Science Unit 5 Review

Stored energy is

• potential energy

• kinetic energy

• Stored energy is both potential and kinetic.

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This is a type of energy

• potential energy

• kinetic energy

• both are types of energy

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This is the energy of motion

• potential energy

• kinetic energy

• The energy of motion is both potential and kinetic.

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Which type of energy is an example of electrical energy?

• a fan plugged into an outlet

• a trumpet making music

• the sun shining

• a campfire burning

Kendall feels tired after riding his bicycle. He uses a blender to make a healthy shake. Which types of energy are used and output by the blender?

• electrical; heat and light

• electrical; potential and heat

• electrical; kinetic and sound

• mechanical; sound and potential

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NGSS.MS-PS3-5

Dan turns on an electric fan, a flashlight, a lamp, and a television. Which one gives off both light and sound energy?

• electric fan

• flashlight

• lamp

• television

• Potential energy becomes kinetic energy.

• Kinetic energy becomes potential energy.

• Mechanical energy becomes light energy.

• Mechanical energy becomes electrical energy.

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A ball falls off the shelf. What is the evidence that it has energy as it falls?

• The ball is round, and all round objects have energy.

• The ball is moving, and things that are moving have energy.

• The ball is heavy, and energy is what gives objects weight.

• The ball is falling toward Earth, and energy pulls objects toward Earth.

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• A

• A and B

• A, B and C

• A, B, C, and D

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Mia pointed a flashlight straight ahead. The light traveled forward. Then it suddenly traveled straight back at Mia. Which of the following objects did the light most likely strike?

• brick wall

• large mirror

• clear glass window

• frosted glass windo

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