A | B |
static electricity | charge that stays on an object |
electric current | flow of electric charge |
circuit | the path for an electric current |
matter | anything that occupies space |
conductor | currents can pass through easily |
metals | these are good conductors |
insulator | currents cannot pass through these |
series circuit | circuit has only one path for the current to pass through |
parallel circuit | has more than one path for current to pass through |
magnet | object that attracts certain materials |
magnetic poles | a magnet has two of these |
N and S | poles are marked with these |
pull | A magnet's _______ is strongest here. |
magnetic field | space around a magnet where its force can act |
opposite | poles attract |
like | poles repel |
Earth | has a magnetic field making it a giant bar magnet |
core | wire is wrapped around this |
electromagnet | made when wire is wrapped around a core |
compass | uses a lightweight magnetic needle |