Electricity Test

Question 1

What is a conductor?

Answer 1

A material that lets electricity flow through it

Question 2

What is an insulator?

Answer 2

A material that electricity can not flow through

Question 3

What is a resistor?

Answer 3

Limits the power of an electrical circuit. It also helps reduce the amount of electicity moving through the circuit.

Question 4

List three examples of a conductor.

Answer 4

Metal:
Penny
Bulldog clip
Paper clip
Tinfoil

Question 5

List three example of an insulator

Answer 5

Eraser
Paper cup
Cloth

Question 6

List three examples of a resistor.

Answer 6

Coiled wire
Clay
Carbon

Question 7

How can you test if something is a conductor, insulator or resistor?

Answer 7

Connect a battery with wires attached to a lightbulb and connect the two wires to an object to see if it conducts or insulates.

Question 8

Electricity is an invisible form of energy. True or false?

Answer 8

True

Question 9

How is electricity produced? What is electricity?

Answer 9

Electricity is a flow of electrons from one atom to another.

Question 10

The strength of electricity is measure in what?

Answer 10

Amps

Question 11

What is a watt?

Answer 11

A measurement of power

Question 12

Give three examples of electricity in the home.

Answer 12

Stove
Fridge
Lamp
Heat
Appliances
Light
Outlets

Question 13

Give three examples of electricity in school

Answer 13

Smartboard
Lights
Computers
Outlets

Question 14

Give three examples of electricity in the community

Answer 14

Register
Freezer
Checkout at the store
Sliding doors
Street lights

Question 15

Give three examples of electricity in nature

Answer 15

Ray fish
Electric eel
Lightning
Static

Question 16

What can you add to the circuit if the light bulb keeps burning out?

Answer 16

You need a resistor in the circuit

• but if the light bulb is old it may gust be broken

Question 17

What is a circuit

Answer 17

Is a complete path that electricity flows throw

Question 18

What happens to the light bulb if the circuit is open?

Answer 18

The wires somewhere are not connect. Therefore, the light bulb does not turn on.

Question 19

What happens to the light if it has an closed circuit?

Answer 19

The light bulb turn on.

Question 20

What are the 4 types of circuits?

Answer 20

-Open
-Closed
-series
-parallel

Question 21

What is a series circuit?

Answer 21

Series - one after another
There are no branch wires in the circuit.

Question 22

If there is a series circuit with two light bulbs, what happens to the second light bulb if the first bulb burns out?

Answer 22

The second light bulb will not work because the circuit is open. The burn out light bulb is no longer connected.

Question 23

If you want everything to work on a circuit after one component fails what type of circuit do you need?

Answer 23

Parallel Circuits

Question 24

What are the safety precautions when working with electricity?

Answer 24

1) Don’t use electrical stuff around water
2) do not plug too much in one outlet
3) don’t have wires under a carpet
4) watch out for electrical poles and wires

Question 25

A device used to control the flow of electricity

Answer 25

Light switch

Question 26

A measure of the amount of electrical energy supplied to each charge.

Answer 26

Volts

Question 27

The place which electricity enters or leaves an electrical component (battery).

Answer 27

Terminal

Question 28

A type of energy in which small particles (called electrons) move through a device.

Answer 28

Electricity

Question 29

A complete path for an electric current.

Answer 29

Circuit

Question 30

A device used for generating electricity through an electrochemical reaction.

Answer 30

Battery

Question 31

It is made of metal (often copper) ands used to make electricity circulate.

Answer 31

Electrical wire

Question 32

What is an atom?

Answer 32

Atom is the building blocks of all matter (everything living and not living)

Question 33

What are parts of an atom?

Answer 33

Nucleus Protons Neutrons Electrons

Question 34

What is in the Nucleus?

Answer 34

Protons and Neutrons

Question 35

What moves around the nucleus?

Answer 35

Electrons

Question 36

What part of the atom is positive?

Answer 36

Protons are Positive

Question 37

What parts of the atom is negative?

Answer 37

Electrons

Question 38

What part of the atom has no charge?

Answer 38

Neutrons “N” for No charge

Question 39

What is static electricity?

Answer 39

When an object gains or loses electrons it becomes electrically charged.

Question 40

How do you create static electricity?

Answer 40

You rub two things together to create fiction then the object gains or loses electrons.

Question 41

What are the parts of a battery?

Answer 41

Positive terminal Negative terminal Case

Question 42

What are the parts of a lamp / lightbulb?

Answer 42

Filament Ceramic Lead contact Threaded metal base Lead tip