Waves, Light and Sound

The bouncing back of a light ray after hitting a surface is known as...

• diffraction
• refraction
• rebounding
• reflection

Tags

NGSS.MS-PS4-2

The bending of light is called refraction.

• True
• False

Tags

NGSS.MS-PS4-2

Sound intensity is measured in units called ________ named after Alexander Graham Bell.

• tones
• hertz
• amplitudes
• decibels

What is the measure of how many waves pass a point in a certain amount of time?

• frequency
• wavelength
• midpoint
• crest and trough

Which wave has the longest wave length?

• top wave

• bottom wave

Tags

NGSS.MS-PS4-1

Which wave has a greater frequency?

• A
• B

The action of a wave bouncing off a surface is called __________________.

• rarefaction
• refraction
• reflection
• diffraction

Tags

NGSS.MS-PS4-2

How loud or soft people hear a sound is related to the _________ of the sound wave.

• amplitude
• longitude
• echo
• lens

Tags

NGSS.MS-PS4-1

Sound travels as a ___________ wave. 

• longitudinal
• transverse
• water
• slinky

Tags

NGSS.MS-PS4-2

Which electromagnetic waves help doctors detect broken bones inside your body?

• gamma rays
• x-rays
• ultraviolet rays

Tags

NGSS.HS-PS4-4