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