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Electric Circuit Grade 4

Total questions: 73

Worksheet time: 39mins

Name
Class
Date
1.

What provides energy for simple circuits (battery or d-cell)?

a)

conductor

b)

insulator

c)

path

d)

source

2.

A circuit that forms a complete pathway. There are no breaks in its path.

a)

closed circuit

b)

conductor

c)

open circuit

d)

insulator

3.

A material that allows heat or electricity to move through it easily.

a)

closed circuit

b)

conductor

c)

open circuit

d)

insulator

4.

A path along which electric charges can flow.

a)

switch

b)

path

c)

circuit

d)

conductor

5.

A form of energy that comes from electric currents.

a)

circuit

b)

electrical energy

c)

mechanical energy

d)

light energy

6.

A material that does not allow heat or electricity to move through it easily.

a)

conductor

b)

path

c)

switch

d)

insulator

7.

The path on the circuit is broken and charges cannot flow. The circuit is not complete.

a)

switch

b)

path

c)

open circuit

d)

closed circuit

8.

The electricity flows from the source to the receiver in a ________________.

a)

source

b)

receiver

c)

path

d)

switch

9.

A _______________ controls the flow of charges by opening and closing the circuit.

a)

switch

b)

path

c)

insulator

d)

conductor

10.

Why electrical wiring usually are covered with a layer of plastic?

a)

To make it look pretty

b)

To help electricity flow along the wire

c)

To make it safe

d)

To add more energy

11.

What needs to be done to this circuit so that the lamp lights up?

a)

Close the switch

b)

Add a source and close the switch

c)

Add another lamp

d)

Add another lamp and a switch

12.

Why is electrical wiring usually made from copper?

a)

Because copper is shiny

b)

Because copper conducts electricity

c)

Because copper is not magnetic

d)

Because copper insulate electricity

13.

1. Which switch or switches must be closed to make the lamps light?

a)

Only switch 1

b)

Only switch 1

c)

Switches 1 and 2

d)

Switches 1 , 2 and 3

14.

Tammy makes a complete simple circuit with one bulb and three batteries. The bulb lights for an instant and then goes out. Why?

a)

Too much electricity flows through the bulb's filament

b)

Not enough electricity flows around the circuit

c)

The batteries are flat

d)

The batteries are not good

15.

Peter has connected two bulbs across two batteries in a simple circuit. How can she make the bulbs dimmer?

a)

Replace one of the batteries with a section of wire

b)

Replace one of the bulbs with a section of wire

c)

Replace one of the batteries with a cork

d)

Replace the batteries for more wire

16.

If lamp 1 is unscrewed from its holder, what will happen to lamp 2?

a)

It will get brighter

b)

It will stay the same brightness

c)

It will go out

d)

Nothing will happen

17.

Why is a bulb brighter when it is powered by two batteries rather than one?

a)

Because the flow of electricity in the circuit is less

b)

Because the flow of electricity in the circuit is the same

c)

Because the flow of electricity in the circuit is greater

d)

Because the flow of electricity will go backward

18.

Which of the following materials is an electrical conductor?

a)

Silver spoon

b)

Silver-colored plastic spoon

c)

cooper spoon

d)

wooden spoon

19.

A material that does NOT let electricity pass through it is called ...

a)

An electrical conductor

b)

An electrical insulator

c)

An electrical source

d)

An electric appliance

20.
This is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
21.
This is the symbol for a _____?
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
22.
This is the symbol for a _____?
a)
an AC current source
b)
a DC current source
c)
a battery
d)
a single cell
23.
This is the symbol for a _____?
a)
Lamp
b)
Water wheel
c)
Loudspeaker
d)
Motor
24.
A device that makes electricity by using chemical reactions, stores energy until it is needed
a)
circuit
b)
battery
c)
insulator
d)
copper wire
25.
A path followed by an electric current
a)
open circuit
b)
flow
c)
current
d)
circuit
26.
A complete electrical circuit or path through which electricity or current can pass or flow
a)
open circuit
b)
circuit
c)
closed circuit
d)
current
27.
Thin, flexible thread made of copper
a)
battery
b)
electromagnetism
c)
open circuit
d)
copper wire
28.
Flow of electricty in a wire or other conductor
a)
closed circuit
b)
current
c)
open circuit
d)
conductor
29.
A circuit or electrical path that is broken or incomplete so electricity cannot flow through it.
a)
open circuit
b)
conductor
c)
insulator
d)
closed circuit
30.
What is a conductor?
a)
 A material that allows electricity to flow through it.  The circuit is complete. 
b)
A material that does not allow electricity to flow through.  It stops the flow of electricity.
c)
A light switch.
31.
The wire that gives off the light in a light bulb.
a)
fahnestock clip
b)
support wires
c)
filament
32.
The form of energy that can produce light, heat, motion, and magnetic force.
a)
electricity
b)
water
c)
grass
33.
Parallel Circuit
a)
Electricity has more than one way to travel through the circuit.  The light bulb burns the longest.
b)
Lightbulb burns the brightest in this circuit.
c)
railroad tracks
34.
An example of an insulator is?
a)
metal
b)
plastic
c)
brass
d)
aluminum
35.
The circuit that has only one path for electricity to travel around.
a)
parallel circuit
b)
series circuit
c)
no circuit
36.
The act of going around. A system that connects electrical devices so they will operate is?
a)
skeleton
b)
mystery box 
c)
circuit
37.
What holds the filament in a lightbulb?
a)
glass bulb suport
b)
support wires
c)
wire attachment point
38.
Which idea is NOT a trouble-shooting step to find out why the electric circuit is not working?
a)
Test the wires, are they tightly connected to the fahnestock clips?
b)
Are the batteries lined up negative to positive?
c)
Is the lightbulb big enough?
39.
A unit used to measure the electric potential of a battery is called...
a)
current
b)
electricity
c)
volt
40.
An example of a conductor is?
a)
metal paperclip
b)
glass marble
c)
wooden golf tee
41.
What is a current?
a)
A constant flow of electricity 
b)
A path that a current can flow along
42.
What is a circuit?
a)
A constant flow of electricity 
b)
A path that a current can flow along
43.
What are the 3 basic components of a circuit?
a)
Energy source, Load, Energy Pathway
b)
Battery, Energy source, Energy Pathway
c)
Battery, Wire, Energy Pathway
d)
ALL of them
44.
Gives a constant supply of electrons. 
a)
Power source
b)
Load
c)
Energy Pathway
45.
An outlet in a wall and a battery are examples of __________.
a)
Power source 
b)
Load
c)
Energy pathway
d)
ALL of them 
46.
A device that uses electricity. 
a)
Load 
b)
Battery Source
c)
Energy pathway
47.
The light bulb in the circuit is an example of _______. 
a)
Load
b)
Battery source
c)
Energy pathway
d)
All of them
48.
A wire is an example of _____.
a)
Battery source 
b)
Energy pathway
c)
Load
d)
All of them
49.
Electrons need a GOOD PATH made of a ______ for them to flow. 
a)
Conductor
b)
Insulator
50.
___________ wires keep electrons on course & protect us from the dangerous flow of electricity. 
a)
Insulated
b)
Conducted
51.
From this picture which is the conductor and which is the insulator? 
a)
Conductor: yellow wire, Insulator: black wire
b)
Insulator: yellow wire, Conductor: black wire
52.
A _______ controls whether an electric device is ON or OFF. 
a)
electrical switch
b)
electric circuit
53.
If the electric circuit is CLOSED, the switch is _______. 
a)
ON
b)
OFF
54.
If the electric circuit is OPEN, the switch is ____.
a)
ON
b)
OFF
55.
A ______ controls the flow of electrons by opening an closing a circuit. 
a)
electrical switch
b)
electric circuit
56.
We need a _____ circuit for the light bulb to BE ON. 
a)
closed
b)
open
57.

Is a plastic fork a conductor or an insulator?

a)

insulator

b)

conductor

58.

Is a wooden craft stick an insulator or a conductor?

a)

insulator

b)

conductor

59.

Is a penny an insulator or a conductor?

a)

insulator

b)

conductor

60.

Is a coffee mug an insulator or a conductor?

a)

insulator

b)

conductor

61.

What kind of energy are they using to push this crate?

a)

Rainbow Energy

b)

Sun energy

c)

Mechanical Energy

d)

Dragon Energy

62.

What type of energy is melting this ice cream?

a)

Power energy

b)

Electrical Energy

c)

Brain Energy

d)

Thermal Energy

63.

This switch is

a)

open

b)

closed

c)

a Cotton Candy Machine

d)

a nut cracker

64.

This switch is

a)

closed

b)

open

c)

a sandwich

d)

for sale at Walmart

65.

Allows energy to pass through it.

a)

ceramic mug

b)

plastic fork

c)

rubber

d)

Conductor

66.

Plugging something in is an example of

a)

Being Lazy

b)

Light Energy

c)

Electrical energy

d)

Thermal energy

67.

Flying a kite is an example of

a)

Mechanical Energy

b)

Solar Energy

c)

Lunar Energy

d)

Thermal Energy

68.

If I ring this bell, I am using _____________ energy.

a)

Thermal

b)

Mechanical

c)

Water

d)

Sun

69.

It makes the room brighter when I turn the light on...

a)

Light energy

b)

tomatoes

c)

dirt

d)

mud

70.

Why does this nail attract the paper clip?

a)

Electricity runs through the wire and creates a magnetic field.

b)

because the battery

c)

because it does

d)

because the wire

71.

Electricity flows through the wire creating a _______ field.

a)

magnetic

b)

cheese

c)

magical

d)

unicorn

72.

Electricity flows through the __________ creating a magnetic field.

a)

potato

b)

wire

c)

air

d)

imagination

73.

____________ flows through the wire creating a magnetic field.

a)

Electricity

b)

magic

c)

fairies

d)

glitter

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