Fred's rocks, minerals, and soil crossword

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Across
  1. 3. rock sediments are deposited in a new area
  2. 5. a type of rock that is formed by the compaction and cementation of sediments
  3. 7. igneous rocks that form outside the Earth
  4. 9. molten rock that erupts onto the Earth's surface
  5. 15. a naturally occurring, inorganic solid with a specific chemical composition and crystal structure
  6. 16. the chemical composition of a rock is changed by natural causes
  7. 18. a soil mixture of sand, silt and clay
  8. 19. the uppermost layer of the Earth's surface, formed from weathered rock and organic matter
Down
  1. 1. the deepest layer in a soil horizon, made of weathered rock, and makes up the Earth's crust
  2. 2. igneous rocks that form inside the Earth
  3. 4. the physical appearance of a rock is changed by natural causes
  4. 6. made up of leaf litter and other organic materials lying on the surface of the soil
  5. 8. ingredients that provide food for growth or development
  6. 10. the ability to let water soak in
  7. 11. a naturally occurring, solid aggregate of one or more minerals, or a body of undifferentiated mineral matter
  8. 12. a diagram that shows how different types of rocks are formed
  9. 13. to rot or break down
  10. 14. a type of rock that is formed by the cooling and solidifying of lava or magma
  11. 15. a type of rock that is formed by intense heat and pressure
  12. 17. rock sediments are carried away