Electricity

4. resistance one surface/object encounters when moving over another.
7. particle that has a negative electric charge
8. negatively charged ion
10. opposition to the electrical charges in an electric circuit
12. particle that has a positive electric charge
14. a field of space around a charged particle where that particle can exert an electric force on another charged particle.
15. a circuit with two or more loops
16. a one-loop circuit

1. an object or material that does not allow electric current to flow through it
2. occurs whenever electrons within a neutral object move because of the electric field of a nearby charged object.
3. a current that reverses directions
5. transfer of heat or electric current
6. positively charged ion
9. a current that has all electrons flowing same way
11. object or material that allows electric current to pass through it
13. the difference in electrical energy or force