Reaction Part 2

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Across
  1. 4. The law of _____________ of mass
  2. 6. Mass of reactants must be ______ to the mass of products
  3. 8. What happens to energy in an endothermic reaction
  4. 10. Substance that go into a chemical reaction
  5. 11. When 1 reactant breaks down into 2 products
Down
  1. 1. When a liquid loses energy and becomes a solid
  2. 2. What have to collide for a reaction to happen
  3. 3. A reaction where energy is gained
  4. 4. Reacting a fuel with oxygen
  5. 5. A reaction where energy is lost
  6. 7. What happens to energy in an exothermic reaction
  7. 9. When a solid gains energy and becomes a liquid