Types+of+NRG+by+Professor+Wo

Solar energy is energy from the sun! It is also renewable! Solar energy needs a solar panel and the solar panel needs a solar converter. Wind energy is the sun heats the earth's surface and the air above it. The air becomes lighter compared to other air, as it gets warmer. This causes the warmer air to rise and cooler air to move in to take its place. WInd can't be felt! Biomass is agricultural waste, which can be burned to produce energy or converted into a gas and used as a fuel. Hydroelectricity is flowing water through tunnels that contain turbines. The force of the water turns the turbines to drive electricity generators. The movement of water at sea and at the mouths of rivers can be used to turn turbines that generate electricity. Coal is a fossil fuel formed from plant remains over very long periods of time. Oil is a liquid fossil fuel, which scientists believe formed millions of years ago underground by natural processes. Oil has become one of the main sources of energy for transport. Nuclear energy is from a atom core or 'nucleus'. The atom is split or nuclear fission then the nuclear fission releases immense amounts of heat. This heat can be used to turn water into steam to drive turbines that generate electricity. Electricity is a form of energy created when particles called electrons flow from place to place. An electrical charge refers to when these electrons build-up on an object but can't flow further. This can be given out as static electricity if touched by another object that can conduct electricity. Chemical energy is divided into two types of energy - stored (potential) energy and working (kinetic) energy. For example, the food you eat contains chemical energy, and your body stores this energy until you release it when you work or play. Mechanical energy has a page on the left hand side! Sound are waves travelling in the air. Sound is made of air vibrating as the sound wave passes. The speed of sound is 1,236 kilometers per hour.
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