miércoles, 25 de enero de 2012

ENERGY

Energy is the ability to do work.

Moving, lifting, heating and lighting are examples of work.

We use energy to light our cities, heat our homes, move our cars, cook our food, play our music and give us pictures on television.

Energy from the Sun gives us light and heat.

When we eat, our bodies transform the energy stored in our food into energy to do work.

Everything we do is connected with energy in one form or another.

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