Objectives covered in this unit:
- I can explain that I need light in order to see things and that dark is the absence of light.
- I can show that light is reflected from surfaces.
- I can explain that light from the sun can be dangerous and that there are ways to protect eyes.
- I can show how shadows are formed when the light from a light source is blocked by a solid object.
- I can show that there are patterns in the way that the size of shadows change.