Good Conductors

▪ Silver
▪ Copper
▪ Gold
▪ Aluminium
▪ Iron
▪ Steel

Fair Conductors

▪ Tin
▪ Lead
▪ Mercury
▪ Dirty water
▪ Graphite
▪ Concrete

Insulators

▪ Plastic
▪ Wood
▪ Glass
▪ Asphalt
▪ Oil
▪ Porcelain
▪ Fibreglass
▪ Ceramic
▪ Quartz
▪ Diamond
▪ Air
▪ Pure water