Sound Unit Test

Sound is a form of ___________.

• light

• energy

• precipitation

• fuel

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of these is a word to describe sound?

• Color

• Shape

• Volume

• Weight

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How do we hear sound?

• Sound vibrations travel through air and other forms of matter.

• The air heats up sound so it can reach us.

• The air cools down sound so it can reach us.

• Gravity pushes sound toward our ears.

Tags

NGSS.MS-PS4-2

The ___________ of a sound describes how low or high it is.

• pitch

• volume

• force

• tension

The picture show pots handing in Kelly's garden. She tapped each pot with a pencil. Which pot had the lowest pitch?

• 1

• 3

• 5

• 2

The faster the vibration of an object, the higher the pitch of sound.

• True

• False

Tags

NGSS.MS-PS4-1

The closer the source of sound is, the louder it will be.

• True

• False

Tags

NGSS.MS-PS4-1

Sound moves the same through all materials.

• True

• False

Tags

NGSS.MS-PS4-2

Loudness, or sound, level is measured in units called ____________

• hertz (Hz)

• decibels (dB)

• joules

At which of the following levels can sound damage the ears?

• 15 dB

• 45 dB

• 100 dB

• 121 dB