This scientist believed in a geocentric system. Ptolemy This scientist believed in a heliocentric system. Copernicus Said the planets and stars moved in Elliptical orbits Kepler Used a telescope to see Mountains on the Moon, Moons around Jupiter. Galileo Said, “If I have see further than other, it is by standing upon the shoulders of giants.” Isaac Newton Studied animal dissection. Got a few things seriously wrong. Galen Means the Earth is the center of the solar system Geocentric Means the Sun is the center of the solar system Heliocentric Said the liver was the beginning point of circulation. Gale This law explains why planetary bodies continue their elliptical orbits. Universal Law of Gravitation This scientist described the organs of the body and it’s general structure. A. Vesalius Discovered the HEART not the liver was the beginnings of blood circulation. William Harvey

This LAW explains how liquids behave under pressure Pascal’s Law This scientist studied how volume of a gas varies with the pressure exerted on it Robert Boyle Who was the Father of Modern Chemistry? Antoine Lavoisier) Who wrote “Observations Upon Experimental Philosophy?” Margaret Cavendish Who said, “I think, therefore I am?” Rene Descartes This scientist used the Scientific Method and Inductive Reasoning Francis Bacon You use this method to test a hypothesis. Scientific Method Reason is the chief source of knowledge Rationalism The beginning of BLOOD Circulation The Heart Name of Newton’s Book The Principia Name of Copernicus's Book On the Revolutions of the Heavenly Spheres Galileo used this instrument in his studies Telescope