Sound Lesson

What is a reflected sound.

• Vibration

• Echo

• Pitch

• Volume

Tags

NGSS.MS-PS4-2

Which statement below is true for light and sound waves?

• Both can move through empty space.

• Both have the same wavelength.

• They travel at different speeds in air.

• Neither can pass through solids.

Tags

NGSS.MS-PS4-2

What is an example of a high-pitched sound?

• the fire alarm at Berner Middle school

• a tuba

• a bass drum

• a whale singing underwater

The greater the amplitude of a sound wave the....

• louder the sound

• higher the pitch of the sound

• less loud the sound

• lower the pitch of the sound

Tags

NGSS.MS-PS4-1

The greater the frequency of a sound the...

• higher the pitch of the sound

• less loud the sound

• lower the pitch of the sound

• louder the sound

The number of waves that pass somewhere in a second is:

• amplitude

• frequency

• wavelength

Frequency is measured in

• Hertz

• Newtons

• Decibels

• Joules

Tags

NGSS.MS-PS4-1

Sound is caused by? 

• force

• vibrations

• instruments

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is frequency?

• the number of vibrations per second

• how high or low a sound is

• the loudness or softness of a sound

• the back and forth movement of matter

Tags

NGSS.MS-PS4-1

An object that does not vibrate cannot produce

• sound

• light

• heat

• electricity

Tags

NGSS.MS-PS4-1