Chapter 5 Crossword Puzzle

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Across
  1. 4. the transfer of thermal energy from one particle of matter to another
  2. 5. the preserved remains or traces of an organism that lived in the past
  3. 8. the measurement of how much mass is contained in a given volume
  4. 10. a section of the lithosphere that slowly moves over asthenospherem carrying pieces of continental and oceanic crust.
  5. 11. molten mixture of rock forming substances, gases, and water from the mantle.
  6. 12. a weak spot in the crust where magma has come to the surface
  7. 16. boundary a plate boundary hwere two plates away from each other
  8. 18. current the movement of a fluid caused by difference in temperature that transfers heat from one part of a fluid to another
Down
  1. 1. the process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle as a convergent boundary.
  2. 2. drift the hypothesis that the continents slowly move across the Earth's surface
  3. 3. ridge an undersean mountain chain wher new ocean floor is produced; a divergent plate boundary under the ocean
  4. 6. of fire a major belt of volcanoes tht rims the Pacific Ocean
  5. 7. spot an area where magma from deep within the mantle melts through the crust above it
  6. 8. ocean trench a deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.
  7. 9. liquid magma that reaches the surface
  8. 10. the name of the single landmass that began to break apart woo million years ago and gave rise to today's continents.
  9. 13. the transfer of energy by electromagnetic waves
  10. 14. spreading the process by which molten material adds new oceanic crust to the ocean floor.
  11. 15. the transfer of thermal energy by movement of a fluid
  12. 17. arc a string of volcanoes that form as the result of subduction of one oeceanic plate benearthha second oceanic plate