Earth/life science crossword

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Across
  1. 4. the most basic unit of life
  2. 8. when plates move apart
  3. 9. this breaks down rock into sediment
  4. 10. this spews lava and forms rocks
  5. 11. nonliving factors in an ecosystem
  6. 12. this kingdom of life holds all organisms that can't be classified
  7. 16. a structure inside a cell containing its DNA and instructions for life
  8. 19. this natural disaster is caused when plates move and shake the ground
  9. 20. this rock is made from magma and lots of pressure
Down
  1. 1. when plates move together
  2. 2. outermost layer of earth
  3. 3. a cell without a defined nucleus
  4. 5. this kingdom of life includes spores
  5. 6. this boundary is when plates slide past each other
  6. 7. living factors in an ecosystem
  7. 11. cats are in this kingdom of life!
  8. 13. this rock is formed through crystallization, heat and pressure
  9. 14. this is the 2nd outermost layer of earth
  10. 15. the ability to do work or cause a change
  11. 17. a cell with a defined nucleus
  12. 18. this rock is made from small bits of other rock and other material