Earth

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Across
  1. 7. The process by which soil and rock particles are worn away and moved by gravity, water, or wind.
  2. 9. Waves: Vibrations that travel through Earth carrying the energy released during an earthquake.
  3. 10. The soft, plastic-like layer of the mantle upon which tectonic plates move.
  4. 11. Boundary: A tectonic boundary where two plates are moving away from each other.
  5. 12. Rock: Rock that has been changed by extreme heat and pressure.
  6. 14. The process where one tectonic plate sinks beneath another into the mantle.
  7. 15. Rock: Rock formed by the accumulation and compression of mineral and organic particles.
Down
  1. 1. Boundary: A boundary where plates slide past one another horizontally.
  2. 2. The rigid outer part of the earth, consisting of the crust and upper mantle.
  3. 3. Rock: Rock formed through the cooling and solidification of magma or lava.
  4. 4. The settling of eroded material in a new location.
  5. 5. Tectonics: The theory that Earth's outer shell is divided into several plates that glide over the mantle.
  6. 6. Boundary: A tectonic boundary where two plates are moving toward each other.
  7. 8. The breaking down of rocks, soil, and minerals through contact with the atmosphere.
  8. 13. Cycle: The continuous process by which rocks are created, changed, and destroyed.