Law of Conservation of Energy

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.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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Energy can be created.

• True
• False

Energy cannot be destroyed.

• True 
• False

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NGSS.MS-PS3-5

When you plug in an iron, electrical energy is transformed into ______ energy

• sound
• mechanical
• thermal (heat)
• radiant

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What would happen if the electrical wire was cut?

• nothing, the light would still get energy
• the light would go out because the circuit is incomplete
• the battery will die
• the battery will explode

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Energy _______ be created or destroyed. 

• Shouldn't
• Will
• Can Not 
• Can 

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NGSS.MS-PS3-5

What happens to energy during a transformation?

•  It is Conserved
•  It is Wasted 
•  It Runs Out 
•  It is Gained

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