Phet Energy Skatepark

Based on the information provided, could the skater gain more speed?

• No, because he has reached his maximum KE

• Yes, because he has not reached his maximum KE

• No, because he has not reached his maximum PE

• Yes, because he has reached his maximum PE

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Do you think the Skater will make it over the first hump?
(No friction on the track)

• No, because his potential energy will be converted to thermal energy

• No, because he doesn’t have enough potential energy

• Yes, because all of his potential energy will be converted to kinetic energy

• Yes, because some of his energy will be potential and some kinetic

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NGSS.MS-PS3-1

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Do you think the Skater will make it over the first hump?
(No friction on the track)

• No, because his potential energy will be converted to thermal energy

• No, because he doesn’t have enough potential energy

• Yes, because all of his potential energy will be converted to kinetic energy

• Yes, because some of his energy will be potential and some kinetic

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NGSS.MS-PS3-2

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In the next moment, the KE piece of the pie gets larger, then

• The Skater will be going faster

• The Skater will be going slower

• There is no way to tell

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NGSS.MS-PS3-1

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At which point on the roller coaster ride does a car have the least kinetic energy.

• W

• Y

• X

• Z

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NGSS.MS-PS3-1

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What is the skater's speed (even though the speedometer isn't pictured)?

• 0

• Unknown

• Above 0

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When does the ball have the greatest PE?

• 1

• 2

• 3

• 4

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NGSS.MS-PS2-4

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When energy is transformed or changed, what happens to the total amount of energy in the system?

• Stays the same

• Increases

• Decreases

• Changes to zero

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In the next moment, the KE piece of the pie gets larger, then

• The Skater is going up hill (left)

• The Skater is going down hill (right)

• There is no way to tell

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

In the next moment, the KE piece of the pie gets larger, then

• The PE part stays the same

• The PE part gets larger too

• The PE part gets smaller

• There is no way to tell

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5