EM & Sound Review

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

• increases.
• decreases.
• stays the same.

The distance between two crests or two troughs of a wave is called:

• frequency
• amplitud
• wavelength
• hertz

The height of the wave is known as the _____________.

• amplitude
• crest
• trough
• wavelength

The blue section of the wave is measuring _________________.

• wavelength
• crest
• trough
• amplitude 

Tags

NGSS.MS-PS4-1

Sound waves are NOT___________________________.

• EM Waves
• Waves
• Mechanical Waves
• Compression

EM waves ________ a medium.

• require
• don't require
• can have
• sometimes have

Tags

NGSS.MS-PS4-1

Which of these provides the best explanation for why the pencil appears broken?

• The pencil absorbs the light rays that hit it.

• Water reflects light rays away from the pencil.

• Light rays are bent by the water in the glass.

• The surface of the water reflects the light rays.

At what point is the laser being reflected?

• A

• B

• C

• D

Which illustration best shows light being refracted?

• 
• 
• 
•