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Electricity

Total questions: 95

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

A large place for storing water is called _________________.

a)

dam

b)

container

c)

river

d)

reservoir

2.

We need to follow safety ___________________ when using electricity or else you could suffer electric shocks.

a)

methods

b)

booklets

c)

precautions

d)

pylons

3.

True / False -- We should conserve electricity to reduce or bills.

a)

True

b)

False

4.

True / False -- You can put anything such as a fork into electric sockets.

a)

True

b)

False

5.

True / False -- All the objects we use every day need electricity to work

a)

True

b)

False

6.

Identify if it's Renewable / Non-renewable ?

a)

Renewable

b)

Non-renewable

7.

Always ________________ electrical appliances when not using them.

a)

turn off

b)

turn on

c)

destroy

d)

replace

8.

Use ____________ instead of air conditioners.

a)

lamps

b)

turn off

c)

turn on

d)

fans

9.

Hang clothes to dry instead of using a _________________.

a)

iron

b)

washing machine

c)

dryer

d)

sunlight

10.

Do not open the __________________ and freezers too often. The cool air will escape.

a)

doors

b)

windows

c)

refrigerators

d)

kitchen

11.

How can it be explained that someone's hair can stick to a balloon?

a)

There is static electricity.

b)

There is too much dust in the air.

c)

The person needs to wash his hair.

12.

The flow of electric charge in a circuit is called _______.

a)

Heat

b)

Sound

c)

Electric Current

d)

Magnetic

13.

Identify the part of the circuit that is labeled 1.

a)

battery

b)

wire

c)

switch

d)

bulb

14.

Identify the part of a circuit that is labeled 2.

a)

battery

b)

wire

c)

switch

d)

bulb

15.

Identify the part of a circuit that is labeled 3.

a)

battery

b)

wire

c)

switch

d)

bulb

16.

What supplies the energy or power in an electric circuit?

a)

light bulb

b)

wire

c)

battery

17.

If the light is on, the circuit is _________________.

a)

closed

b)

open

18.

If the light is off, the circuit is ______________.

a)

closed

b)

open

19.
A/an _________________ is an object that will allow electricity to flow through it.
a)
insulator
b)
conductor
20.
A/an _________________ is a material that will not allow electricity to flow through it.
a)
insulator
b)
conductor
21.
Identify the insulator below.
a)
aluminum foil
b)
paperclip
c)
rubber eraser
22.

Identify the conductor below.

a)

cloth

b)

plastic

c)

metal

23.

What would best complete this circuit?

a)

A wire

b)

A switch

c)

A battery

d)

A light bulb

24.

What object would best complete this circuit?

a)

A battery

b)

a conductor

c)

an insulator

25.

How could you make this circuit work?

a)

Close the switch

b)

Take out the bulbs

c)

Add another battery

d)

Add another bulb

26.
The circuit  lights the light bulb. What is the purpose of the switch in the circuit?
a)
to push the electric current
b)
to open and close the circuit
c)
to insulate the circuit
d)
to make the electricity
27.
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.
28.

Mahra finds that all of the electric cords in her school are covered with plastic. Why is it important to cover the electric cords with plastic?

a)

Plastic is an insulator.

b)

Plastic is a conductor.

c)

Plastic is strong.

d)

Plastic will melt.

29.
Using the picture above, which letter correctly labels the battery?
a)
A
b)
B
c)
C
d)
D
30.
Using the picture above, which letter correctly labels the switch?
a)
A
b)
B
c)
C
d)
D
31.
Using the picture above, which letter correctly labels the light bulb?
a)
A
b)
B
c)
C
d)
D
32.
Using the picture above, which letter correctly labels the wire?
a)
A
b)
B
c)
C
d)
D
33.
Which of the following provides stored energy to run the circuit?
a)
Battery
b)
Light Bulb
c)
Switch
d)
Wire
34.
Which of the following controls the flow of electricity by opening and closing the circuit?
a)
Battery
b)
Light Bulb
c)
Switch
d)
Wire
35.
Which of the following produces light when part of a complete circuit?
a)
Battery
b)
Light Bulb
c)
Switch
d)
Wire
36.
Which of the following provides the pathway to carry the electricity from component to component? 
a)
Battery
b)
Light Bulb
c)
Switch
d)
Wire
37.
Which kinds of materials make good conductors?
a)
Fabric
b)
Metal
c)
Plastic
d)
Wooden
38.
Which of the following is evidence that energy is present and electricity is flowing?
a)
A component gets hot.
b)
A light bulb shines.
c)
A motor spins.
d)
All of the above.
39.
Which of the following is NOT a source of energy?
a)
D-cell battery
b)
Food
c)
Sun
d)
Wire
40.
Electric energy can be transformed into
a)
light, mechanical, sound, and heat
b)
taste, sound, stored, and heat
c)
stored, mechanical, taste, and light
d)
sound, mechanical, taste, and heat
41.

Which of the following is an insulator?

a)

aluminum foil

b)

copper penny

c)

piece of string

d)

wooden craft sticks

42.
A light bulb in a circuit transfers energy into 
a)
Motion
b)
heat and light
c)
sound and light
d)
light
43.
A complete circuit includes a wire, a battery, 
a)
a switch and motor
b)
a motor and light bulb
c)
a solar panel and motor
d)
switch and a solar panel
44.
Sally is creating a model to show what happens when electricity is used.  She decided to show the motor spinning below as her model. How could she best explain what is happening?
a)
Electric energy is transformed into energy of motion.
b)
Heat energy is transformed into energy of motion.
c)
Heat energy is transformed into electric energy.
d)
Electric energy is transformed into light energy.
45.
A student was playing music on her new cell phone.    The teacher explained that the phone was powered by a battery. The teacher then asked her to explain what was happening to the energy in her new phone.   How could she best explain this to the class?
a)
Electric energy is transformed into sound energy.
b)
Light energy is transformed into sound energy.
c)
Sound energy is transformed into electric energy.
d)
Sound energy is transformed into electric energy.
46.
A student wants to use the diagram below to explain what happens when the light bulb turns on. How could she best explain what is happening?
a)
Light energy is transformed to electric energy.
b)
Electric energy is transformed to light energy.
c)
Electric energy is transformed to motion energy.
d)
Motion energy is transformed to electric energy.
47.
Will this circuit light the bulb? 
a)
Yes
b)
No
48.
Will this circuit light the bulb? 
a)
Yes
b)
No
49.
Will the light bulb light up if the switch remains open as shown?
a)
Yes, because the circuit will be complete.
b)
Yes, because the battery will push the electric current.
c)
No, because the electric circuit is not complete.
d)
No, because the battery will push the electric current.
50.
The circuit  lights the light bulb. What is the purpose of the switch in the circuit?
a)
to push the electric current
b)
to open and close the circuit
c)
to insulate the circuit
d)
to make the electricity
51.
The circuit below lit the light bulb. What is the best claim we can make from this evidence?
a)
The metal key is an insulator.
b)
The metal key is a conductor.
c)
The wires are not conductors.
d)
The circuit is not complete.
52.
Jill finds that all of the electric cords in her school are covered in plastic. Why is it important to cover the electric cords with plastic?
a)
Plastic is an insulator.
b)
Plastic is a conductor.
c)
Plastic is strong.
d)
Plastic will melt.
53.
Tasha tested several items to see if they could conduct electricity.  Her data is shown below. What is the best claim she could make from her data?
a)
Wood is an insulator.
b)
Metal is an insulator.
c)
Keys are insulators.
d)
Toothpicks are conductors.
54.
Would these magnets repel or attract? 
a)
Repel
b)
Attract
55.
Would these magnets repel or attract? 
a)
Repel
b)
Attract
56.
Would these magnets repel or attract? 
a)
Repel
b)
Attract
57.
A student drew the model below to show the strength of a magnet.  It shows paper clips attracted to a magnet. Why did she most likely draw the paper clips where she did?
a)
Magnets are stronger at the poles.
b)
Magnets are stronger in the middle.
c)
The middle of a magnets repels paper clips.
d)
The poles of magnets repel paper clips.
58.
A student created the model of an electromagnet shown below. How could she best explain why the paper clip stuck to the nail?
a)
The electric current in the circuit magnetized the nail.
b)
The paper clips were magnets.
c)
The electric current in the circuit melted the nail.
d)
The nail heated up causing it to become a magnet.
59.
A student built four electromagnets with different cores.  Everything else about the electromagnets was the same.    Which of the following cores would make her electromagnet the strongest?
a)
iron
b)
nickel
c)
wood
d)
plastic
60.
Sarah planned an investigation to test the strength of electromagnets.  In one electromagnet she used two batteries and a small core.  In the other electromagnet she used one battery and a thicker core. Was this a fair test? 
a)
No, because she changed more than one variable.
b)
No, because the number of batteries does not matter.
c)
Yes, because the number of batteries does not matter.
d)
Yes, because she tested the correct number of variables.
61.

Choose the things that use electricity!

a)
b)
c)
62.

The ... uses electricity to keep food cold.

a)

Oven

b)

Kettle

c)

Refrigerator

63.

What can we do to use electricity safely?

a)

Do not put our finger or anything other than a plug into a socket

b)

Touch a switch with wet hands

c)

Use things with damaged wires

64.

What's the name from this part!

a)

Bulb

b)

Battery holder

c)

Wires

65.

Which of these tools doesn't use electricity?

a)
b)
c)
d)
66.

Is this toy car using electricity?

a)

Yes, it does

b)

No, it doesn't

67.

Choose what you should not do when using electricity?

The answer can be more than one.

a)
b)
c)
d)
68.

This object use electricity to toast bread. This object called...

a)

microwave

b)

rice cooker

c)

oven

d)

toaster

69.

Electricity is used in the vacuum cleaner to remove ...

a)

cloth

b)

heat

c)

dust and dirt

d)

pictures

70.

The meaning of the picture is...

a)

don't forget to wash your hands

b)

don't touch electricity with wet hands

c)

don't touch the wall

d)

don't touch the hand

71.

In order for a current to flow through a circuit,it must be:

a)

Complete

b)

Incomplete

c)

Simple

d)

Electric

72.

Why is plastic used to cover electrical wires:

a)

It looks nice

b)

It keeps them neat

c)

It is an insulator

d)

It is a conductor

73.

Which of the following is a good conductor of electricity:

a)

Wood

b)

Plastic

c)

Metal wires

d)

Glass

74.

What is stored in a battery:

a)

Electricity

b)

Food

c)

Energy

d)

Water

75.

Which of these are a part of circuit:

a)

Battery

b)

Bulb

c)

Flex

d)

All of them

76.

A pencil and a wooden ruler are good conductors of electricity

a)

True

b)

False

77.

Metal and water are conductors of electricity:

a)

True

b)

False

78.

A tiny wire in the bulb is called (a)  

79.

Electricity produced by power stations is brought to our home through thick wires called (a)  

80.

The wire through which an electric current from the battery passes to light the bulb is called _________

a)

Flex

b)

Filament

81.

which is better electricity driver?

a)

Plastic

b)

Copper

c)

cloro

d)

Nylon

82.

Where Michael Faraday was born?

a)

Germany

b)

EEUU

c)

London

d)

sweden

83.

En una circuito en serie...

a)

Si una bombilla falla las demás falla.

b)

Están los receptores montados unos detrás de otros.

c)

La intensidad es la misma en todo el circuito

d)

Todas son ciertas

84.

what is this??

a)

loudspeaker

b)

buzzer

c)

motor

d)

light

85.

Current is the amount of electrons that flow along the circuit.

a)

true

b)

false

86.

Appliances produce electricity?

a)

true

b)

false

87.

¿Para que utilizamos este circuito?

a)

Para tener un interruptor de repuesto por si se rompe uno

b)

Para encender la luz desde don puntos diferentes

c)

Para apagar la luz y encender la luz

d)

Para nada porque no funciona

88.

Michael Faraday ¿qué descubrió?

a)

La electricidad

b)

La rueda

c)

El fuego

d)

El electromagnetismo

89.

¿Quien termino arruinado y alimentando a las palomas de la calle?

a)

Michael Faraday

b)

Edison

c)

Tesla

d)

Newton

90.

¿Qué invento a parte de la bombilla realizó Edison y cambiaria el rumbo de la humanidad?

a)

El teléfono

b)

La imprenta

c)

La primera central eléctrica

d)

La máquina de vapor

91.

¿Qué es esto? y ¿Dónde esta?

a)

Es la bombilla de Edison, esta en New York

b)

Es una bombilla encendida más de 100 años, esta en San Francisco.

c)

Es una bombilla encendida más de 100 años, esta en Londres.

d)

Es una bombilla encendida más de 100 años, esta en Chicago.

92.

¿Cual fue el primer trabajo que obtuvo Faraday con 14 años?

a)

Una librería

b)

Una biblioteca

c)

Un museo

d)

En un laboratorio químico

93.

¿Qué hace este circuito?

a)

Pone en marcha el motor

b)

Cambio de giro del motor

c)

Enciende la bombilla

d)

Enciendo el altavoz

94.

¿Cual de estos científicos trabajaron juntos?

a)

Faraday y Tesla

b)

Edison y Faraday

c)

Tesla y Edison

d)

Ohm y Tesla

95.

¿Qué ciudad fue la primera elegida por Edison para ser iluminada con sus bombillas?

a)

San Francisco

b)

New York

c)

Chicago

d)

London

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