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7I Energy

Key words

Balanced diet Eating a variety of foods
Diet The food you eat
Energy Something that allows movement or change
Joule Unit for energy (J)
Kilojoule 1000 J
Nutrient Substance needed in the diet
Atomic energy Energy stored inside of atoms (nuclear energy)
Chemical energy Energy stored in bonds between atoms
Elastic potential energy Energy stored in stretch or shape (strain energy)
Gravitational potential energy Energy stored in height
Kinetic energy Energy stored in moving objects
Law of conservation of energy Energy cannot be created nor destroyed, but transferred
Biofuel Fuel made from animal or plant material
Coal Fossil fuel from remains of plants (solid)
Oil Fossil fuel from remains of plants and animals (liquid)
Natural gas Fossil fuel from remains of plants and animals (gas)
Electricity Energy stored in moving electrons
Fossil Remains of plants and animals preserved using in sedimentary rock
Fuel Storage of energy that is easy to access
Fuel cell A machine that combines hydrogen and oxygen gases to produce electricity
Non-renewable An energy resource that will run out
Renewable An energy resource that will not run out
Uranium A radioactive element used as a nuclear fuel
Geothermal power Generating electricity from the heat of underground rocks
Hydroelectric power Generating electricity from the movement of falling water
Photosynthesis Process where plants convert light energy to food
Solar cell Panels that convert light energy to electricity directly
Solar panel Panel that heats water from the Sun’s heat
Solar power station Uses solar panels to create steam to generate electricity
Wind turbine Generating electricity from wind
Climate change Changes in weather patterns due to global warming
Efficiency Description of how much waste is created
Created by: andrewweng0406