Law of Conservation of Mass

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Across
  1. 3. when a match is lit we see another evidence for chemical change, which is the presence of _______ or light
  2. 5. chemicals present prior to reaction
  3. 6. the amount of material in an object
  4. 8. nothing can be __________, nothing can be destroyed
  5. 9. the instrument used to measure mass, another word for this is a scale
Down
  1. 1. if the chemicals present before the reaction weigh 1223 kg, we expect the chemicals remaining after the reaction to also weigh 1223 ________
  2. 2. chemicals remaining once the reaction is complete
  3. 3. __________ of a gas takes place when vinegar is mixed with baking soda
  4. 4. ________ change takes place when leaves change in the fall, and this is evidence for chemical change.
  5. 7. formation of a _________ takes place when vinegar mixes with milk, producing cheese curds and liquid whey