In a longitudinal wave, when the coils move apart is:

• compression
• rarefaction
• refraction
• reflection

If frequency INCREASES, the wavelength will: 

• Increase
• Stay the same
• Stop
• Decrease

_____is a repeated back and forth or up and down motion

• wave
• vibration
• Energy
• Rarefaction 

A ____is a tool that refracts white light into colors. 

• Magnifying glass
• Convex lens
• Telescope
• Prism

_If light passes through an object, the light is ____

• transmitted
• absorbed
• reflected
• refracted 

_____ occurs when light does not pass through a medium and becomes warmer. 

• Absorption
• Reflection
• Refraction
• Transmission

A wave transfers matter from one place to another 

• True
• False

A toy boat bobbing up and down is showing a ___ wave. 

• Longitudinal
• Transverse
• Seismic
• Compressional 

If a light wave coming from the sun hits our atmosphere, it's ___ will change. 

• Size
• Shape
• Speed
• Structure

Frequency is the number of waves that: 

• Pass a point 
• Pass a point and change size
• Pass a point in a certain amount of time
• Pass a point and stop