Study Jams - Sounds

What role does energy play in sound?

• Sound waves have nothing to do with energy.

• Sound waves carry energy.

• Energy is present in loud sounds only.

• Energy is present in high-pitched sounds but not in low-pitched sounds.

Tags

NGSS.MS-PS4-1

What is an echo?

• the number of sound waves in a second

• the loudness or softness of a sound

• sound waves that bounce off a surface

• the highness or lowness of sounds

Tags

NGSS.MS-PS4-2

What sort of frequency do high-pitched sounds have?

• high

• low

• medium

• no frequency

Tags

NGSS.MS-PS4-1

What does volume measure?

• the speed of a sound

• the frequency of a sound

• the highness or lowness of a sound

• the loudness or softness of a sound

What causes sounds that are lower than 0 decibels?

• low frequency

• high volume

• giant explosions in the ocean

• gametophytes

Which two aspects of sound go together?

• pitch and frequency

• decibels and pitch

• pitch and volume

• amplitude and pitch

What does amplitude measure?

• frequency

• volume

• pitch

• echoes

Tags

NGSS.MS-PS4-1