Sound waves

Front

To change the pitch of a sound, you have to change the ___ (Options: frequency, amplitude, speed, volume)

Back

frequency

Front

What is the unit used to measure the volume of a sound?

Back

Decibel

Front

What is a pitch?

Back

highness or lowness of a sound

Front

Bats use ________ to locate mosquitoes in the air.

Back

echolocation

Front

The number of wavelengths that pass a point each second

Back

frequency

Tags

NGSS.HS-PS4-1

Front

Material (matter) through which a wave travels

Back

medium

Tags

NGSS.MS-PS4-2

Front

When a sound is louder, what measurement gets bigger?

Back

Amplitude

Tags

NGSS.MS-PS4-1

Front

Which feature of sound is determined by amplitude?

Back

Loudness

Tags

NGSS.MS-PS4-1

Front

What is something natural that Sound cannot travel through?

Back

outer Space

Tags

NGSS.MS-PS4-1

Front

What is changed in the second picture? Options: Someone is talking louder in picture 2, Someone is talking softer in picture 2, Someone is talking lower pitch in picture 2, Someone is talking higher pitch in picture 2

Back

Someone is talking lower pitch in picture 2

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2