chemical reactions and equations crossword puzzle

1234567
Across
  1. 2. A substance formed in a chemical reaction.
  2. 5. The law that states matter cannot be created or destroyed
  3. 6. A type of reaction where a compound breaks down into simpler substances.
  4. 7. Type of reaction where two or more reactants combine to form a single product.
Down
  1. 1. A chemical change often accompanied by heat or light.
  2. 3. Substance consumed in a chemical reaction
  3. 4. The number placed in front of a chemical formula to balance an equation.