Sound Sonar Echolocation

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

• frequency
• amplitude
• speed
• volume

This is the unit used to measure the volume of a sound. 

• Decibel
• Medium
• Vibration
• Oscilloscope

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

Tags

NGSS.MS-PS4-2

True or False: Can sound travel through a vacuum (space).

• True
• False

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

• True 
• False

Tags

NGSS.MS-PS4-2

_____ is a method of locating things underwater using echolocation.

• trees
• solar
• sonar
• turpentine

Bats use ________ TO LOCATE MOSQUITOES IN THE AIR.

• sonar

• ecology

• echolocation

• evolution

How does a sound wave interact with a human ear?

• vibrates the ear drum
• bounces off the ear canal
• rotates the ear drum
• vibrates the ear canal

Tags

NGSS.MS-PS4-2

__________ means to move back and forth quickly.

• Pitch
• Amplitude
• Vibration
• Echo

Some animals use this to navigate and hunt

• sonar

• echolocation

• vibration