words of science

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Across
  1. 2. what is measured in your experiment
  2. 7. a wave vibrating at right angles
  3. 10. large group of organic compounds
  4. 13. a diagram showing a relationship between two variables
  5. 15. the basic unit of a chemical element
  6. 18. relating to molecules
  7. 19. the chemical element
  8. 20. power derived from chemical or physical sources
  9. 21. sugar in plants
  10. 24. relating to an atom
  11. 25. facts and statistics collected together for evidence
  12. 26. stating what you believe
  13. 27. an action of investigating something
  14. 28. the gas we breathe
  15. 29. changed into a new property
  16. 30. your control in the experiment
  17. 31. a community where organisms live
Down
  1. 1. living organism that uses photosynthesis
  2. 3. a product changes in physical properties
  3. 4. an example to show reasoning
  4. 5. two surfaces rubbing against each other
  5. 6. minerals such as water dirt plants etc
  6. 8. what you think will happen
  7. 9. the process where oxygen is used to make energy from sugars
  8. 11. weather conditions
  9. 12. the process that plants use to use sunlight
  10. 14. the action or process of an something moving
  11. 16. gas produced by us and absorbed by plants
  12. 17. what you think will happen
  13. 22. reasoning to back up your claim
  14. 23. the energy of motion