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chemical energy
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7I Energy @ AJHS NZ

Energy exploring science

QuestionAnswer
chemical energy The kind of energy stored in chemicals. Food, fuels and cells (batteries) all contain chemical energy.
coal A fossil fuel made from the remains of plants.
electrical energy The kind of energy carried by electricity.
fossil A dead organism that has been trapped in mud and whose body has not completely rotted away.
fossil fuels Coal, oil and natural gas – all fuels that were formed from the remains of dead plants and animals.
fuel Anything that stores energy that can be converted into heat energy – includes fossil fuels and nuclear fuel.
generate Make electricity by turning a magnet inside coils of wire.
heat energy The hotter something is, the more heat energy it has.
kinetic energy The kind of energy in moving things.
law of conservation of energy The idea that energy can never be created or destroyed, only changed from one form into another.
light energy The kind of energy given out by light bulbs, candles, etc.
natural gas Fossil fuel formed from the remains of dead plants and animals that lived in the sea.
nuclear energy Energy stored inside the particles that things are made out of.
oil Fossil fuel formed from the remains of dead plants and animals that lived in the sea.
sound energy The kind of energy made by anything that is making a noise.
uranium A fuel used in nuclear power stations.
non-renewable energy resource Any energy resource that will run out and we cannot renew our supplies of it (e.g. oil).
alternative energy resources Another name for renewable energy resources.
biomass Any fuel that comes from plants, animals, or their wastes (e.g. wood, methane from rotting plants, etc.).
generator Large coil of wire with a magnet inside. When the magnet is turned, electricity is produced in the coil of wire.
geothermal power Making electricity using heat from hot rocks underground.
hydroelectric power Making electricity by letting falling water (usually from a reservoir) turn turbines and generators.
nuclear energy Energy stored inside the particles that things are made out of.
radiation Dangerous particles and energy given off by uranium and other radioactive materials.
renewable energy resource An energy resource that will never run out (e.g. solar power).
solar cells Flat plates that convert light energy into electrical energy.
solar panels Flat plates that use the Sun's energy to heat water.
solar power Making electricity by using light or heat energy from the Sun.
turbine The machine in a power station that is pushed round by water or steam and turns the generator.
uranium A fuel used in nuclear power stations.
wind turbine A kind of windmill that generates electricity using energy from the wind.
joule (J) The unit for measuring energy.
kilojoule (kJ) There are 1000 joules in 1 kilojoule.
convection current A flow of liquid or gas caused by part of it being heated or cooled more than the rest.
geothermal power Making electricity using heat from hot rocks underground.
hydroelectric power Making electricity by letting falling water (usually from a reservoir) turn turbines and generators.
nuclear power Making electricity by using the nuclear energy stored inside uranium.
photosynthesis Process that plants use to make their own food. It needs light to work. Carbon dioxide and water are used up. Food (a sugar called glucose) and oxygen are produced).
tidal power Making electricity using the moving (kinetic) energy from the tides.
Created by: johncl
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