WorksheetsElectricity
Total questions: 52
Worksheet time: 3620secs
Name
Class
Date
1.
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.
2.
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
3.
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.
4.
Would these magnets repel or attract?
a)
Repel
b)
Attract
5.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
6.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
7.
Identify the conductor below.
a)
cloth rag
b)
plastic bottle
c)
gold ring
8.
Identify the insulator below.
a)
aluminum foil
b)
paperclip
c)
rubber eraser
9.
Thicker wires have _______ resistance than thinner wires.
a)
more
b)
less
c)
the same
10.
Electric current is measured in ______.
a)
Watts
b)
Volts
c)
Amperes
11.
Which formulas represents Ohm's law?
a)
V=IR
b)
R=IV
c)
I=RV
12.
Which subatomic particles have a positive charge?
a)
neutrons
b)
electrons
c)
protons
13.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
14.
How many volts are in a circuit with a battery that has a resistance of 10 Ohms and a current of 2 Amps?
a)
.5 Volts
b)
5 Volts
c)
20 Volts
15.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
16.
What type of circuit is pictured?
a)
series
b)
Parallel
17.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
18.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
19.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
20.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
21.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
22.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
23.
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow?
a)
The switch needs to be opened.
b)
The switch needs to be closed.
c)
The cell needs an insulator.
d)
The wire needs to be connected to the bottom of the cell.
24.
Which property of wood makes it a good material for the handle on a cooking tool?
a)
Wood is a natural material.
b)
Wood is unaffected by metal.
c)
Wood conducts heat well.
d)
Wood does not conduct electricity well.
25.
Which material is the best conductor of heat?
a)
aluminum
b)
glass
c)
wood
d)
plastic
26.
The wires connecting the battery and the light bulb create a closed circuit. What would happen if one of the wires were cut?
a)
The light would go out.
b)
The light bulb would crack.
c)
The wire would become hot.
d)
The battery would lose its crack.
27.
Which statement best describes the circuit in the diagram?
a)
It is a series circuit.
b)
It is a parallel circuit.
c)
There are 2 paths.
d)
The circuit is opened.
28.
What is created by a continuous flow of electrons?
a)
a switch
b)
an electric current
c)
a magnet
d)
the electric slide
29.
Switch
a)
The part of a circuit which can control whether electricity flows
b)
An electrical force which occurs as electrons are built up in an object
c)
A small device that stores energy in a chemical form
d)
The area of a conductor through which a current is able to move
30.
A small device that stores energy in a chemical form
a)
Complete circuit
b)
Switch
c)
Power source
d)
Battery
31.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
32.
When you charge an electroscope by touching it with a charged balloon, the process is called _____.
a)
friction
b)
conduction
c)
induction
d)
grounding
33.
The potential difference that causes charges to move in a circuit is ___.
a)
voltage
b)
resistance
c)
current
d)
electric discharge
34.
An example of a voltage source is a _____.
a)
voltmeter
b)
battery
c)
resistance
d)
switch
35.
A circuit that is connected to Earth is said to be _____.
a)
series
b)
parallel
c)
grounded
d)
discharged
36.
A neutral object becomes negatively charged when it loses electrons.
a)
true
b)
false
37.
What does a resistor do?
a)
Reduces the flow of electrons
b)
Reduce the flow of the current
c)
Increase flow of electrons
d)
Decreases the flow of electrons
38.
What is the unit of measurement for current
a)
Ohm's
b)
Amperes
c)
Volts
39.
In a parallel circuit with 2 lightbulbs, if you take out one lightbulb what will happen to the rest?
a)
They will all go out.
b)
The other one will stay on
40.
In an electrical circuit, what does this symbol represent?
a)
wire
b)
resistor
c)
lightbulb
d)
switch
41.
Voltage difference is related to the force that causes electric charges to flow.
a)
True
b)
False
42.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
43.
If the lights are off, the circuit is
a)
closed
b)
open
44.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
45.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
46.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
47.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
48.
When a balloon is rubbed on the hair ...
a)
negative charges are transferred from the hair to the balloon.
b)
both objects stay neutral.
c)
negative charges are transferred from the balloon to the hair.
d)
positive charges are transferred from the balloon to the hair.
49.
If you increase the voltage in a circuit, you will:
a)
increase the current
b)
decrease the current
c)
increase the resistance
d)
decrease the resistance
50.
What causes electricity?
a)
moving neutrons
b)
moving protons
c)
moving atoms
d)
moving electrons
51.
What would you do if an electrical circuit gets overloaded?
a)
repair with a new fuse
b)
unplug and plug back in
c)
flip the circuit breaker
d)
run and hide
52.
Circuit breakers and fuses protect ___________.
a)
devices from breaking
b)
devices from electricuting you
c)
devices from getting wet
d)
devices from overheating
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