Section 2 Introduction
                                    Completion requirements
                                    
                        
                        Targets
I can answer these questions:
2. What is a chemical reaction?
2.1 What is the difference between a physical and a chemical change?
    
    
    
    
    
        As you eat your breakfast and brush your teeth in the morning, already you are using several solutions and mixtures.  In doing so, you have caused your own chemical reactions!