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