Cumulative Crossword 3A

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Across
  1. 2. does not let heat pass evenly; plastic, foam
  2. 4. collection like lakes, rivers, and streams
  3. 8. consumers who eat only plants, nuts, berries
  4. 10. heat transfer by direct touch
  5. 12. factors such as the sun, rocks, wind, mud, dirt
  6. 14. mix of fresh and ocean (salt) water
  7. 15. water ecosystem like oceans and estuaries
  8. 16. examples are grass and algae (water plant)
  9. 18. examples are hawks and lions
  10. 20. one organism gets eaten by another organism
Down
  1. 1. break down dead and decaying materials
  2. 3. land ecosystem like a forest or grasslands
  3. 5. ice melts, paper folds, glass breaks
  4. 6. factors such as all animals and plants
  5. 7. two or more species in an ecosystem
  6. 9. consumers who eat both plants and meat
  7. 10. examples..all animals; must eat to gain energy
  8. 11. warm air rises and cool air sinks
  9. 13. cake bakes, metal rusts, paper burns
  10. 17. heat transfer by rays and waves
  11. 19. does let heat pass evenly;copper, silver, iron