Change is Delicious!

What is change? Physical Change Chemical Change In a physical change there is only a change of state. The new substance has the same properties as the old one. No new substance(s) are produced. ice - water - steam (They are all still water!) For example: ice melting to water or water boiling. **In all of these changes, you can get the original materials back!** A physical change may also involve changing the shape of the substance. Examples: paper cut into pieces is still paper cutting wood into pieces is still wood molding a sculpture is still cement or marble! One or more NEW substances are created. The new substance is different from the original. It has properties that are different than those of the starting materials. *Plus, you cannot get the original materials back easily. Examples: cake mix becomes cake paper becomes ash steel becomes rust

Begin with the ingredients: How do I get to the cake? Begin with the ingredients: Ingredients Cake: Cooking spray 2  teaspoons  all-purpose flour 2  cups  all-purpose flour 2  cups  granulated sugar 1  teaspoon  baking soda 1  teaspoon  ground cinnamon 1/4  teaspoon  salt 3/4  cup  water 1/2  cup  butter or stick margarine 1/4  cup  unsweetened cocoa 1/2  cup  low-fat buttermilk 1  teaspoon  vanilla extract 2  large eggs

Flour

Baking Soda

Salt

Water

Butter

Cocoa Powder

Buttermilk

Vanilla

Eggs

Mix all together

Bake: Add Heat

Eat and Enjoy

What changed?

This is a chemical change because its properties are different from their original starting material. I can not change it back to its original form or ingredience.

Baking a cake is chemical change. By Mrs. Cook