Across
- 3. Unit of length in the SI
- 4. Displacement divided by time, with a sign
- 5. What happens when two atoms are joined together
- 8. Difference between initial and final point
- 12. Unit of weight in the SI
- 13. Tendency of objects in motion to stay in motion
- 14. What happens when an atom is split
- 15. Unit of Force
Down
- 1. How steep a mathematical line is on a graph
- 2. In the third law, opposite of action
- 6. First name of the Italian scientist who dropped things from the leaning tower of Pisa
- 7. Central part of the atom
- 9. Acronym for intercontinental ballistic missile
- 10. Negatively charged particle in an atom
- 11. Positively charged particle in an atom
