Mechanical Energy Quiz for Third Graders

What is an example of mechanical energy?

• A swing on the playground

• A running faucet

• A barking dog

• A blooming flower

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Which of the following is a non-example of mechanical energy?

• a jumping frog

• a stationary rock

• a flying bird

• a moving tree

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How can you demonstrate mechanical energy using a toy car and a ramp?

• By allowing the toy car to roll down the ramp.

• By attaching a rocket to the toy car and launching it into the air

• By submerging the toy car in water and observing its movement

• By placing the toy car on the ramp and not allowing it to move

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Which of the following is an example of mechanical energy?

• a floating balloon

• a flying bird

• a sleeping cat

• a rolling ball

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What is an experiment you can do to show the relationship between speed and mechanical energy?

• Using a timer to measure how fast a swing moves at different heights.

• Counting the number of rotations a ceiling fan makes

• Measuring the temperature of a moving car

• Dropping a ball and measuring the distance it travels

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How does a seesaw demonstrate mechanical energy?

• It makes noise when it moves

• It is warmed by the sun

• It reflects the light of the sun

• It moves up and down

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Which of the following is a non-example of mechanical energy?

• sharpening a pencil

• turning a doorknob

• hammering a nail

• a leaf falling

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What is an example of mechanical energy in everyday life?

• Eating breakfast

• Watching TV

• Playing with a toy car

• Riding a bike

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How can you use a swing to understand mechanical energy?

• By measuring the weight of the swing

• By counting the number of people using the swing

• By observing the back and forth motion of the swing

• By observing the color of the swing

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Speed can be determined by...

• Distance

• Mechanical Energy

• Force

• Time

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