Free Printable electric conductors and insulators

1.

Electrical wires are usually made up of copper because…

a)

Copper is a good conductor of electricity

b)

Copper is a good insulator of electricity

2.

Which of the following is NOT an example of an insulator in the kitchen?

a)

An oven mitt

b)

Pots and pans

c)

A wooden spoon

d)

A plastic measuring cup

3.

Is wood a conductor or an insulator?

a)

conductor

b)

insulator

4.

Is iron a conductor or an insulator?

a)

conductor

b)

insulator

5.

Which of the following is a good insulator of electricity?

a)

steel

b)

iron

c)

plastic

d)

copper

6.

Which of the following is a good conductor of electricity?

a)

rubber

b)

steel

c)

wool

d)

plastic

7.

What is the difference between a conductor and an insulator?

a)

A conductor is magnetic and an insulator is not

b)

An insulator is magnetic and a conductor is not

c)

An insulator allows electricity to flow easily, and a conductor does not

d)

A conductor allows electricity to flow through it easily and an insulator does not

8.

Which of the following is NOT a conductor:

a)

plastic

b)

copper

c)

iron

d)

aluminum

9.

Which of the following is NOT an insulator:

a)

wool

b)

copper

c)

plastic

d)

glass

10.

Mittens help keep your hands warm in the winter because…

a)

They are fuzzy

b)

They are conductors of heat

c)

They are insulators

d)

They are conductors of electrical energy

11.

What is a type of good conductors that we learned about in class?

a)

most plastics

b)

most fruits

c)

most wood products

d)

most metals

12.

What is a type of good conductors that we learned about in class?

a)

Allow heat to pass through

b)

Stop heat from passing through

c)

Allow cold to pass through

d)

Stop cold from passing through

13.

A material that does not let electricity pass through it is called…

a)

conductor

b)

insulator

14.

A material that lets electricity pass through it is called...

a)

conductor

b)

insulator

15.

Why are metals useful for making electrical wire?

a)

Metals do not bend.

b)

Metals hold much heat.

c)

Metals are insulators.

d)

Metals are conductors.

16.

Something electricity can't move through is called a(n) ______.

a)

conductor

b)

wire

c)

shoe

d)

insulator

17.

What are Conductors?

a)

A conductor is a material that allows electric charge to move through it as an electric current. Usually the charge is carried by electrons, and the conductor is a metal.

b)

an insulator

c)

an conductor

d)

A material or an object that does not easily allow heat, electricity, light, or sound to pass through it. Air, cloth and rubber are good electrical insulators; feathers and wool make good thermal insulators. Compare conductor.

18.

What are insulators?

a)

A conductor is a material that allows electric charge to move through it as an electric current. Usually the charge is carried by electrons, and the conductor is a metal.

b)

An object that is really, really, really, and I mean really truely, awesome.

c)

A material or an object that does not easily allow heat, electricity, light, or sound to pass through it. Air, cloth and rubber are good electrical insulators; feathers and wool make good thermal insulators. Compare conductor.

electric conductors and insulators

Total questions: 18

Worksheet time: 11mins

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