1st Nine Weeks Review 2021-2022 (Waves & Earth History)

A wave carries...?

• energy only
• matter only
• the matter carries the energy
• neither

The lowest part of the wave is?

• trough
• crest
• point of origin
• compression point

The highest point of a wave is?

• crest
• trough
• point of origin
• comppression point

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

• rarefaction
• refraction
• reflection
• diffraction

Amplitude reflects the amount of ____________________ in a wave.

• energy
• compression
• rarefaction
• speed

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

• amplitude
• wavelength
• frequency
• compression

Sound is caused by? 

• force
• vibrations
• instruments
• medium

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

• Amplitude
• Pitch
• Volume
• Echo

How does a sound wave interact with a human ear?

• vibrates the ear drum
• bounces off the ear canal
• rotates the ear drum
• vibrates the ear canal