| A | B |
|---|
| Scientific Revolution | A new way of thinking about the natural world. |
| Nicolaus Copernicus | Polish cleric and astronomer who rejected the geocentric theory. |
| heliocentric theory | The theory that the sun was the center of the universe. |
| Johannes Kepler | His laws showed that Copernicus's ideas were true. |
| Galileo Galilei | His observations threatened the teachings of the church. |
| scientific method | A logical procedure for gathering and testing ideas. |
| Francis Bacon | He believed that scientists should rely on observation or an experimental method. |
| Rene Descartes | Believed everything should be doubted until proven by reason. |
| Isaac Newton | Discovered the law of universal gravitation. |
