crossword puzzle

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Across
  1. 3. A location where magma rises from deep within the Earth and can cause volcanic activity, often in the middle of a tectonic plate.
  2. 4. any of Earth’s main continuous areas of land, such as Africa, Asia, and North America
  3. 10. that move toward the same place
  4. 12. Drift: The gradual movement of continents across the Earth’s surface over geological time.
  5. 14. a diagram that shows what the inside of something looks like
  6. 17. water
  7. 18. activity: any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out on the surface of the Earth
  8. 23. the sudden pushing out of something, such as lava from a volcano
  9. 25. Currents: The movement of fluid in the mantle caused by the heat from the Earth's core, driving plate tectonics.
  10. 28. the outside or top layer of something
  11. 29. how often or fast something happens
  12. 30. boundary: the place where two plates meet
  13. 31. a long, deep indentation in the ocean floor formed when two plates move together
Down
  1. 1. hot liquid rock on the surface of Earth
  2. 2. a set of interacting parts forming a complex whole
  3. 5. A large sea wave caused by an underwater earthquake, volcanic eruption, or landslide.
  4. 6. moving apart in different directions
  5. 7. hot liquid rock below the surface of Earth
  6. 8. ridge: an underwater mountain range formed when two plates move apart
  7. 9. Spreading: The process by which new oceanic crust is formed at mid-ocean ridges and slowly moves away from the ridge.
  8. 11. where two of the tectonic plates slide alongside each other.
  9. 13. the slow pulling apart of land that is caused by plate movement
  10. 15. when an oceanic plate runs into a continental plate and slides beneath it
  11. 16. the layer of soft, solid rock underneath Earth’s plates
  12. 19. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
  13. 20. The rigid outer layer of the Earth, including the crust and the upper mantle, which is broken into tectonic plates.
  14. 21. layer: Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation,
  15. 22. a sudden shaking of Earth’s surface
  16. 24. Plates: Large slabs of Earth’s lithosphere that move over the mantle.
  17. 26. one of the very large sections of hard, solid rock that make up Earth’s outer layer
  18. 27. Line: A crack in the Earth's crust, typically associated with plate boundaries.
  19. 28. Waves: Waves of energy that travel through the Earth as a result of an earthquake.