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energy is:
The capacity to do work.
unit of energy?
Joule (J)
renewable resource?
A resource that can be replaced naturally.
a Non-Renewable resource?
A resource that will run out.
Name Renewable resources.
solar,wind,hydroelectric,geothermal,wave,tidal
Name non-renewable resources
Fossil fuels (coal,oil,natural gas)
Nuclear fuels (uranium)
Gravitational energy store
Energy stored when something is lifted up high
Elastic store
energy stored when something is stretched or squashed
Thermal store
Energy stored when an object is heated
Chemical store
energy stored in substances
Magnetic store
Energy stored in magnetic fields
Electrostatic store
Energy stored due to electric changes
Nuclear
Energy stored in the nucleus of atoms
Kinetic emergy
Energy due to motion
Heat transfers;
Conduction,Convection,Radiation
Conduction (heat transfer)
Attraction or electricity (solids)
Convection(heat transfer)
transfer of heat (liquids and gases)
Radiation (heat transfer)
Transfer of infrared waves
Energy transfers;
Mechanical,Electrical,Heating,Radiation
Mechanical transfer;
by forces moving an object
Electrical transfer
movement of current (flow of electric charge)
Heating transfer;
due to temp difference (conduction/convection)
Radiation transfer;
From waves like sound,light.