There are several forms of energy, among others: chemical energy, electrical energy, thermal energy, mechanical energy, light energy, energy of motion, sound energy, nuclear energy, spring energy.
Energy changes form.
A battery batteries if we link the poles with a wire kaan generate electrical energy. If we connect the wires to the incandescent bulbs will light the lamp. of the above activities can we uurutkan benuk change energy is chemical energy into electrical energy transformed into light energy.