renewable energy resources

• give uses of energy resources

  transport, heating and electricity generation
• describe renewable energy sources

  replenishable
• give renewable energy sources

  solar, wind, geothermal, hydroelectric, wave and biofuel
• describe solar energy resource

  generates electricity from direct sunlight through solar cells
• describe wind energy resource

  wind rotates blades of generator to generate electricity
• describe geothermal energy resource

  thermal energy stored in earth crust to generate electricity or direct heating
• describe hydroelectric energy resource

  falling water rotates blades of generator to generate electricity
• describe wave energy resource

  waves rotate blades of generator to generate electricity
• describe biofuel energy resource

  burning of organic matter
• give advantages of renewable energy resource

  infinite, no or less pollutants released and low running costs
• give disadvantages of renewable energy resources

  unreliable, loss of land, ugly appearance and high initial cost