IP5 Exam review

Sound is energy in the form of vibrations passing through ______.

_____ is how low or high a sound seems to a listener.

Low-frequency sounds produce only a ___ crests and troughs per second.

Frequency is the number of crests and troughs produced in a given amount of ____. (HINT: seconds is the SI unit)

Sounds occur when objects vibrate.

• True

• False

The sound energy travels outward as sound waves.

• True

• False

Sound waves do not travel quickly through most solids and liquids

• True

• False

Sound waves are picked up by the middle ear, passed through the outer ear, and sent to the inner ear.

• True

• False

• Ask Musa

Sound waves → ________ _____ → Mechanical vibrations (energy) → Electrical Impulses

The loudness of a sound is called ______.