Chemical and Physical Properties
Across
- 3. a chemical reaction involving oxygen that gives off heat and light
- 6. a chemical reaction in which energy is released in the form of heat
- 7. a change in form or appearance that does not form a new substance
- 9. an unexpected _________ change is evidence of a chemical reaction, the reaction radiates light differently
- 10. the formation of a solid from two liquids during a chemical reaction
Down
- 1. matter switching from a liquid to a solid or a gas to a liquid
- 2. the product of a chemical reaction will always have new chemical _________ that are different from the reactants
- 4. a chemical reaction in which energy is absorbed
- 5. the evidence that a chemical reaction is happening when mixing vinegar and baking soda
- 8. when two or more substances join to form a new substance with new chemical properties