Plate Tectonics

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Across
  1. 2. Cracks in Earth’s crust where movement happens.
  2. 5. The breaking down of rocks into smaller pieces.
  3. 8. The dropping off of sediments in a new location.
  4. 9. Boundary A place where two tectonic plates move away from each other.
  5. 12. Molten rock beneath Earth’s surface.
  6. 15. The surface location directly above the focus of an earthquake.
  7. 18. Boundary A place where two tectonic plates collide.
  8. 19. Core The liquid layer of Earth’s core.
  9. 20. The movement of one tectonic plate under another.
Down
  1. 1. The underground origin point of an earthquake.
  2. 3. Boundary A place where plates slide past each other horizontally.
  3. 4. A thick layer of hot, semi-solid rock beneath the crust that slowly flows.
  4. 6. Molten rock that flows on Earth’s surface.
  5. 7. A sudden release of energy in Earth’s crust.
  6. 10. Tectonics The theory that Earth’s surface is divided into moving plates.
  7. 11. An opening in Earth’s crust where magma, gas, and ash escape.
  8. 13. The central part of Earth, made mostly of iron and nickel.
  9. 14. Plates Massive sections of Earth’s crust that move slowly over time.
  10. 16. Core The solid, extremely hot center of Earth.
  11. 17. The movement of rock and soil from one place to another.
  12. 18. The thin, solid outer layer of Earth.