The sun is our main source of light is the sun it is used so we can see our surroundings. We also have lots of other ways to recive light e.g. lamps, torches, candles and headlights on cars.
Light is a type of energy. It is everywhere. We need it to see. It is very important because it carries information to our and eyes ant to our brain.
Lots of things reflect light here are some...
-Spoon/Knife/fork
-Mirror
-Glass bottle
How are shadows formed?
A shadow is formed by a light or the sun hitting an opaque object which light can't travel through so then it casts a shadow.
Objects that allow light to pass through are called transparent here are a few...
-Windows
-Glass cups
-Class
-Lenses on glasses
Opaque things are..
- a book
- a bowl
- a box
- a bag