Waves, Energy, and Information

How does sound energy travel?

• Sound energy travels in waves that need a solid, liquid, or gas to carry them.

• Sound energy travels in waves that can move through the vacuum of empty space.

• Sound energy travels in a straight line in one direction.

• Sound energy travels in a straight line that switches directions periodically.

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Which of the following is a measurement of a wave’s amplitude?

• the distance to the highest point of a wave

• the distance between waves

• the distance from which a sound can be detected

• the distance across the widest point of a wave

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The crest is the

• low point

• high point

• mid point

• frequency

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The _____ is the lowest point of the wave below the equilibrium.

• crest

• trough

• equilibrium

• wave

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Waves transfer​ (a)   from one place to another.

• Energy

• Matter

• Molecules

• Force

• Surfers

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The _________ is the number of wavelengths that pass a point within a specific unit of time

• frequency

• trough

• equilibrium

• amplitude

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• Trough

• Wavelength

• Amplitude

• Frequency

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• Frequency

• Trough

• Crest

• Amplitude

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• Amplitude

• Crest

• Frequency

• Trough

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The top of a wave is called a

• Height

• Crust

• Trough

• Crest

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