• When it's at rest.

• When it's moving very slowly.

• When the only force that's acting on it is gravity.

• When it has no electrical charge.

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NGSS.MS-PS3-1

Which object has the most potential energy?

• A ball resting on the ground.

• A ball being thrown at 100 miles per hour.

• A ball on top of a refrigerator.

• A ball resting on the edge of a cliff.

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NGSS.MS-PS3-2

When does a yo-yo have the most potential energy?

• When it's at its highest point.

• When it's at its lowest point.

• When it's moving between its highest and lowest points.

• When it's moving at its top speed.

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NGSS.MS-PS3-2

What do potential and kinetic energy have in common?

• They're both related to density.

• They're both unrelated to size.

• They're both related to volume.

• They're both related to motion.

Which type of energy increases when you compress a spring?

• elastic potential energy

• kinetic energy

• radiant energy

• sound energy

The faster an object moves, the ________ kinetic energy it has. 

• more

• less

• none of the above

• all of the above 

Tags

NGSS.MS-PS3-1