Chemical Building Blocks
• What is the difference between a physical change and a chemical change? What are some examples of each?
Listed below is an activity that you may want to do with your child at home.
Preparing a meal involves several different energy transformations (changes). Have your child help you cook a meal for your family. As you work, encourage your child to point out all the different energy transformations, especially those that involve chemical energy. Be sure to ask what chemical energy is and what other forms of energy it can be changed into. Talk about energy sources for cooking and other tools and appliances used to prepare food. Try to identify foods that change chemically when they are cooked. Bon Appetite!