sience

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Across
  1. 3. what is the flow of energy
  2. 5. change the change that transforms chemicals
  3. 6. speeds up chemical reaction
  4. 8. the ability to work
  5. 10. result of chemical reaction
  6. 12. small group of two or more atoms
  7. 16. what is the natural branch of science
  8. 17. building block of matter
  9. 18. the force of two molecules
Down
  1. 1. change what alters appearence
  2. 2. what takes up space or weight
  3. 4. what substances introduce
  4. 7. how hot or cold something is
  5. 9. holds atoms together
  6. 11. two or more substances combined
  7. 13. the reaction from chemicals
  8. 14. intreads or transforms
  9. 15. what is the quantity of matter