Across
- 4. the view that the Earth is the center of the universe.
- 7. the law of inertia
- 9. German astronomer who discovered three major laws of planetary motion
Down
- 1. mathematician and astronomer who discovered the heliocentric theory
- 2. discovered the three laws of motion
- 3. believed that the planets orbit around the Sun
- 5. philosopher, mathematician, and astronomer. Discovered the four moons of Jupiter.
- 6. law law of acceleration
- 8. law for every action, there is an equal an opposite reaction
- 10. Earth rotates on an axis and around the Sun