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Life as we know it exists because of energy transfers and transformations that happen all around us. There are three types of thermal energy.
Energy can be changed. There are electrical, light, sound, thermal, and potential energy sources. Light and electrical energy are related. Sound and electrical energy can change.
Energy can be different from form to form. When you switch on a light, the electrical energy changes into thermal and light energy. The chemical bonds of gasoline are changed by a car. The Sun’s energy is absorbed by plant cells.
There are six basic forms of energy. You may find more forms in other research. Many forms are combinations of the basic categories.
Energy can change from one form to another, like when the energy from your foot is transferred to a soccer ball. Chemical energy is transformed into electrical energy when a battery is used to power a device.
How does energy change? Energy is changed when something happens. When you climb the stairs, the chemical energy in your food is changed into energy by your muscles. The amount of energy is measured.