Physics 7 Reviewer

Sound is produced by -----

• Heat energy

• Low temperatures

• Vibrations

• Friction

Tags

NGSS.HS-PS4-1

True or False: Sound needs a medium.

• True

• False

Sound waves are also known as ----- waves.

• Compression

• Longitudinal

• Neither

• Both longitudinal and compression

True or False: Sound waves are faster than light.

• False

• True

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

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

• Rarefaction

• Amplitude

• Compression

• Hertz

Tags

NGSS.MS-PS4-2

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

• Hertz

• Amplitude

• Frequency

Tags

NGSS.HS-PS4-1

The unit for measuring frequency is the ---

• Joule

• Hertz

• Gram

• Newton

Tags

NGSS.HS-PS4-1

The speed of sound depends on these two things:

• The type of medium and the temperature of the medium

• Speed of the medium and temperature of the medium

• Temperature of the medium and sound of the medium

• None of the above

Tags

NGSS.HS-PS4-1