When light changes speed and direction as they pass from one medium to another

• Refraction
• Reflection

• Absorption

• Diffusion

Light does not pass through or reflect off material, remains as energy

• Refraction

• Reflection

• Absorption

• Diffusion

The matter through which all mechanical waves travel

An area containing little to no matter

If energy increases the Amplitude will...

• Increase
• Decrease

The highest point of the wave

• Wavelength

• Rest Position

• Trough

• Crest

The height of a wave from rest position

• Amplitude
• Wavelength

• Distance

• Strength

Distance from one wave to the next

• Amplitude

• Wavelength

• Power

• Strength

True or False: Light travels slower than sound through air

• True

• False

What kind of matter does sound travel through fastest?

• Solid
• Liquid

• Gas