Sound Waves Answers

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Which statement correctly compares sound and light waves?

A
Both light and sound waves need matter to carry energy from one place to another.
B
Neither light nor sound waves need matter to carry energy from one place to another.
C
Light waves carry energy parallel to the motion of the wave, while sound waves carry energy perpendicular to it.
D
Sound waves carry energy parallel to the motion of the wave, while light waves carry energy perpendicular to it.
3

Complete the passage.

Answers:
Blank 1:longitudinal
Blank 2:transverse
6

Which statement correctly compares sound and earthquake waves?

A
Sound waves and all earthquake waves have compressions and rarefactions.
B
Sound waves and all earthquakes waves have crests and troughs.
C
Sound waves and some earthquake waves have compressions and rarefactions.
D
Sound waves have crests and troughs and all earthquake waves have compressions and rarefactions.

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