Chemical Reaction Vocabulary

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Across
  1. 3. a process that absorbs energy
  2. 7. a system that does not allow matter or energy to enter or escape
  3. 9. happens when one chemical substance is transformed into one or more different substances as a result of a change in the arrangement of atoms, such as when iron becomes rust
  4. 12. to form an insoluble solid (cannot be dissolved) when two liquid solutions are mixed
  5. 13. an early sample of a product that gives information about how the device or system works
Down
  1. 1. mass is neither created nor destroyed during a chemical reaction
  2. 2. a symbolic representation of the reactants and products in a chemical reaction
  3. 4. a process that releases energy
  4. 5. a system that allows matter or energy to enter or escape
  5. 6. saved nothing lost or gained
  6. 8. the total energy of motion of the particles in a sample of a substance
  7. 10. the physical form of matter-solid, liquid, or gas
  8. 11. to mix into another substance