unit 6

unit 6

1. energy

   • solar energy (comes from Sun)
   • Wind energy (comes from wind)
   • hydropower energy (comes from moving water)

2. Non-renewable sources of energy

   • it is going to disappear
   • it is bad for the environment
   • you can use this energy once

3. renewable energy sources

   • you can use them again and again
   • they are good the environment

4. What happens white hight when it passes through a prism

   • the prism separate the colours

5. a banana looks yellow because it absorbs all colours except yellow