8.4 Sound & Light Practice Test

Which of the following is NOT an example of an electromagnetic wave?

• ocean waves

• green light

• microwaves

• ultraviolet light

Wave frequency is the ___ of waves passing a given point per second.

• amplitude
• wavelength
• speed
• number

Tags

NGSS.HS-PS4-1

Amplitude shows the amount of ____ in a wave.

• energy
• compression
• rarefaction
• speed

Tags

NGSS.MS-PS4-1

A ____ is the distance between a point on one wave and the identical point on the next wave.

• amplitude
• wavelength
• frequency
• compression

A place where molecules affected by a wave are stretched apart is a _____.

• refraction
• reflection
• rarefaction
• compression

Clear glass is an example of a _____ material.

• translucent
• medium
• opaque
• transparent

Tags

NGSS.MS-PS4-2

The characteristic of a wave that is measured in hertz is ___.

• frequency
• amplitude
• wavelength
• loudness

Tags

NGSS.HS-PS4-1

The characteristic of sound that is measured in decibels is ___.

• frequency
• amplitude
• wavelength
• loudness

Tags

NGSS.MS-PS4-1

The outer ear ____ sound.

• amplifies
• interprets
• increases
• collects and funnels

Which of these is NOT an ossicle?

• hammer
• anvil
• boot
• stirrup