| A | B |
|---|
| ATOMS | single part of an element |
| ELECTRONS | NEGATIVELY CHARGED |
| PROTONS | POSITIVELY CHARGED |
| NEUTRONS | NEUTRALLY CHARGED |
| NUCLEUS | CENTER OF ATOM;MADE UP OF NEUTRONS AND PROTONS |
| ION | CHARGED ATOM |
| ELECTRICITY FLOW | ELECTRONS FLOWING FROM ONE ATOM TO ANOTHER |
| FREE ELECTRON | NEGATIVE AND LOOKING FOR A PROTON TO NEUTRALIZE IT |
| CHARGED | POSITIVE AND NEGATIVE GROUPS THAT ARE ATTRACTED TO EACH OTHER |
| RESISTANCE | MEASURES HOW WELL IT MOVES FROM ONE ATOM TO THE NEXT |
| INSULATORS | ELECTONS DO NOT MOVE EASILY THROUGH THESE (RUBBER, GLASS) |
| CONDUCTORS | ELECTRONS MOVE EASILY THROUGH THEM (METALS) |
| ELECTR | GREEK ROOT THAT MEANS "BEAMING SUN" |
| ELECTRUS | lATIN WORD THAT MEANS PRODUCED FROM AMBER BY FRICTION |
| AMBER | FOSSILIZED TREE SAP |
| GUAGE | THICKNESS OF WIRE |
