Atoms and Energy in Chemical Reactions

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Across
  1. 5. a scientific law that states that matter cannot be created or destroyed.
  2. 9. are shorthand notations that describe chemical reactions.
  3. 11. For review, it is the end of a chemical reaction
Down
  1. 1. a chemical reaction that absorbs more energy from its surroundings than it releases
  2. 2. a chemical reaction that releases more energy to the surroundings than it absorbs
  3. 3. a full-scale, working model of a design that can be tested as part of the design
  4. 4. For review, this word means hot or heat
  5. 6. The stadium the Chicago Bears play at
  6. 7. For review, this is the beginning/ start of a chemical reaction
  7. 8. is a verbal or mathematical description of a natural phenomenon.
  8. 10. building blocks of matter and can only be seen with a microscpe