Jacob Johnston's Crossword

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Across
  1. 2. the ability to do work or cause change
  2. 5. when a substance turns into new substances
  3. 8. a characteristic of a substance that is measurable or observable during a chemical reaction
  4. 9. a pure substance that is formed when two or more different elements combine
  5. 11. a combination of substances that can be physically separated from one another
  6. 12. the substances present before a chemical reaction occurs
  7. 14. the transfer of thermal energy
  8. 16. has mass and takes up some amount of space
  9. 17. two or more atoms joined together
Down
  1. 1. change
  2. 3. a pure substance that cannot be broken down into simpler substances by chemical reactions
  3. 4. a characteristic that can be observed
  4. 6. the smallest unit of an element
  5. 7. the substance that is formed from a chemical reaction
  6. 10. a substance that lowers the rate of a reaction by lowering the amount of energy needed for the reaction
  7. 11. the amount of matter in an object
  8. 13. the ability of molecules of the same substance to stick together
  9. 15. a change in matter that does not affect its chemical composition