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JC Science > Chapter 40 - Sound > Flashcards

Chapter 40 - Sound Flashcards

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Biology 101 flashcards
1
Q

True or falls: does sound need a medium to travel in/be heard in

A

True

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2
Q

What are echoes

A

Echoes are reflected sound

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3
Q

What is the speed of sound

A

340 m/s

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4
Q

Ultrasound

A

High-pitched sound beyond the range of a human ear

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5
Q

Sound

A
  • produced when objects vibrate

* form of energy

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JC Science (44 decks)

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