Chapter 5 Vocabulary

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Across
  1. 3. magma that reaches the surface
  2. 5. a long chain of mountains on the seafloor
  3. 8. the supercontinent where all landmasses were joined together 300 million years ago
  4. 9. the transfer of heat between touching materials
  5. 10. at a ___ boundary, plates pull apart
  6. 11. at a ___ boundary, plates slide past each other
  7. 14. the theory that all continents were once grouped together and have since drifted apart
  8. 15. at a ___ boundary, plates come together
Down
  1. 1. a mountain that forms in Earth's crust when molten material reaches the surface
  2. 2. heat transfer through electromagnetic waves
  3. 4. an area where material from deep within Earth's mantle rises through the crust and forms magma
  4. 5. a molten mixture of rock-forming substances, gases, and water from the mantle
  5. 6. heat transfer through movement of a fluid
  6. 7. a break in Earth's crust where rocks slip past each other
  7. 10. the measure of how much mass there is in an object's given volume
  8. 12. the process by which ocean crust sinks beneath a deep-ocean trench and into the mantle
  9. 13. the major pieces that divide Earth's crust