Topic Reviews:
1.0: Our knowledge about light and vision comes from explanations, inventions, and investigations.
2.0: Light behaves in predictable ways.
3.0: Light is part of the electromagnetic spectrum and travels in waves. (extension material)
4.0: Eyes and cameras capture images using the properties of light.
Final Practice, Unit Practice Test
NeoK12 (videos are free)
Light Science for Kids (lots of links)