| A | B |
|---|
| chemistry | study of substances and the changes it undergoes |
| Michael Faraday | discoveries led to the invention of electric motor |
| scientific method | orderly , systematic approach to gather knowledge |
| variable | factor being testedin the expirement |
| experimental control | responds in a predictable way to the expirement |
| hypothesis | tentative answer to the question |
| data | outcome |
| law | explains how things behave |
| theory | explains why things behave as they do |
