Physical Science Core Idea PS.1.B Chemical Reactions

1. Types of Chemical Reactions

1.1. Combustion

1.2. Precipitation

1.3. Decomposition

2. Effected in What Ways

2.1. When heat is added to something, a reaction can occur.

2.2. Size of the object plays a role in how the reaction takes place.

3. New Substance

3.1. In a chemical change, the item is mixed with another to create a new property of matter.

3.1.1. Baking Soda (solid) & Vinegar (liquid) form a gas when mixed together.

3.1.2. Mentos (solid) & Diet Coke (liquid) form a gas when mixed together.

3.1.3. Baking a cake goes through the process of mixing solids and liquids to form on liquid. Then it is baked into an edible food that is solid.