Across
- 3. A philosopher that believed in a state of rest.
- 5. Gravity obeys the Inverse ____ Law with respect to distance.
- 10. dwarf A stable cold star supported by the exclusion principle repulsion between electrons.
- 12. Galileo rolled ____ down a smooth slope to study gravity.
- 13. Our sun is mere light ____ away
- 15. Interaction between electrons. ____ force.
- 16. The 4th Dimension in space-time.
- 17. The universe may not have a _____
- 18. A close scientist friend of Stephen Hawking
- 20. _______ model currently predicts our universe.
- 21. Space-Time is ____ by gravity.
- 22. How much light a star radiates
- 23. Edward Hubble worked out the distances to ____ galaxies
- 26. Makes up light.
- 27. Interaction between quarks. ___force
- 28. Einstein’s theory of ___ relativity.
- 29. Light is _____ in space-time.
Down
- 1. String theory requires there to be ten or ______ dimensions
- 2. Speed is _____.
- 4. The first book about Earth being spherical; On The ______ by Aristotle.
- 6. A Brief History of Time author; Stephen ______
- 7. A new theory is usually an ____ of a previous theory.
- 8. Newton discovered this force. ____ force
- 9. Einstein points out that the idea of the ____ was unnecessary.
- 11. Cataloged the positions and distances of stars.
- 14. Darwin’s theory of Natural _____.
- 19. Appears in the universe evenly from every direction.
- 24. Interaction with magnets and electricity. ___ force
- 25. Makeup atoms.
