Science-Rhys and Annalisa

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Across
  1. 1. hot things rise, cold things fall
  2. 4. a substance that transfers energy
  3. 7. energy of things actively in motion
  4. 11. a change in appearance
  5. 13. reaction that releases energy
  6. 17. the measure of average kinetic energy
  7. 21. energy cannot be created nor destroyed
  8. 22. the transfer of thermal energy between objects
  9. 25. speeds up reaction
  10. 26. energy cannot be created nor destroyed
  11. 27. when 2 molecules react and bond
  12. 28. energy that comes from heat
  13. 29. a change in the substance
  14. 30. energy stored in something based on height
Down
  1. 2. a chemical reaction that absorbs energy
  2. 3. amount of heat energy required to raise the temp of a substance
  3. 5. the minimum amount of energy needed to start a reaction
  4. 6. everything has it
  5. 8. biological substance that acts like a catalyst
  6. 9. a substance or material that decreases rate of reaction
  7. 10. pre reaction
  8. 12. energy moves between 2 objects
  9. 14. total energy of motion
  10. 15. oxygen can enter and leave
  11. 16. post reaction
  12. 18. a substance that helps a substance resist ph change
  13. 19. amount of energy stored in things
  14. 20. emissions of energy
  15. 23. oxygen cannot enter nor leave
  16. 24. how fast a reaction is