Energy

Potential Energy is:

• The energy of motion
• always conserved
• Stored energy due to position, place, or condition 
• Stored energy

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NGSS.MS-PS3-2

If someone wants to conserve natural resources, which of these will they do

• Carpool
• Recycle
• Ride their bike to school
• Turn off lights when they leave a room

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What is an advantage to solar energy

• it pollutes
• it is gathered 24 hours a day
• it works well no matter where you are in the world
• it is renewable

If a man is pushing a wheelbarrow up a hill, describe what is occurring in terms of energy when the man is half way up the hill. 

• Decreasing Potential, Increasing Kinetic
• Increasing Potential, Decreasing Kinetic
• Increasing potential and kinetic stays about the same
• Both potential and kinetic decreasing

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A man stops his car on top of a hill, describe this scenario in terms of energy.

• High Potential Energy, no kinetic energy
• High Kinetic Energy, no potential energy
• It is impossible to tell
• PE and KE are equal

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NGSS.MS-PS3-1

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How does heat transfer

• From cold to hot
• From hot to cold
• back and forth between hot and cold

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What law states that energy cannot be created or destroyed but can only be changed from one form to another?

• law of conservation of energy
• law of conservation of matter
• law of gravity
• law of proportions

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When is the potential energy the greatest in a roller coaster?

• at the top of the second (lower) hill
• at the top of the first (highest) hill
• at the bottom of the first, (highest) hill
• at the bottom of the second (lower) hill

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NGSS.MS-PS3-2

Energy...

• is the ability to do work or cause a change
• is all the movement in the universe
• cannot be created or destroyed
• all of the above

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NGSS.MS-PS3-5

When chemical reactions occur, what type of energy is often occurring at the same time?

• Stored Mechanical
• Atomic
• Thermal
• Radiant

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