Law of Conservation of Energy

Energy can be created.

• True
• False

Energy cannot be destroyed.

• True 
• False

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NGSS.MS-PS3-4

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When something is dropped, what type of energy transfer takes place?

• Kinetic -> Potential
• Gravitational Potential -> Kinetic -> Sound
• Electrical -> Chemical
• Heat -> Nuclear

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Imagine dropping a basketball. When would it have the most gravitational potential energy?

• When it is closest to the ground
• When it is at the highest point
• When it is halfway down
• It has the same amount of gravitational PE at all points

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NGSS.MS-PS3-2

Food has _______ potential energy that our bodies transform into kinetic energy.

• Elastic
• Nuclear 
• Gravitational
• Chemical

Energy is the ability _____________.

• to do work
• to power things
• to move objects
• to turn on a light

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

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-PS3-4

NGSS.MS-PS3-5

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

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NGSS.HS-PS3-3

NGSS.HS-PS3-4

Potential or kinetic?
Stretched bow and arrow?

• kinetic
• potential

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NGSS.MS-PS3-2

Potential or kinetic?
Running?

• potential
• kinetic

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NGSS.MS-PS3-5