Physical Science Unit 1 Review

What is energy?

• the ability to do work

• the ability to make things hot

• 4th graders on Halloween

• the ability to do a handstand

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What is energy of motion

• the energy of changing positions

• the energy that you can see

• energy you can hear

• energy of moving particles

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What is light energy

• the energy of changing positions

• the energy you can see

• the energy you can hear

• the energy of moving particles

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What is sound energy?

• energy of changing position

• energy you can see

• energy you can hear

• energy of moving particles

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What is thermal energy?

• energy of changing position

• energy you can see

• energy you can hear

• energy of moving particles

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What is heat?

• energy you can touch

• energy you can see

• transfer of thermal energy

• transfer of light energy

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A player catches a moving ball. What happens to SOME of ball’s energy when it hits the mitt?

• it changes to light energy

• it changes to sound energy

• it is destroyed

• it changes to electricity

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Addy spilled sugar & pounded her fist on the table. The grains of sugar moved. Why?

• Light above the table transferred energy to the sugar.

• Vibrations transferred energy to the sugar.

• Heat from Addy’s fist transferred energy to the sugar.

• Air above the table transferred energy to the sugar

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Cade knew his dog was coming when he heard the dog’s tags jingle. Why did the tags make noise?

• The tags caused the air around them to vibrate.

• The tags caused the air around them to cool down.

• Light energy in the air moved to the tags.

• Stored energy in the air was transferred to the tags.

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A ball is hit. The pitcher catches the ball and then throws it to the catcher. Describe the ball's energy.

• It lost energy of motion when it was hit.

• It gained energy when it was caught.

• All of its energy of motion was transformed into sound

• It changed speed and motion as it moved

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