Geothermal

• What is geothermal energy?

  Thermal energy generated and stored in the earth
• How does geothermal energy originate?

  From the planet's formation and radioactive decay
• What natural feature is heated by geothermal energy?

  Hot springs
• How can geothermal energy be used directly?

  For heating homes
• What is the cheaper method of using geothermal energy?

  Direct heating of water
• What process is involved in generating electricity from geothermal energy?

  Water is heated to steam, turning turbines
• Where can geothermal energy be used effectively?

  In volcanic regions
• What is a drawback of geothermal power plants?

  They can be expensive to build
• What is an environmental benefit of geothermal energy?

  It produces no pollutants like carbon dioxide
• Why is geothermal energy considered renewable?

  It is continuously replenished by the earth
• How does geothermal energy impact the environment during operation?

  It damages the environment very slightly
• What is the reliability of geothermal energy over time?

  It is reliable over long periods