Earth's Layers Vocab Test

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Across
  1. 3. The liquid outer layer of the core; made of liquid iron and nickel.
  2. 4. When two tectonic plates move apart and create rift valleys
  3. 6. a zone in the lithosphere that is being pulled apart
  4. 9. The fastest wave; travels through solids and liquids; moves back and forth.
  5. 10. the outermost part of the earth, including both the crust and upper mantle.
  6. 11. The rocky outer layer of the Earth; the layer of the Earth above the mantle.
  7. 12. When two tectonic plates rub up next to each other and cause earthquakes
  8. 14. A supercontinent thousands of years ago that included all of the continents on Earth.
  9. 15. Broken pieces made of the Earth's crust that move to create landmasses like mountains, valleys, and earthquakes
Down
  1. 1. When two tectonic plates come together and form mountains or volcanoes
  2. 2. The downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
  3. 5. the layer of the Earth between the crust and the core.
  4. 7. Moves up and down or side to side; travels only through solids
  5. 8. The solid inner layer of the core. Lies at the center of the Earth
  6. 13. Cracks in the earth's crust where there is movement