Earth & Space Science

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Across
  1. 1. move to another country
  2. 6. toxic to humans not plants
  3. 10. a storm over water that last a long time
  4. 12. the amount of matter or how much it weighs
  5. 15. element known as Au
  6. 18. plants use this for making food
  7. 21. all the elements
  8. 22. a natural disaster consisting of lava
  9. 23. December 21
  10. 24. the symbol for this element is Ag
  11. 25. needed to breathe
Down
  1. 2. the name of our universe
  2. 3. the 7 main categories for grouping species
  3. 4. the study of living organisms
  4. 5. an object that takes up space
  5. 7. the third planet from the sun
  6. 8. able to float
  7. 9. the study of land forms
  8. 11. solstice, June 21
  9. 12. move within a region
  10. 13. the study of the structure of an organism
  11. 14. another name for Ra
  12. 16. the closest planet to the sun
  13. 17. the main location on surface for an earthquake
  14. 19. every 15 degrees this changes
  15. 20. the weather over a long period of time
  16. 22. Earth's twin planet
  17. 24. March 21