Sound and Light

Astronauts in space cannot talk to each other unless they use a radio to speak back and forth. Why is this?

• The air is too thick to carry sound waves efficiently

• The force of gravity is too strong to allow sound waves to travel

• There is no air in space, so there is no medium to carry sound waves

• It is very loud in space, so they can only hear each other through a radio

A fire truck's siren and flashing lights are examples of ____ and ____ energy. Choose two answers.

• heat and light

• light and motion

• light and sound

• chemical and sound

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NGSS.4-PS3-2

To stop a drum from producing sound, you would____.

• hit it harder

• hit it softer

• stop it from vibrating

• place in water

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Why are sounds not heard in space?

• Space is too cold for sound waves to travel

• There is too much matter to travel through space

• Space is a vacuum with few particles to travel through

• Energy cannot travel in space

How does sound energy travel?

• in strings

• in beams

• in pulses

• in waves

Tags

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A form of energy that allows you to see objects is ____.

• heat

• light

• solar energy

• vision

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Light travels as tiny ____ of energy.

• particles

• grains

• dust

• sequences

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A pom-pom launcher____.

• transfers kinetic energy to thermal energy

• transforms stored energy to sound energy

• transforms stored energy to energy of motion

• transfers energy of motion to stored energy

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Solar Cells are devices that use light from the sun to produce____.

• Motion

• electricity

• chemicals

• sound

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NGSS.MS-PS3-5

Sound moves in ____.

• Longitudinal waves

• Latitudinal waves

• peaks

• dips

Tags

NGSS.MS-PS4-1