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WorksheetsElectricity and Circuits
Total questions: 40
Worksheet time: 39mins
Name
Class
Date
1.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
2.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
3.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
4.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
5.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
6.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
7.
When all parts of the circuit are connected it is a ______ circuit.
a)
open
b)
closed
8.
A circuit must be closed for electrons to travel.
a)
true
b)
false
9.
A circuit is not the path that electricity follows.
a)
true
b)
false
10.
Anything that uses electrictiy is a load.
a)
true
b)
false
11.
What is a current?
a)
A constant flow of electricity
b)
A path that a current can flow along
12.
What is a circuit?
a)
A constant flow of electricity
b)
A path that a current can flow along
13.
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
14.
Gives a constant supply of electrons.
a)
Power source
b)
Load
c)
Energy Pathway
15.
An outlet in a wall and a battery are examples of __________.
a)
Power source
b)
Load
c)
Energy pathway
d)
ALL of them
16.
A wire is an example of _____.
a)
Battery source
b)
Energy pathway
c)
Load
d)
All of them
17.
Electrons need a GOOD PATH made of a ______ for them to flow.
a)
Conductor
b)
Insulator
18.
___________ wires keep electrons on course & protect us from the dangerous flow of electricity.
a)
Insulated
b)
Conducted
19.
If the electric circuit is CLOSED, the switch is _______.
a)
ON
b)
OFF
20.
If the electric circuit is OPEN, the switch is ____.
a)
ON
b)
OFF
21.
Is this circuit open or closed?
a)
Closed
b)
Open
22.
Is a penny a conductor, insulator, or both?
a)
Conductor
b)
Insulator
c)
Both
23.
Does this lightbulb represent a closed or open circuit?
a)
Closed
b)
Open
24.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
25.
In a series circuit with 4 bulbs:
a)
a switch is never used
b)
all of the bulbs become dimmer if another bulb is added
c)
There are many paths for electricity to take
d)
the remaining 3 bulbs stay lit if one burns out
26.
All wires used in electric circuits should be covered with:
a)
a colored material.
b)
a conducting material.
c)
an insulating material.
d)
none of these.
27.
What is the difference between a conductor and an insulator?
a)
An insulator allows electricity to flow through it easily and a conductor does not
b)
A conductor allows electricity to flow through it easily and an insulator does not.
c)
An insulator is magnetic and a conductor is not
d)
A conductor is magnetic and an insulator is not
28.
What are the components of a simple circuit?
a)
wires, switch, outlet
b)
battery, switch, motor
c)
wires, light bulb, motor
d)
wires, battery, light bulb
29.
When switch is turned on the circuit is?
a)
Open
b)
Closed
30.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
d)
Has only one light bulb
31.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
32.
When electricity flows- a current is moving
a)
static electricity
b)
parallel circuit
c)
current-electricity
d)
dishcharge
33.
A material that does not allow electricity flow easily
a)
conductor
b)
resistor
c)
fuse
d)
insulator
34.
If there is a gap or break in in the electrical flow- there is no electricity it is called
a)
closed circuit
b)
short circuit
c)
open circuit
d)
discharge
35.
Electricity flows freely it is considered a ..... no breaks
a)
closed circuit
b)
short circuit
c)
fuse
d)
open circuit
36.
when electricity does move, this flow of electrons is called this.
a)
static electricity
b)
current electricity
c)
battery
37.
A source of electricity in a circuit
a)
battery
b)
wire
c)
light bulb
38.
The path of electricity.
a)
battery
b)
wire
c)
light bulb
39.
When all 3 parts of the circuit are connected.
a)
open or incomplete
b)
closed or complete
40.
Science is sooooooooooo FUUUUUUUUUUUUUUN!!!
a)
True
b)
Very True
c)
Opposite of false
d)
very beary true
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