2nd Grade Science-Sound

Front

What is pitch?

Back

Pitch is how high or low a sound is.

Front

What do we need to produce sound?

Back

An object must vibrate to produce sound.

Front

What part of the ear vibrates when sound waves reach it?

Back

The ear drum.

Front

What causes sound?

Back

Sound is caused by vibrations.

Front

What is made when something vibrates?

Back

Sound.

Front

What is frequency?

Back

Frequency is the number of vibrations per second that determines the pitch of a sound.

Front

What is volume?

Back

Volume is how loud or soft a sound is.

Front

What is a vibration?

Back

A vibration is a rapid back-and-forth movement that creates sound.

Front

Can you hear sound without vibrations?

Back

No, you cannot hear sound without vibrations.

Front

What is an example of a sound source?

Back

A drum is an example of a sound source.