Energy and Motion Quiz

What is the source of heat for the plant?

• A lamp

• Leaves

• Pot

• Soil

What energy transformations take place in a television?

• Electrical to sound, light, and heat

• Electrical to heat, light, and motion

• Electrical to light and motion only

• Electrical to sound and motion only

Tags

NGSS.HS-PS3-3

Which term is defined as the ability to make something move, happen, or change?

• Brightness

• Energy

• Reflection

• Spectrum

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People can use a special dog whistle to call a dog. The person blowing the whistle cannot hear it. Why can't the person hear the dog whistle?

• Sound waves have to travel a distance before they can be heard.

• The sound from the whistle is too soft for a person to hear.

• Human ears do not have the right shape to hear that kind of sound.

• The frequency of the whistle is too high for humans to hear.

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NGSS.HS-PS4-1

Which statement best explains why the blow dryer was able to dry Sandra's hair quickly?

• The blow dryer used electricity.

• The blow dryer transferred heat.

• The blow dryer created sound waves.

• The blow dryer used mechanical energy.

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NGSS.MS-PS1-4

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What is the relationship between the speed of the arrow and its energy?

• The arrow moves fastest and has the most energy when the string stretches to 9 cm.

• The arrow moves slowest and has the most energy when the string stretches to 5 cm.

• The arrow moves slowest and has the least energy when the string stretches to 9 cm.

• The arrow moves fastest and has the least energy when the string stretches to 5 cm.

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NGSS.MS-PS3-1

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The student wants to change the design so that the car moves down the ramp faster. Which change should the student make to the design?

• Make the ramp steeper.

• Make the ramp shorter.

• Make the ramp smoother.

• Make the ramp wider.

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Which two ways will decrease the kinetic energy of a car?

• Remove one book from under the wooden plank.

• Add another book under the wooden plank.

• Use a thinner wooden plank.

• Use a longer wooden plank.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Why does the toy car cross point X at different times?

• When the energy of the car is low, it moves at a high speed and covers the distance over a longer period of time.

• When the energy of the car is high, it moves at a high speed and covers the distance in a shorter period of time.

• When the energy of the car is high, it moves at a low speed and covers the distance over a longer period of time.

• When the energy of the car is low, it moves at a low speed and covers the distance in a shorter period of time.

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Why does the cup have less energy than the ball?

• The cup catches the ball.

• The ball moves at a faster speed.

• The ball is made of rubber.

• The cup is made of foam.

Tags

NGSS.MS-PS3-5