Year in Review.

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Across
  1. 2. a subatomic particle with -1 charge
  2. 5. a combination of different atoms to form a new molecule
  3. 7. the transfer of energy across empty space
  4. 10. an organism that eats for energy
  5. 13. a mix of chemicals that have reacted
  6. 14. the scattering of light reflecting off of an uneven surface
  7. 20. heat transfer through rising air
  8. 23. the space between two tectonic plates moving away from each other
  9. 26. a substance that is not alive
  10. 27. another word for consumer
Down
  1. 1. DNA stands for:
  2. 3. sciencey word for bursting into flame
  3. 4. a word to describe when a chemical reaction expels heat
  4. 6. a mix of chemicals that have not reacted
  5. 8. another word for producer
  6. 9. the movement of tectonic plates across the surface of the earth
  7. 11. a word to describe when a chemical reaction absorbs heat
  8. 12. the science of the plates of the earth
  9. 15. a device that measures air pressure
  10. 16. an organism that makes its own food
  11. 17. a subatomic particle with 1 charge
  12. 18. the seemingly random assortment of electrons around the nucleus of an atom
  13. 19. measurement unit for frequency
  14. 21. the layers that electrons orbit in
  15. 22. a subatomic particle with 0 charge
  16. 24. the transfer of energy between two touching objects
  17. 25. an organism that eats dead things