Bradford: Geothermal Energy: Clean Energy

Anonymous
From Earth Science Power Knowledge
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Full list of words from this list:

words only definitions & notes
  1. geothermal
    of or relating to the heat in the interior of the earth
    It is warmer deeper under ground, thanks to Earth’s geothermal energy.
  2. heat pump
    apparatus that extracts heat from a liquid that is at a higher temperature than its surroundings; can be used to transfer heat from a reservoir outside in order to heat a building
    We use energy from the crust for geothermal energy systems called geothermal heat pumps.
  3. magma
    molten rock in the earth's crust
    The mantle has melted rocks, called magma.
  4. hot spring
    a natural spring of water at a temperature of 70 F or above
    When water reaches Earth’s crust, or outside layer, it causes hot springs and geysers.
  5. geyser
    a spring that discharges hot water and steam
    When water reaches Earth’s crust, or outside layer, it causes hot springs and geysers.
  6. pollute
    contaminate; make impure
    We do not pollute when we use it.
  7. layer
    a single thickness of some substance or material
    Earth has three layers.
  8. core
    the center of an object
    They are the crust, mantle, and core.
  9. renewable
    capable of being replaced
    Geothermal energy is also renewable.
  10. energy
    forceful exertion
    It is warmer deeper under ground, thanks to Earth’s geothermal energy.
  11. generate
    bring into existence
    Much of Earth’s heat is generated in the core and flows out to the mantle, Earth’s middle layer.
  12. electricity
    a physical phenomenon that can produce light, heat and power
    People use geothermal energy to heat or cool buildings and to make electricity.
  13. temperature
    the degree of hotness or coldness of a body or environment
    If you dug even deeper, you would find the temperature getting warmer and warmer.
Created on Thu Jun 13 10:26:46 EDT 2013 (updated Thu Jun 13 10:31:05 EDT 2013)

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