| A | B |
|---|
| chemical reaction | reaction in which two or more substances turns into other substances |
| physical change | a change in which the particles are re-arranged without changing any chemical changes |
| observation | taking particular notice to what is happening |
| reactive | a substance that is very likely to react with another |
| chemical equation | a type of shorthand used to write down what happens during a chemical reaction |
| word equation | a chemical equation in which the chemicals reacting together and the products that are formed are written in full words |
| reactant | a substance that reacts with another in a chemical reaction |
| product | the substance(s) that is left when a chemical reaction has taken place |
