Science Review

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Across
  1. 3. the change of state from liquid to solid
  2. 4. the ratio of solute to solvent in a solution
  3. 6. a molecule that absorbs red and blue light and reflects green light in plants
  4. 8. to soak in
  5. 10. a community of organisms interacting with each other and with the nonliving environment
  6. 12. the process of a substance becoming incorporated uniformly into another
  7. 14. an organism that breaks down dead plant and animal material
  8. 16. the layer of gases surrounding Earth
  9. 17. the change of state from liquid to gas
  10. 18. a push or pull
  11. 19. a state of matter that has no definite volume or shape
Down
  1. 1. the change of state from gas to liquid
  2. 2. to act upon one another
  3. 5. the solid, rocky part of Earth’s crust
  4. 6. the transfer of energy from one object to another by contact
  5. 7. to go down in value
  6. 9. an organism that eats other organisms
  7. 11. a solution containing little solute
  8. 13. a system of interacting living organisms on Earth
  9. 15. to go up in value