1. How do you know a chemical reaction has taken place?

2. When mixing 2 chemicals together – how do you know if a reaction occurs?  Create a gas  Change color  Releases heat (feels hot) or absorbs heat (feels cold)  Create a precipitate (solid made from 2 clear liquids)

3. Copy each chemical equation. Balance & Classify each equation.

4. Copy:  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction MnO2

5. Copy:  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction

6. Copy:  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction

7. Copy:  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction

8. Copy:  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction

9. Copy:  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction

10. Copy:  Write the phases of matter  Balance  Evidence of a chemical reaction

11. Copy:  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction http://www.youtube.com/watch?v=gXcug7RqPgs

12. Copy:  Predict the products  Write the phases of matter  Balance  Classify  Evidence of a chemical reaction