Ch. 4 "Waves & Communication" (Blue Book)

A WAVE IN MOTION p. 57

What can waves NOT do?

• weather and shape objects

• move objects

• be used for communication

• define mass

OBJECT MOVEMENT AND WAVES p. 57

Waves carry sound. What is the maximum height of the waves?

• wavelength

• amplitude

• crest

• trough

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OBJECT MOVEMENT AND WAVES p. 57

What is the top of a wave called?

• wavelength

• amplitude

• crest

• trough

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OBJECT MOVEMENT AND WAVES p. 57

What is the distance between crest to crest or trough to trough?

• wavelength

• amplitude

• crest

• trough

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SOUNDWAVES p. 58

Soundwaves are capable of moving objects.

• TRUE

• FALSE

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SOUNDWAVES p. 58

What causes soundwaves to move objects...choose the BEST answer.

• earthquakes

• vibrations

• the time of day

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SOUNDWAVES p. 58

Changing the volume of the sound will NOT effect how much an object will move.

• TRUE

• FALSE

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SOUNDWAVES p. 58

What is frequency?

• the amount sound vibrates per a given time

• the amount of time a wave moves before it stops

• how high or low (pitch) of a sound

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SOUND WAVES p. 58

Opera singers who can hit a certain note will vibrate a glass. When this happens, the glass _____.

• sings the note back.

• does nothing.

• shatters.

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SOUND WAVES p. 59

Levitating objects in the air with waves is possible. How is this possible?

• magic

• sound waves meeting together in one space, the object in the middle may float

• it is impossible for this to happen

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