Source and Form of Energy

Energy

Is the ability to do work

Examples of energy sources

Sun, water, biomass, wind, nuclear, fossil fuel & waves

Biomass

Substances from plants or animals' faeces used to produce fuel and generate electricity

The use of blowing wind

Blowing wind rotates the windmill to generate electricity

Examples of fossil fuels

Petroleum, natural gas & coal

Forms of energy

Solar energy, heat energy, light energy, sound energy, electrical energy, chemical energy, potential energy, kinetic energy and nuclear energy

Chemical energy

The energy stored in substances such as food, fossil fuel, biomass or batteries

Potential energy

Energy stored in objects that are at a certain height, that are stretched or compressed

Transformation of energy when switching on a television

Electrical energy → Light energy + sound energy

The property of energy

Energy cannot be created or destroyed but can be transformed