6th Grade Science

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Across
  1. 3. tectonics the theory explaining the movement of large sections of the Earth’s crust
  2. 4. a type of rock formed by the accumulation of small particles
  3. 6. the layer of gases surrounding the Earth
  4. 9. the breakdown of rocks, soil, and minerals through contact with the Earth’s atmosphere
  5. 10. a large sea wave caused by an underwater earthquake or volcanic eruption
Down
  1. 1. a mountain or hill that forms when magma reaches the Earth’s surface
  2. 2. an instrument used to measure and record earthquake activity
  3. 5. the process by which soil and rock are removed from the Earth’s surface by wind or water flow
  4. 7. preserved remains or traces of ancient organisms
  5. 8. molten rock beneath the Earth’s surface