Measuring Waves

When sound waves travel through the air, the air molecules must _____ to transmit sound

• flow together

• scatter away

• vibrate around each other

• bump into each other

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

An echo is caused when a sound wave _____ an object

• goes around

• is absorbed by

• bounces off of

• is amplified by

Tags

NGSS.MS-PS4-2

Areas of increased pressure on a sound wave are known as a ----

• Rarefaction

• Compression

• Frequency

• Amplitude

Tags

NGSS.MS-PS4-1

The distance from the beginning of one compression to the beginning of the next compression is called a -----

• Rarefaction

• Frequency

• Wavelength

• Compression

Tags

NGSS.MS-PS4-1

The measure of the amount of energy in a wave is ----

• Wavelength

• Hertz

• Frequency

• Amplitude

Tags

NGSS.MS-PS4-1

Sound needs a medium.

• True

• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Spread out areas or areas of decreased pressure on a sound wave are known as a ---

• Rarefaction

• Amplitude

• Compression

• Hertz

Tags

NGSS.MS-PS4-1

The number of wavelengths that pass a fixed point each second is known as ----

• Hertz

• Amplitude

• Frequency

The unit for measuring frequency is the ---

• Joule

• Hertz

• Gram

• Newton

Tags

NGSS.HS-PS4-1

Sound waves travel the fastest through ---

• Liquids

• Gases

• Solids