Waves and Sound Review

What happens to the sound wave in echolocation?

• It releases energy

• It is reflected

• It is refracted

• It is absorbed

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Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?

• analog

• digital

• radio

• infrared

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Theresa comes up with four examples of waves: Sound wave, Ocean wave, Light wave, and Hand wave. Which of Theresa’as examples is not an actual scientific wave?

• Sound wave

• Ocean wave

• Light wave

• Hand wave

The DISTANCE from any point on a wave to the same point on the next wave is called its

• amplitude

• velocity

• wavelength

• decibels

What type of wave has oscillations that are NOT in the same direction as its motion?

• longitudinal

• transverse

• antioscillators

• oscillatorfakers

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What type of wave has oscillations in the SAME direction as its motion?

• longitudinal

• transverse

• convex

• transiberian

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The LOUDNESS of sound is measured in

• dopplers

• hertz

• decibels

• amplitudes

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A siren frequency often shifts up when it is coming towards you, and shifts down as it moving away from you. This is an example of the

• Subsonic Effect

• Doppler Effect

• Supersonic Motion

• Decibel Effect

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The units for measuring the loudness of sound are

• decibels

• audiles

• earibles

• volume

A supersonic object

• moves slower than the speed of sound

• moves the same speed as the speed of sound

• moves faster than the speed of sound

• is something made really fast at a Sonic restaurant

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