TRUE OR FALSE? All the plastic objects are CONDUCTOR.
FALSE
10
Which of the following materials do you think it would be safe to wrap the outside of a switch in? PLASTIC, SILVER, GOLD, COPPER
PLASTIC
15
Fill in the blank: A material that does not allow electricity to flow through it easily is called an electrical _______ .
INSULATOR
20
Looking at the diagram below, how do we know that the metal nail is a conductor?
It allows electricity to pass through it
25
I have used a plastic spoon in this circuit. Is the plastic spoon a conductor? YES or NO
NO
10
Metals tend to be good conductors while plastics are very good insulators. Look at the diagram of the wire shown and fill in the missing label with a material. (PLASTIC, METAL or WOOD)
METAL
10
Fill in the blank: A material that allows electricity to flow through it easily is called an electrical __________.
CONDUCTOR
15
Which of the following would be the best material to use for electric wires? COPPER, RUBBER, PAPER
COPPER
20
True or False: Materials that allow electricity to flow through them are called electrical conductors.