Physical Science Core Idea PS.1.B Chemical Reactions

1. New Substance

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

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

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

1.1.3. 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.

2. Types of Chemical Reactions

2.1. Combustion

2.2. Precipitation

2.3. Decomposition

3. Effected in What Ways

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

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