Across
- 2. the particles that make up protons and neutrons
- 5. the 4 basic forces of nature are gravitation, weak force, strong force and the ______force
- 10. proven facts that are used to predict events. Aka rules of nature
- 11. the 'ghost particle'
- 13. speed with direction
- 14. the place we live in (think big)
- 15. a recently discovered elementary particle
- 17. the science that deals with matter, energy, motion, and force.
- 18. something you would feel if this crossword pushed you
Down
- 1. one of the founders of quantum mechanics
- 3. the exertion of force upon a surface by an object, fluid, etc., in contact with it
- 4. the pronumeral 'c' in Einstein's famous equation
- 6. this theory is one of the building blocks of modern physics
- 7. one of the most famous scientists
- 8. author of Mathematical Principles of Natural Philosophy
- 9. the force keeps Earth moving around the Sun
- 12. one of the two classes of elementary particles
- 16. a particle emitted by nuclear fission
- 17. the 4th state of matter