3rd Grade Unit 2: Forms of Energy

What is energy? 

• Energy you can, see. 

• Energy of motion.

• Energy that causes change or does work. 

• Energy related to temperature. 

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The movement of bouncing a ball is what kind of energy.?

• Sound Energy

• Light Energy

• Mechanical Energy

• Thermal Energy

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What is force?

• A force is a push or pull that causes an object to move, stop, or change direction.​

• Work occurs when movement or change happens.​

• Are devices or tools that they make work easier for us. 

• Energy is the ability to cause change or do work.​

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Musical instruments produce what kind of energy? 

• Mechanical Energy

• Thermal Energy

• Light Energy

• Sound Energy

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Vibrations from a tuning fork can be heard because the travel in waves. 

• Sound

• Light

• Mechanical

• Heat

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The Sun produces what 2 forms of energy? 

• Heat, Light 

• Light, Sound 

• Heat, Mechanical 

• Heat, Sound 

Light travels in a straight line, bounces off shiny surfaces and passes through clear liquids.

• True

• False

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What type of energy does a thermometer measure?

• Light Energy

• Mechanical Energy

• Sound Energy

• Heat Energy

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What type of energy bounces off a mirror and allows you to see your reflection?  

• Mechanical Energy

• Light Energy

• Sound Energy

• Thermal Energy

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When you add or take away heat energy from an object it causes . 

• Light Energy

• Changes in the States of Matter.

• Sound Energy

• Mechanical Energy

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