20. Positively charged particles in an atom
21. Negatively charged particles in an atom
22. Particles in the atom that have no charge
23. When non-magnetic materials become attracted to magnets
24. Temporary magnet made by placing a piece of iron inside a current carrying
coil of wire.
25. A device that measures the voltage difference in a circuit
26. Providing a path that allows electric charges to travel directly into the Earth
rather than traveling through a building.
27. Circuit that has only one pathway for current to travel through
28. Circuit that has more than one pathway for current to travel through
a. Series circuit
b. Parallel circuit
c. Voltmeter
d. Grounding
e. Electrons
f. Protons
g. Neutrons
h. Ferromagnetism
i. Electromagnets