Sound Review

All sounds are caused by:

• Hot objects

• Cold objects

• Vibrating objects

• Heavy objects

A heavy object will vibrate:

• Quickly

• Slowly

A lightweight object will vibrate:

• Quickly

• Slowly

Tags

NGSS.MS-PS4-1

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

The highest pitch is made by the _______ instrument.

• biggest
• wooden
• smallest
• shiniest

What is volume?

• the loudness or softness of a sound
• vibrations
• the number of vibrations per second

True or False: Sound travels better through solids than through liquids

• True 
• False

Tags

NGSS.MS-PS4-2

A sound is a vibration created by an object that travels through a medium, like air.

• true
• false

Kamden heard a horn honk and classmates whispering. Which statement BEST explains what is happening?

• The horn honking is made from heat energy and the whispering is vibrations.

• The whispering is made from heat energy and the horn is vibrations.

• Both sounds are made from vibrations.

• Both sounds are made from heat energy.

What determines the PITCH of a sound?

• The frequency of vibrations

• The amount of energy used to create the vibrations

• How loud someone speaks

• The wavelength of sounds