Tectonic activity keywords

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Across
  1. 3. Earth’s outermost solid layer, made of rock, it includes both the land we live on and the ocean floor
  2. 6. a set of interacting parts forming a complex whole
  3. 10. any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out on the surface of Earth
  4. 12. the place where two plates meet
  5. 14. the solid, dense centre of Earth made mostly of iron and nickel. It is the hottest layer, found beneath the outer core
  6. 15. how often or fast something happens
  7. 16. to examine in detail for a purpose
  8. 17. plates moving apart in different directions
Down
  1. 1. the sudden pushing out of something, such as lava from a volcano
  2. 2. a sudden shaking of Earth's surface
  3. 4. a long, deep indentation in the ocean floor formed when two plates move together
  4. 5. the layer of soft, solid rock underneath Earth's plates
  5. 6. the outside or top layer of something
  6. 7. any of Earth's main continuous areas of land, such as Africa, Asia, and North America
  7. 8. plates moving towards each other
  8. 9. hot liquid rock below the surface of Earth
  9. 11. evidence of life from the past, such as old bones, footprints, or leaf prints
  10. 13. hot liquid rock on the surface of Earth