Across
- 5. German astronomer, proved that planets orbit the sun.
- 6. French philosopher, believed that nothing should be accepted as true if it had not been proven to be. His ideas helped develop the scientific method.
Down
- 1. Polish astronomer, his book "On the Revolution of the Celestial Spheres" helped begin the Scientific Revolution.
- 2. English philosopher, he argued that science could be pursued in a systematic way. These ideas helped develop the scientific method.
- 3. Italian scientist, first scientist to routinely use experiments to test theories. He was placed on trial for supporting theories that contradicted teachings by the church.
- 4. English scientist, he studied and simplified the work of earlier scientists. He identified four laws that explained how the physical world works.