Velocity vs Energy

That which is needed to do work

• Decrease

• Increase

• Speed

• Energy

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Rate of motion

• Energy

• Speed

• Increase

• Decrease

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

A change in position or location

• Decrease

• Energy

• Movement

• Speed

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To become less

• Speed

• Increase

• Energy

• Decrease

To become more

• Decrease

• Movement

• Increase

• Energy

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

A moving object will have more energy when the object–

• moves faster

• changes direction

• loses mass

• stops moving

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NGSS.MS-PS3-1

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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-PS2-2

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We observe a moving object. When we observe the object moving more slowly, we know that it–

• will move in a new direction.

• has more gravity pulling on it.

• can’t go back to where it started.

• has less energy than it had before.

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NGSS.MS-PS3-1

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A student has some short and tall ramps and a toy car. She decides to use them to create an investigation. She wants to know which ramp will give the car the most energy. What evidence should she look for? Explain.

• She should see which care moves the fastest down a ramp. The type of car makes a difference.

• She should use one ramp and test many cars. Car design is most important.

• She should see which ramp makes the car moves the fastest. The faster the car the more energy it has.

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NGSS.MS-PS2-2

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