There are different forms of energy, such as:

Energy cannot be created or destroyed, though it can be transferred from one form to another. This is rather like money which, when spent, does not vanish but goes somewhere else!

For example, energy is changed from one form to another every time your climb the stairs of hit a tennis ball or dig the garden...


Energy chains
The Law of Conservation of Energy, Fuels, Fossil fuels
Generation of Electricity
Examples of renewable resources
Energy and force
Energy reference material, Self assessment questions