5.5 Sound

Front

What is sound?

Back

Sound is a type of energy that is transmitted in the form of waves.

Front

What type of sound does a bird make?

Back

A bird makes a high-pitched sound.

Front

How do whales use sound waves?

Back

Whales use sound waves to locate food.

Front

What happens to the pitch of a sound wave as its frequency increases?

Back

The pitch of the sound wave becomes higher.

Front

Which material transmits sound the fastest?

Back

A metal rod transmits sound the fastest.

Front

What is frequency in relation to sound?

Back

Frequency refers to the number of waves that pass a point in one second, affecting the pitch of the sound.

Front

What is pitch?

Back

Pitch is how high or low a sound is, determined by the frequency of the sound wave.

Front

What is an example of a low-pitched sound?

Back

A lion's roar is an example of a low-pitched sound.

Front

What medium transmits sound the slowest?

Back

Sound travels slowest in air compared to solids and liquids.

Front

What is an echo?

Back

An echo is a reflection of sound that arrives at the listener after a delay.