Perfect 10: Chemical Reactions

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Across
  1. 1. A system in which no matter is allowed to enter or leave
  2. 4. The elements or compounds produced by a chemical reaction.
  3. 6. the process by which one or more substances change to produce one or more different substances
  4. 8. A reaction that ABSORBS energy in the form of heat
  5. 9. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  6. 10. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
Down
  1. 2. A reaction that releases energy in the form of heat
  2. 3. A starting material in a chemical reaction
  3. 5. A system in which matter can enter from or escape to the surroundings.
  4. 7. A solid that forms from a solution during a chemical reaction.