Cale Wyatt crossword

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Across
  1. 3. a way to show a chemical change.
  2. 5. A substance that undergoes the chemical change.
  3. 8. is any change that alters the form or appearance of a substance.
  4. 9. a new substance that forms.
  5. 13. is a number place in front of the chemical formula.
  6. 14. a matter can enter form or escape to the surroundings.
  7. 15. when one element replaces another element.
  8. 17. increase the reaction rate by lowering that activation.
  9. 18. a catalyst that helps reactions occur at our body temperature.
  10. 19. a solid that forms from liquids during a chemical reaction.
Down
  1. 1. the amount of a substance in a given volume.
  2. 2. more energy is required to break then bonds of the reactants then is released.
  3. 3. a change in matter that produces one our more substances.
  4. 4. the states during a chemical reaction matter is not created or destroyed.
  5. 6. minimum amount of energy needed to start a chemical reaction.
  6. 7. a reaction when compounds break down.
  7. 10. when two or more elements combine to make a more complex substance.
  8. 11. the energy released as the product form is greater than the energy required.
  9. 12. a matter does not enter or leave.
  10. 16. a material used to decrease the rate of a chemical reaction.