miércoles, 30 de agosto de 2017

energy in the world

energy is the ability to work. all things in the wolrd have energy. also with need energy to move. energy can be stored or in movement. electrical energy is an example of a light bulb. the fire has heat energy. when you do force you are working with your muscular energy. sunglight is an example of solar energy. energy can move water, that is called hydel energy. windmills produce electricity , that electricity works by the wind and is called wind energy. we don´t see energy but energy is in all parts of the world. if you move , you are giving a force that is energy. streching a rubber band has potential energy, that is energy store

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