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Energy - Coggle Diagram
Energy
Types of energy
Heat energy
Uses: to make something hot, keep living things alive
Sources: Sun, electrical appliances, burning fuels, frictiom
Light energy
Uses: Photosynthesis, enabling animals to see
Keywords: Give off light, reflect light
Properties of some stuff: opaque, tranlusent, transparent
Sound energy
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Some stuff: Sound needs medium to travel through(solids, liquids, gas, but never in a vacuum), possessed by vibrating objects
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Kinetic energy
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Some stuff: more speed/more mass = more energy, not moving = no energy
Electrical energy
Keywords: flows through wires, stored in batteries/solar cells
Some stuff: Can be easily changed to other forms of energy(light, heat, sound)
Sources of energy
Renewable sources
Sun
Keywords: Solar energy, primary source of light, heat energy
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Wind
Keywords: kinetic energy, wind turbines
Running water
Comes from: rivers, streams, waterfalls
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Non-renewable sources
Fossil fuels
Keywords: Chemical potential energy, coal, oil, natural gas
Uses: Cooking, running vehicles
Energy in food
Plants
Keywords: Photosynthesis, chlorophyll, capture light energy, stomata, starch
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Law of conservation of energy: energy can be neither created nor destroyed. To say energy is made by an object is wrong. Energy can only be possessed, transfered and converted.