Fundamental Forces
Across
- 3. gravity is a fundamental ___
- 4. chemistry is based on chemical ____
- 8. protons and electrons have positive and negative __
- 9. the strong force binds _____ together
- 10. 3d fundamental force
- 12. 2nd fundamental force
- 14. 4th fundamental force
- 16. _____ is the most powerful force
- 17. 1st fundamental force
Down
- 1. collection of protons (+) and neutrons (neutral)
- 2. the weak force is responsible for radioactive ____
- 5. gravitational, elastic, and chemical are all types of ____
- 6. a type of bomb and energy
- 7. stable subatomic particle (+)
- 11. a space filling substance
- 13. a small portion of matter
- 15. the 4 ____ forces