Geothermal energy

• Geothermal energy - the heat produced from deep beneath the surface
• The word Geothermal comes from the greek word "geo" meaning Earth, and "therme" meaning heat
• Geothermal

  • energy can be harnessed from volcanoes
  • limitless source of power
• Magma - underneath volcanoes holds tremendous thermal energy
• Heat from the magma - can be used to heat water and produce steam in power plants on the surface
• Steam - pressurized and then spins a generator that makes electricity
• Hot water - used for heating buildings