Across
- 1. an atom that has gained or lost electrons
- 3. a light metal
- 5. SI unit of charge
- 7. neither positive nor negative
- 9. case with two gold leaves
- 12. opposite of attracting
- 14. an American scientist who discovered electricity
- 16. a proton and an electron together
- 17. electric potential
- 18. SI unit of force
Down
- 2. protons and neutrons together
- 4. it’s not a conductor
- 5. a material through which electric charge can easily flow
- 6. how like charges behave?
- 8. allowing charges to escape
- 10. charging an object without direct contact
- 11. little negatively chraged particle
- 13. an Italian physics
- 15. adding or robbing charges making friction