Sol Review Light and Sound

All waves carry

• energy
• light 
• matter
• particles

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What do we call the part of a longitudinal wave that is when the waves are squeezed together?

• compression

• rarefaction

• crest

• trough

What do we call the part of a longitudinal wave that is spread a part?

• compression

• rarefaction

• crest

• trough

Why would a wave change direction or "bend"?

• Because it kept traveling through the same medium

• Because it went from one medium to another

• the amplitude was too large

• the frequency was too small

What is a medium?

• something between a small and a large?
• the substance through which a wave can travel
• a pattern of vibration that simulates when a wave is standing still
• the distance from any point on a wave to an identical point on the next wave

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NGSS.HS-PS4-1

The orca uses this behavior of waves to locate food.

• Refraction

• Reflection

• Absorption

• Diffraction

• Interference

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Which wave behavior do noise cancelling headphones use?

• diffraction
• refraction
• constructive interference
• destructive interference

How does the speed of sound change as it goes from air into water?

• It speeds up

• It slows down

• It does not change

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Which diagram best represents the shape and direction of a series of wave fronts after they have passed through a small opening in a barrier?

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True or False: Every object has at least one natural frequency.

• True
• False