earth

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Across
  1. 4. A large round object that travels around a star
  2. 7. The blanket of gases that surrounds a planet
  3. 9. What are glacier
  4. 10. What the building blocks of rocks?
Down
  1. 1. The earth's crust is made up of huge sections of rock known as
  2. 2. What gives us different season
  3. 3. What rock formed when molten magma cools
  4. 5. Magma that has burst out of a volcano and cooled
  5. 6. When lava turns to ash it forms a
  6. 8. The place that a few animal and plants can survive in hot