S8P4a. Intro to Waves Review

What does point C represent?

• Amplitude

• Trough

• Crest

• Wavelength

What does point A represent?

• Amplitude

• Wavelength

• Crest

• Trough

Waves move ___ through vibrations

• Energy
• Matter
• Mass
• Weight

Compression means.....

• Far apart
• Close together
• Complicated
• Stretch

In the diagram of a compressional wave, A is showing a ___ while B is showing a ___.

• compression, rarefaction

• trough, crest

• rarefaction, compression

• crest, trough

Waves that can travel through empty space are called _____ waves. Waves that require a medium to travel, such as air or water, are called _____ waves.

• mechanical, electromagnetic

• electromagnetic, mechanical

• crest, trough

• compressional, rarefactional

In a longitudinal wave, a ____ is an area where the particles are spread apart and a ____ is an area where the particles are close together.

• crest, trough

• compression, rarefaction

• rarefaction, compression

• trough, crest

Examples of _____ waves include sound waves and earthquake P-waves.

• transverse

• longitudinal

Examples of this type of waves include water waves, waves on a string/jump rope, and light waves.

• transverse

• longitudinal

How do electromagnetic and mechanical waves compare?

• Mechanical waves can only travel through a vacuum, but electromagnetic waves can travel through a solid, liquid, or gas.

• Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a gas.

• Mechanical waves can only travel through a solid, liquid, or gas, but electromagnetic waves can travel through a vacuum.

• Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a solid.