Conservation of Energy Version 2

Energy can be created.

• True
• False

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Energy cannot be destroyed.

• True 
• False

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

• Elastic
• Nuclear 
• Gravitational
• Chemical

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Energy is the ability _____________.

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

Roller coasters slow down because their energy disappears.  

• True 
• False

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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

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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What is mechanical energy?

• It is what metal creates when heated.
• All potential and kinetic energy in a system.
• It is motion of all matter.
• Energy of momentum.

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