8th Science Ch 4 Sect 3 (Conservation of Energy)

At which point is potential energy greatest?

• W
• X
• Y
• Z

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NGSS.MS-PS3-2

A change from one form of energy to another is called ___________.

• work
• power
• mechanical
• energy transformations

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NGSS.MS-PS3-5

NGSS.MS-PS3-4

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-4

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

• Energy cannot be created or destroyed.

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NGSS.MS-PS3-5

What kind of energy does an object possess when it's resting on top of the hill?

• Potential Energy

• Chemical Energy

• Kinetic Energy

• All of the above

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NGSS.MS-PS3-2

What force causes a roller coaster cart to slow down the most?

• friction

• weight

• gravity

• air resistance

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NGSS.HS-PS2-1

What energy transformation occurs from a light bulb? 

• Electrical energy = kinetic energy + potential energy 
• Electrical energy = electrical energy 
• Electrical energy = chemical energy 
• Electrical energy = light energy + thermal energy 

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NGSS.HS-PS3-3

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The law of energy conservation says the total energy before the change _______ the total energy after it

• is less than
• is more than
• affects
• equals

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NGSS.MS-PS3-5

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

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NGSS.MS-PS3-5

NGSS.MS-PS3-1

Which form of energy is represented in this image?

• kinetic

• thermal

• potential

• radiant

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NGSS.MS-PS3-5

NGSS.MS-PS3-1