Earth Science Wrap Up

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Across
  1. 2. substances acting as fertilizers for aquatic plants
  2. 3. igneous rocks formed outside of the Earth
  3. 5. preserving resources for future generations
  4. 7. water found beneath the Earth’s surface
  5. 9. process that replenishes rivers and lakes
  6. 10. molten, semifluid rock released from an erupting volcano
  7. 13. substance that forms in nature, has definite chemical makeup and a has a crystal structure
  8. 14. animal that uses wetlands as breeding and feeding grounds
  9. 17. all forms of water on Earth
  10. 18. large ocean wave
  11. 19. Earth’s outermost layer
  12. 20. ground-shaking event caused by the sudden release of stress at plate boundaries
  13. 21. ethical theory that focuses on inherent moral rules or duties,
  14. 22. first step in the scientific method
  15. 23. process where atoms are arranged to form a material with a crystal structure
Down
  1. 1. variety of life in a particular habitat
  2. 4. type of rock forms when molten rock cools below the surface
  3. 6. introduction of contaminants into the environment
  4. 7. solid part of the Earth
  5. 8. strategies to prevent impact of pollution
  6. 11. layer of gases surrounding Earth
  7. 12. region beneath the crust
  8. 15. rhythmic fluctuations in sea level
  9. 16. area where water covers the soil
  10. 17. statement that predicts the outcome of an experiment