NGSS.4-PS4-1

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

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NGSS.4-PS4-1

A disturbance moving through a medium such as a solid, liquid, or gas is a ________

• sound
• model
• wave
• pitch

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NGSS.4-PS4-1

light travels in

• waves

• rays

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Sound travels through solids, liquids AND gasses.

• True

• False

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Research ships use sound waves to find objects underwater. What happens to the sound waves when they are emitted from the ship?

• They are absorbed by the water around the ship.

• They are reflected off objects they strike in the water.

• They are absorbed by the air above the ship.

• They are refracted as they strike the water.

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When light passes through a prism, why do you see different colors?

• Each color has a different wavelength, so they all bend at different angles

• Because Stone Cold said so

• Because the prism is magical and allows you see the colors

• 

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Halfway between a crest and a trough

• resting point

• trough

• wavelength

• sound

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A sound wave looks most like:

• a long rope

• a wave in the water

• a coiled spring

• a short rope

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Objects that vibrate quickly make sounds with ___________.

• a high volume

• no sound

• a high pitch

• a low volume

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A sound wave that bounces back to you is ___________.

• a whisper

• never loud

• an echo

• always high pitched

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NGSS.4-PS4-1