•  Chemical Reactions

    Physical Change
     Click here for information about saturated solutions and crystal formation. 
     Click here for the instructions to make a crystal snowflake. 
     
    Chemical Change 
    6.2 Controlling the amount of Products in a Chemical Reaction:  
               Click here for models and more information about the reactants and products.
               Click here for more information about how mass is conserved in the reaction. 
               Click here for more information about how you can control the amount of products formed.