Across
- 2. System of observation, experimentation, and evidence used by scientists.
- 3. Italian scientist and astronomer who supported the heliocentric theory.
- 5. Renaissance technique that made art appear three-dimensional.
- 7. Invention that allowed ideas to spread quickly across Europe.
- 8. Renaissance political thinker who wrote The Prince.
Down
- 1. Instrument that Galileo improved to study the stars and planets.
- 4. Polish astronomer who proposed that the Earth and other planets orbit the sun.
- 6. German astronomer who discovered that planets move in elliptical orbits.
