Interactions of light
reflection, absorption, refraction, and scattering.
Absorption
When light energy is transformed into heat energy in the material it is hitting.
Refraction
The speed of light in a vacuum is constant at 300,000,000 m/s
the speed slows down when it passes through a medium.
Light changes direction when it changes medium
this change in direction or change in angle is known as refraction.
Scattering
A scattering of light happens when light travel out out in many different direction as it passes through a medium.
example-the sky