Earth's Systems

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Across
  1. 4. Earth's water system
  2. 7. The combination of elements that form matter
  3. 10. Water cycle: the cooling of atmosphere into clouds or fog
  4. 11. Process of changing light, air, and water into plant food
  5. 15. Earth's air system
  6. 16. A single, self-contained living thing
  7. 18. Anything that has mass and takes up space
  8. 20. Needed for plant growth
  9. 22. Location of most of the world's fresh water
  10. 24. Snow, rain, sleet, mist
  11. 25. The smallest form of matter
Down
  1. 1. Earth's living system
  2. 2. All earth systems combined
  3. 3. Plants make their own food.
  4. 5. Process where water is turned into gas by the sun and heat
  5. 6. Bio-degradable, organic, matter used in gardening
  6. 8. Where trees get most of their mass from
  7. 9. Earth's land system
  8. 12. Exhaling of plants
  9. 13. water stored in the earth
  10. 14. Needed for plant growth
  11. 17. Weight
  12. 19. Needed for plant growth
  13. 21. A feature of the earth such as mountain, hill, ocean, or river
  14. 23. Location of most of the world's water