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Allows the movement of electrons
conductors
Don't allow the movement of electrons
Insulators
when two bodies with equal poles approach each other, the forces are said to be of
forces of repulsion
when two pole-opposite bodies approach each other, the forces are said to be of
forces of attraction
They are usually used to protect electrically conductive materials
insulators
Salty water is a .........
conductor
pure water is a .........
insulator
wood is a .............
insulator
wool is a ...........
insulator
plastic is a ..............
insulator
steel is a .............
conductor
iron is a ..............
conductor
glass is a ............
insulator
ceramics are .............
insulators
