4th grade LEAP Ch. 4 Vocabulary

waves produced by objects creating vibrations

• amplitude

• levitate

• sound waves

• crest

Tags

NGSS.MS-PS4-1

the process by which animals send out and receive sound waves to sense location and to 
     communicate with each other.

• sound waves

• ecolocation

• amplitude

• wave height

Tags

NGSS.MS-LS1-8

the repeating sound of a wave

• frequency

• levitate

• crest

• trough

Tags

NGSS.MS-PS4-1

alternative organs which help organisms process sounds

• sound waves

• decibels

• echolocation

• sense receptors

Tags

NGSS.MS-LS1-8

to rise and float in the air as if to defy gravity

• echolocation

• sense receptors

• wavelength

• levitate

Tags

NGSS.MS-PS3-2

the measurement of the loudness of sounds

• decibels

• echolocation

• frequency

• trough

the bottom of a wave

• trough

• crest

• wavelength

• levitate

Tags

NGSS.MS-PS4-1

the maximum distance a wave moves from its resting position

• decibels

• levitate

• amplitude

• frequency

Tags

NGSS.MS-PS4-1

the top of a wave

• crest

• trough

• wavelength

• amplitude

Tags

NGSS.MS-PS4-1

the distance between one crest to the next in repeating waves

• levitate

• decibels

• wavelength

• crest