Sound

Match it! Select the correct answer from the pull down...Good luck!

Sounds above ____________________ dB can cause pain and can damage a person's ears.

Sound is measured in units called __________________________.

A back-and-forth movement of matter is its _____________.

Sound travels through the air as ____________________________.

The more energy a sound has, the greater its _______________________.

The number of vibrations per second is the _____________.

The softest sound a human can hear is ____________ dB.

Sound travels best through ____________________.