Sound Waves

Front

What is sound?

Back

A type of energy made by vibrations that moves through a medium such as a gas, liquid or solid.

Front

Why does sound travel faster through solids than gases?

Back

Solid molecules are packed tightly together.

Front

What do you need to change to alter the pitch of a sound?

Back

Frequency.

Front

What type of wave is a sound wave?

Back

A longitudinal wave caused by vibrations transferring energy through a medium.

Front

What happens to the frequency of a sound when the pitch is lowered?

Back

The frequency decreases.

Front

What is the relationship between amplitude and volume?

Back

Higher amplitude means a louder sound (higher volume).

Front

What is a medium in the context of sound?

Back

A substance (gas, liquid, or solid) through which sound waves travel.

Front

What is the difference between pitch and volume?

Back

Pitch refers to how high or low a sound is, while volume refers to how loud or soft a sound is.

Front

What happens to sound waves when they travel through water?

Back

They travel faster than in air due to the closer arrangement of water molecules.

Front

What is frequency measured in?

Back

Hertz (Hz).