End of year review

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Across
  1. 5. an interaction in which one species benefits and the other is harmed
  2. 7. an interaction in which both species benefit
  3. 8. rate at which waves occur
  4. 12. when light or sound go through an object
  5. 14. inner planet with retrograde rotation
  6. 15. species species that causes harm in an ecosystem it is not native to
  7. 17. an attraction that exists between any two masses in our entire universe
  8. 20. gets energy from eating other organisms
  9. 21. when light or sound are absorbed in an object
  10. 26. the light is getting larger from the right side of the moon
  11. 27. when light or sound bounces off an object
  12. 29. living
  13. 31. non living
  14. 32. planet with the lowest density
  15. 33. unit that measures the loudness of sound
  16. 37. moon moon phase that appears fully dark from Earth
  17. 39. planet with abundant oxygen
  18. 41. eats plants and meat
  19. 42. role or job that a population plays in an ecosystem
  20. 44. tendency for an object to remain unchanged
  21. 45. eats only plants
  22. 46. moon moon phase that appears fully lit from Earth
  23. 47. movement of energy through a substance, using vibrations
  24. 48. process a common set of steps used to solve problems and create products
Down
  1. 1. a community of living and non living organisms
  2. 2. form of kinetic energy that we can see
  3. 3. eats only meat
  4. 4. makes their own food using photosynthesis
  5. 6. largest planet
  6. 9. an interacting group of various species in a common location
  7. 10. known as the red planet
  8. 11. variable the variable you change on purpose
  9. 13. outer planet with retrograde rotation
  10. 16. the movement of spinning on its axis
  11. 18. First model or design of a product
  12. 19. a group of individuals of the same species inhabiting the same area
  13. 22. an individual animal or plant
  14. 23. distance between wave crests
  15. 24. the light is getting smaller from the left side of the moon
  16. 25. closest planet to the sun
  17. 28. a limit or restriction in a project
  18. 30. variable the variable you measure as a result
  19. 34. an interaction in which one species benefits and the other is unharmed
  20. 35. recycles dead organisms into chemical nutrients used in soil
  21. 36. the movement of one object around another
  22. 38. farthest planet from the sun
  23. 40. when light or sound bend in changing densities
  24. 43. the state of light's intensity