Across
- 3. he was the first to report telescopic observations of the mountains on the moon, the moons of Jupiter, the phases of Venus, and the rings of Saturn
- 4. is a cosmological model in which the Sun is assumed to lie at or near a central point
- 6. proposed the separation of power
- 9. A group of radical thinkers and writers in France in the eighteenth century, including Voltaire and Jean-Jacques Rousseau.
- 10. best known for his promotion of the scientific method
- 11. is a debunked theory that the Earth is the center of the universe, with the sun and planets revolving around it.
- 13. is a system of government by the whole population or all the eligible members of a state
- 14. was a new era when people became smart
- 15. Common Sense pamphlet and Crisis papers were important influences on the American Revolution.
- 16. proposed a theory of the solar system, which contained elements of both the Earth-centred Ptolemaic system and the Sun-centred Copernican system.
Down
- 1. ideas—the importance of free markets, assembly-line production methods, and gross domestic product (GDP)
- 2. a method of procedure that has characterized natural science since the 17th century, consisting of systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
- 5. discovered gravity
- 7. the split of the branch
- 8. known as the father of modern astronomy.
- 12. he invented analytic geometry, a method of solving geometric problems algebraically and algebraic problems geometrically.