Question

Directions: On the line before each item, write ”I” if the substance is an electric insulator or “C” if the substance is an electric conductor.

_____22. paper

_____23. glass

_____24. iron

_____25. plastic

_____26. gold

_____27. copper

_____28. wood

_____29. Rubber

_____30. Aluminum

Answer 1

Answer:

___I__22. paper

___I__23. glass

___C__24. iron

___I__25. plastic

___C__26. gold

__C___27. copper

___I__28. wood

___I__29. Rubber

___C__30. Aluminum

Materials which do not allow current to flow easily are called insulators.

Materials which allows current to flow easily are called Conductors.