Sound Energy Vocabulary Review

Front

What types of items reflect or bounce sounds?

Back

Hard items reflect or bounce sounds, such as walls, metal, and glass.

Tags

NGSS.MS-PS4-2

Front

The amount of energy a sound has determines the sound's __________

Back

Volume. Volume is how loud or soft a sound is.

Tags

NGSS.MS-PS4-1

Front

The number of back and forth movements in a sound wave is called __________

Back

Frequency. Frequency measures how many times a sound wave vibrates in one second.

Front

A type of energy that you can hear is called __________

Back

Sound. Sound energy travels in waves and can be heard by our ears.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

A back and forth movement that creates sound is called __________

Back

Vibration. When an object vibrates, it produces sound waves.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is the term for the highness or lowness of a sound?

Back

Pitch. Pitch determines whether a sound is high like a whistle or low like a drum.

Front

What do we call the distance between two peaks of a sound wave?

Back

Wavelength. Wavelength affects the pitch of the sound.

Front

What is the term for the speed of sound in air?

Back

Approximately 343 meters per second at room temperature.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is an echo?

Back

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

Tags

NGSS.MS-PS4-2

Front

What is the difference between loud and soft sounds?

Back

Loud sounds have high volume, while soft sounds have low volume.

Tags

NGSS.MS-PS4-1