Sound Review

Match the definition: The transfer of energy from a vibrating object in waves that travel through matter.

• Sound

• Light

• Music

• Particles

True or False: Sound waves can travel through space

• True

• False

Sound waves are best absorbed by which of the following materials?

• Glass

• Metals

• Rubber

Earplugs most likely work by...

• Magic

• The foam muffles the sound by absorbing the waves

• Bouncing the sound waves back at the sender

The speed of sound in air at 20 degrees Celsius is

• 20 m/s

• 343 m/s

• 6320 m/s

• 98.6 m/s

Definition: the distance that sound waves travel in a given amount of time

• Speed of sound

• Wavelength of sound

• Amplitude of sound

• Frequency of Sound

Sound waves travel fastest in which of the following mediums?

• Air

• Water

• Wood

• Metals

True or False: As temperature increases, the speed of sound also increases.

• True

• False

In which of the following mediums does sound travel the slowest?

• Air

• Water

• Wood

• Aluminum

Definition: How loud or soft a sound seems

• Amplitude

• Intensity

• Decibel

• Loudness