| Ptolemy | | Invented the microscope |
| Aristotle | | inoculations helped to prevent this disease |
| TychoBrahe | | Gave oxygen its name |
| Bacon | | He said that the same laws of gravity apply to both earth and the rest of the universe |
| Leeuwenhoek | | Every object in the universe attracts every other object |
| Kepler | | Explained how temperature, pressure, and volume affect a gas |
| Newton | | Created a temperature scale where water freezes at 0 degrees |
| Empiricism | | "I think, therefore I am" - Inventor of analytical geometry |
| Lavoisier | | Disscted human corpses |
| Descartes | | Critical of Aristotle, said scientists should use the experimental method |
| Revolution | | Supported the heliocentric view with mountains of observational data |
| Pisa | | Galileo used one to describe the moon's surface |
| Vesalius | | Greek who charted the solar system with earth at the center |
| Celsius | | Inventor of the mercury thermometer |
| Torricelli | | Greek thinker who said that different laws of physics apply to earth and to the rest of the universe |
| Pendulum | | Location where Galileo proved that objects fall at the same rate. |
| Geocentric | | His laws of motion said that planest move around the sun in elliptical orbits |
| Heliocentric | | Theory that says that planets move around the sun |
| Boyle | | Used to describe an object's rotation and a turnover of polital control |
| Gravity | | Inventor of the heliocentric theory |
| Galileo | | Earth centered view of the universe |
| Smallpox | | Revealed how the human heart functions |
| Janssen | | He got in trouble with the church for saying that the earth was not at the center of the universe |
| Copernicus | | Inventor of the barometer |
| Harvey | | The Experimental method |
| Telescope | | Galileo said each swing of a ______ takes exactly the same amount of time |
| Fahrenheit | | Van_______ observed bacteria through a micoscope |