Topic 2 Solids, Liquids, and Gases

Edit Answers
1234567891011121314151617
Across
  1. 2. molecules at the surface of liquid water absorb enough energy to change to a gas
  2. 5. shows the amount of energy that moves from one feeding level to another in a food web
  3. 7. many overlapping food chains in an ecosystem
  4. 9. mass is neither created nor destroyed
  5. 10. rain, snow, sleet, and hail
  6. 12. energy is neither created nor destroyed
  7. 16. break down biotic wastes and dead organisms, returning raw materials to the ecosystem
  8. 17. environmental factor that causes a population to stop growing or to decrease in size
Down
  1. 1. makes its own food
  2. 3. organisms that interact with nonliving things in the environment
  3. 4. process in which gas changes to a liquid
  4. 6. the community of organisms that lives in a particular area along with the nonliving environment
  5. 7. a series of events in which one organism eats another and obtains energy
  6. 8. parts of a habitat that are or were once alive and that interact with an organism
  7. 10. all the members of a species living in a particular area
  8. 11. an environment that provides the things a specific organism needs to live, grow, and reproduce
  9. 13. gets energy feeding on other organisms
  10. 14. a living thing
  11. 15. all the different populations that live together in an area