SCIENCE GRADE 9

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Across
  1. 1. - liquid rock below the Earth's surface
  2. 4. - a ring of muscle that holds the baby in place
  3. 9. - the cutting down of trees
  4. 10. - the name given to an unborn baby
  5. 13. - a piece of rock orbiting the Sun
  6. 15. - a reproductive cell
  7. 17. - a small section of a plant that can grow
  8. 18. - planets made of rocks
  9. 19. - the rocky outer layer of the Earth
Down
  1. 2. - mixture of gases surrounding the Earth
  2. 3. - the "sticking together" of sediments
  3. 5. - the hottest planet
  4. 6. - the layer of the atmosphere where weather occurs
  5. 7. - liquid rock above the Earth's surface
  6. 8. - the only natural satellite of the Earth
  7. 11. - tiny hair on the surface of some cells
  8. 12. - the physical changes that happen to a person
  9. 13. - a scientist who studies space
  10. 14. - the brain of a cell
  11. 16. - the cosmos