ENERGY

We need energy for everything we do.

There are many different forms of energy:

• Electrical energy is the energy that makes machines in our homes work.

• Thermal energy is energy caused by heat. The sun produces lots of it.

• Light energy is energy form light sources, such as a light bulb or the Sun.

• Kinetic energy is the energy in moving objects.

• Chemical energy is energy stored in food, fuel and batteries.

• Nuclear energy is energy found inside substances such as uranium. 

Energy, our best friend

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What is energy?

http://www.wikisaber.es/Contenidos/LObjects/what_is_energy_en/index.html  

Forms of energy

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