I-2 SCIENCE REVIEW

1234567891011121314151617
Across
  1. 4. a small piece of land surrounded by oceans
  2. 6. to save simething for future use
  3. 8. an opening in Earth's crust
  4. 9. comes from deep in the ground. used for fuel
  5. 10. to use something again
  6. 12. a mix of tiny rocks and dead plants and animals
  7. 14. to use old things to make something new
  8. 16. help break down dead plants
  9. 17. an area that is flat and wide
Down
  1. 1. makes water, air, or land dirty
  2. 2. a large, deep body of salty water
  3. 3. plant or animals parts rotting
  4. 5. garbage that people leave behind
  5. 7. to cut back on how much you use something
  6. 8. low land between mountains or hills
  7. 11. a shake in Earth's crust
  8. 13. each different shape of Earth's land
  9. 15. a big piece of land