3rd Grade Energy Practice Test

Which form of energy powers the hair dryer?

• mechanical

• electrical

• heat

• sound

What kind of energy does the person have at point X?

• stored energy

• energy of motion

• thermal energy

• sound energy

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Which of these shows a change from electrical energy to mechanical energy?

• plugging in a lamp and turning on the light bulb

• getting on a bicycle and pedaling to move forward

• plugging in a fan and turning it on so the blades start to spin

• plugging in a radio and turning it on so music begins to play

Which is an example of stored energy?

•  a car moving down a hill

• coming from the sun

• A skateboarder at the top of a ramp

•  music coming from a radio

Tags

NGSS.MS-PS3-2

What is an example of something that gives off both light energy and heat?

• brakes on a car

• a light bulb

• a microwave

• an electric frying pan

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Which action is a source of heat but not a source of light?

• turning on the flame in a stove burner

• lighting a fire

• turning on a lamp

• rubbing your hands together

In what form does energy from the sun travel to Earth?

• light and sound

• light and heat

• heat and sound

• heat and electricity

What is the source of energy that powers a television?

• mechanical

• electrical

• thermal

• sound

Which form of energy increases when a bicycle goes from slow to fast?

• electrical

• mechanical

• heat

• light

Tags

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Which of the following examples demonstrates a change caused by energy?

• You push a book and it falls off the edge of your desk.

• There is a jack-in-the-box with the lid closed on your bed.

• You sit on your bike at the top of a hill.

• A runner stands at the starting line of a race.

Tags

NGSS.MS-PS3-1

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