Energy is converted from one form to another but can not be created nor destroyed.
Following the principle of energy conversion, energy is neither created nor destroyed but is converted from one form to another. Therefore, for the skier, the kinetic energy being used to move her up the hill is stored in her by her position.
The energy possessed by a body in motion is kinetic energy. This is a type of mechanical energy hence mechanical energy is used in moving things.
The atom is the greatest store of energy in the world. The energy contained in the nucleus of the atom is called nuclear energy. The energy released when an atom is split or fused is called nuclear energy.
The type of energy is the energy that travels through matter in vibrations is called sound energy. The type of energy involved in the movement of electrons is mechanical energy.
The source of all energy on earth is the sun. The sun is the source from which energy enters the ecosystem. The burning match represents thermal energy.
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