Tuesday, October 20, 2009

What is the relationshipe between matter and energy?

Matter is the material which makes up all things on Earth. Energy is simply the capacity for doing work. Matter comes in three states - solids, liquids and gases, and energy comes in many forms too. The most common forms of energy are kinetic energy and potential energy. Kinetic Energy is energy due to motion, and potential energy is the energy that is stored in an object that can be converted into kinetic energy.

Scientists now think that matter is formed as a result of the 'freezing' of energy. They believe that the particles that make up matter began to form out of some of the energy, when the Universe became cooler, after the 'birth' of the Universe.

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