CONDUCTORS AND INSULATORS

There are two types of material

INSULATORS

Electrons are not free to move around. They remain attached to their atoms.

Good insulators are

GLASS

RUBBER

PLASTIC

CONDUCTORS

When electricity moves easily through a meterial, this is called conductor

Good conductors are

METALS

COPPER

LIQUIDS

GASES

ELECTRICAL CABLES

A CONDUCTING MATERIAL

AN INSULATING MATERIAL

RESISTANCE

the material's opposition to the passage of electric current through it.

LOW RESISTANCE

HIGH RESISTANCE