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A coal-fired power station generates electricity. Coal is burnt and the energy released is used to boil water. The steam from the water makes the generator move and this produces electricity. What energy stored in coal?
Chemical Potential Energy
A coal-fired power station generates electricity. Coal is burnt and the energy released is used to boil water. The steam from the water makes the generator move and this produces electricity. What energy in moving generator?
Kinetic Energy
A skier walks from the bottom of a ski slope to the top and gains 10 000 J of gravitational potential energy. She skis down the slope. At the bottom of the slope, her kinetic energy is 2000 J. How much energy is dissipated?
80000 J or 80 kJ
A device that moves a magnet near a wire to create a steady flow of electrons
Generator
The ability to do work.
Energy
An energy source formed from the decomposition of dead organisms.
Fossil Fuel
One of the particles found in an atom.
Electron or Proton or Neutron
A resource that can be replaced or replenished at a rate equal to or faster than the rate at which it is used.
Renewable resource
A material whose atoms do not transfer, or “share,” electrons easily.
Insulator
The basic unit of matter.
Atom
A material whose atoms transfer, or “share,” electrons easily with other atoms.
Conductor
A resource that exists in finite amounts on our planet and cannot be replenished
Non-Renewable source/energy
A measurement of the amount of power an electrical current has.
Watt
What charge does an electron have?
Negative
The amount of energy used by devices in your home in a month is measured in
kWh
What energy source production method produces the most air pollution?
Coal Energy
