Earth Day Crossword

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Across
  1. 1. loose soil or earth
  2. 3. freezes at 0° C and boils at 100° C
  3. 4. a corrosive or sour-tasting liquid
  4. 5. source of light
  5. 8. widespread in the Amazon
  6. 10. coined by the German zoologist, Ernst Haeckel, in 1866 to describe the “economies” of living forms
  7. 12. describes things relating to the sun
  8. 13. continuous body of saltwater
  9. 14. a container consisting of one or more cells
  10. 17. a viscous liquid derived from petroleum
  11. 18. chemical element of atomic number 8
  12. 21. expressed according to a comparative scale or perceived by touch
  13. 22. a nonmetal that has two main forms (diamond and graphite)
Down
  1. 2. Reclaiming
  2. 3. movement of the air
  3. 5. Wild Blue Yonder
  4. 6. created by human activity, such as trash or runoff produced by factories
  5. 7. envelope of gases
  6. 9. Terra
  7. 11. solid mineral found mainly in underground deposits and widely used as fuel.
  8. 15. more than once
  9. 16. Orb
  10. 19. Physical balderdash
  11. 20. caused by the refraction and dispersion of the sun's light