Waves Unit Review

A wavelength is measured from...

• crest to trough

• by the frequency

• crest to crest

• by the amplitude

Waves where particles of a medium are perpendicular to the wave are called...

• sound waves

• longitudinal waves

• radiation waves

• transverse waves

This is the only range of light wavelengths that your eyes can see.

• visible light

• microwaves

• x-rays

• gamma rays

Why do you see lightning from a distant storm before you hear the thunder?

• Thunder is produced after the lightning.

• Sound travels faster than light.

• Light travels faster than sound.

• Your eyes react faster than your ears.

A high energy wave has a...

• low wavelength

• low amplitude

• high amplitude

• gamma rays

In general, what type of material does sound travel the fastest through?

• solids

• liquids

• gasses

• plasma

In this picture of longitudinal waves, compression means...

• Air molecules are far apart.

• Air molecules are pressed together.

• Air molecules are moving quickly.

• Air molecules are moving slowly.

What does longitudinal mean?

• Air particles move in the SAME direction as the sound wave.

• Air moves perpendicular to the direction of the sound wave

• transverse wave

• electromagnetic

What color best absorbs sunlight and makes you feel warm?

• Blue

• White

• Black

• Green

What color best reflects sunlight and keeps you cool?

• Blue

• Black

• Green

• White