Characteristics of Waves

A disturbance that transfers energy from place to place is called a

• wave.

• medium.

• vibration.

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The highest parts of a transverse wave are called

• troughs.

• crests.

• wavelengths.

Waves that move the particles of the medium parallel to the direction in which the waves are traveling are called

• longitudinal waves.

• transverse waves.

• combination waves.

The distance between two corresponding parts of a wave is the wave’s

• amplitude.

• wavelength.

• frequency.

A wave travels through a medium because

• the medium’s particles are carried along with the wave.

• the wave’s energy passes from particle to particle.

Frequency is measured in units called

• amps.

• hertz.

• nodes.

Why do you see lightning from a distant storm before you hear thunder?

• The thunder is produced after the lightning.

• Light travels faster than sound.

• Sound travels faster than light.

Mechanical waves are created when a source of energy causes a medium to

• compress.

• expand.

• vibrate.

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In transverse waves, the particles of the medium move at right angles to the direction in which the wave is traveling.

• True

• False

The unit associated with amplitude is the hertz.

• True

• False

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