Across
- 4. who did develop the general theory of relativity
- 5. an astronomical body that orbits a planet or minor planet
- 8. make aomething sooner or faster
- 9. who did formulate a model of the universe that placed the Sun rather than the Earth at the center of the universe
- 10. object that reflects light
Down
- 1. the force that pulls us down
- 2. tiny particle of which all things
- 3. The ... effect is the concept that small causes can have large effects
- 6. who did invent a formula F=ma
- 7. P=mv.m is massa,v is velocity. What is P?
