Sound Energy Vocabulary Review

Front

What is a type of energy that you can hear?

Back

Sound is a type of energy that travels in waves and can be heard by the human ear.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

Can sounds travel in a vacuum (empty space)?

Back

False. Sounds cannot travel in a vacuum because there are no molecules to carry the sound waves.

Front

What is the term for a back and forth movement that creates sound?

Back

Vibration is the back and forth movement that produces sound.

Front

What is the difference in how high or low a sound is called?

Back

Pitch is the term used to describe how high or low a sound is.

Front

What do we call the number of back and forth movements in a sound wave?

Back

Frequency refers to the number of vibrations or cycles per second in a sound wave.

Front

What is the term for the loudness or softness of a sound?

Back

Volume is the term that describes how loud or soft a sound is.

Tags

NGSS.MS-PS4-1

Front

What is the unit of measurement for frequency?

Back

Hertz (Hz) is the unit used to measure frequency.

Front

What is an example of a sound with a high pitch?

Back

A whistle produces a high-pitched sound.

Front

What is an example of a sound with a low pitch?

Back

A bass drum produces a low-pitched sound.

Front

What happens to sound waves as they travel through different materials?

Back

Sound waves can change speed and may be absorbed, reflected, or transmitted depending on the material.

Tags

NGSS.MS-PS4-2