Earth's Internal Heat Sources

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Across
  1. 1. this will happen if heat is not properly distributed
  2. 4. increases when a person descends into Earth's interior
  3. 6. formed the earliest stage of Earth
  4. 8. can influence the distribution of radiogenic heat in the soil
  5. 9. mixture of molten and semi-molten rock found beneath the surface of the Earth.
  6. 12. solid portion of the Earth
  7. 13. the process of transferring heat through air or liquid currents
  8. 14. involves a person
Down
  1. 2. iron and nickel combined
  2. 3. considered as a thermal engine
  3. 5. process of heat between sun and earth
  4. 7. attracted by gravitational energy
  5. 10. trench
  6. 11. good insulators because heat energy can’t flow through them.
  7. 15. this is where heat is released