Chemical Reactions

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Across
  1. 2. a system that allows a reaction to escape
  2. 4. a solid formed when two liquid solutions are mixed
  3. 5. Another name for chemical reaction
  4. 12. the process of substances changing into another substance
  5. 13. a process that releases energy, hot
  6. 14. saved
  7. 15. the desired features of a design
  8. 16. an early design of product
  9. 17. a system that does not let a reaction escape
Down
  1. 1. to retrieve waste material for it to be reused
  2. 3. a substance before a reaction happens
  3. 5. something that limits the solution of a problem
  4. 6. the principle that mass is not created or destroyed during a chemical reaction
  5. 7. a process that absorbs energy, cold
  6. 8. the energy in the particles of a substance
  7. 9. solid, liquid, or gas
  8. 10. to mix into another substance
  9. 11. the final substance at the end of a reaction