Conductor and Insulator

Question 1

conductor is?

Answer 1

is a material that allows (usually electrons) to flow through it easily, this is because it has free-moving electrons.

Question 2

conductors tend to be

Answer 2

metals

Question 3

best to worst conductors

Answer 3

silver
copper
iron
carbon
water
air
glass
rubber

Question 4

metals conduct electricity very well because

Answer 4

current is the rate of flow of charged particles

Question 5

Insulator

Answer 5

is a material that does not allow flow of charge through them very easily, this is because it has no free-moving electrons

Question 6

examples of insulators

Answer 6

Rubber, plastic, glass and wood

Question 7

some non-metals:

Answer 7

graphite is conductor

Question 8

charging an insulator by rubbing

Answer 8

-when polythene rod is rubbed with a woollen cloth
-the friction causes the electrons transfer from the wool to the polythene.
-this causes the woollen cloth to become a positive charge, and the polythene to be a negative charge