Natural Science (Energy)

2. It is produced by the sun and is very important for the biosphere.
6. This energy does not pollute, but it does affect the habitats of aquatic species.
7. This can be seen in a wind farm and it transforms mechanical to electrical energy.
10. Energy cannot be created or destroyed but it can be changed.
11. Energy made by vibrations.
15. A type of renewable energy that comes from the heat of the Earth’s surface.
18. Nuclear power stations is dangerous because it releases a certain type of waste that harms both humans and the environment.
19. The sum of potential and kinetic energy that is used to do work.

1. This is stored energy which is released when a chemical reaction takes place.
3. Non-renewable energy is found in the form of fossil fuels. This is a type of fossil fuel.
4. Solar energy is light from the sun. It can be transformed into electrical energy using a tool.
5. A type of energy source that will never ran out, doesn’t cause pollution and are not harmful to the environment.
6. The result of movement of tiny particles within an object.
8. It is an energy to power machines because it can be transformed into many different forms.
9. Energy that is stored in objects. When this energy is released, it can do work.
12. This is a non-renewable energy source that was formed millions of years ago.
13. Energy source that can’t be replaced once used up.
14. Burning of fossil fuels is bad for the environment because it contributes to global warming and causes a certain type of pollution.
16. A way to use trees, plants and rubbish to make energy.
17. Energy produced when an object moves.