Sound Waves + Properties of Waves

Sound is produced by -----

• Heat energy

• Low temperatures

• Vibrations

• Friction

Tags

NGSS.MS-PS3-5

True or False: Sound needs a medium.

• True

• False

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 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

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.MS-PS1-4

Sound waves travel the fastest through ---

• Liquids

• Gases

• Solids

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The diagram shows a cartoon of a sound wave produced while a student is speaking.

What happens to the sound wave when the student speaks louder?

• The amplitude increases

• the wavelength will double

• the speed will increase

• the amplitude will decrease

Tags

NGSS.MS-PS4-1

Through which medium is it impossible to transmit sound waves?

• space

• rock

• air

• water

Tags

NGSS.MS-PS4-2

If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• speed
• volume