Geothermal

Cards (14)

  • What is geothermal energy?
    Thermal energy generated and stored in the earth's crust
  • Where does the heat energy in geothermal energy originate from?
    From the initial formation of the planet and radioactive decay of materials
  • What type of energy heats hot springs around the world?
    Geothermal energy
  • How can geothermal energy be used?
    Either directly for heat or to generate electricity
  • What is the cheaper method of using geothermal energy?
    Using it directly for heat
  • Describe the process of using geothermal energy for heating.
    Pumping water down into the ground, allowing it to warm up, then pumping it back up
  • How is electricity generated from geothermal energy?
    Water is heated underground until it turns to steam, which drives turbines
  • What is required for geothermal energy generation?
    Hot rocks near the surface in volcanic regions
  • What is a disadvantage of geothermal power plants?
    They can be quite expensive to build
  • What is an environmental benefit of geothermal energy?
    It damages the environment very slightly during installation
  • What pollutants does geothermal energy produce while running?
    It does not produce pollutants like carbon dioxide
  • Is geothermal energy a renewable resource?
    Yes, it is a renewable resource
  • How reliable is geothermal energy over time?
    It is reliable over long periods
  • What are the pros and cons of geothermal energy?
    Pros:
    • Renewable resource
    • Low environmental impact during operation
    • Reliable over long periods

    Cons:
    • Limited to certain geographical areas
    • High initial construction costs