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WorksheetsElectricity and Magnetism
Total questions: 40
Worksheet time: 17mins
Name
Class
Date
1.
When two magnets repel each other which poles are facing each other?
a)
Opposite Poles
b)
South and North
c)
North and North
d)
Positive and Negative
2.
What happens to the magnetic force as an object gets further away from the magnetic field?
a)
The force increases
b)
The force decreases
c)
The force stays the same
d)
There was no force to begin with
3.
What is a conductor?
a)
A material that stops electric current from flowing
b)
A material that allows electric current to flow easily
c)
a material with tightly bound electrons
4.
Which is an example of a conductor?
a)
Glass
b)
Plastic
c)
Copper
d)
Wood
5.
What is an insulator?
a)
A material that DOES NOT allow electric current to flow
b)
A material that DOES allow electric current to flow
c)
A material with loosely bound electrons
6.
Which is an example of an insulator?
a)
Rubber
b)
Copper
c)
Water
d)
Steel
7.
What is static electricity?
a)
The buildup of neutrons
b)
Electricity flowing through a current
c)
Particles staying perfectly still
d)
The buildup of electric charges on an object
8.
What is current electricity?
a)
Current electricity involves a continuous flow of neutrons
b)
Current electricity involves a continuous flow of protons
c)
Current electricity is a single transfer of electrons
d)
Current electricity is a steady flow of electrons
9.
How do you increase the strength of an electromagnet?
a)
Decrease the number of batteries and increase the number of coils
b)
Increase the electric current and decrease the batteries
c)
You cannot strengthen an electromagnet
d)
Increase the electric current and increase the number of coils
10.
What will happen to the other bulbs in the circuit if one bulb goes out?
a)
The other bulbs will go out
b)
The other bulbs will get brighter
c)
The other bulbs will get dimmer
d)
They will flash on and off
11.
What will happen when a light bulb is removed from the circuit below?
a)
The remaining bulbs will go out
b)
The remaining bulbs will brighten
c)
The remaining bulbs will dim
d)
The brightness of the remaining bulbs will not change
12.
Which of the following are two effects of Earth’s magnetic field?
a)
compass points to geographic north, auroras seen at the equator
b)
compass points to geographic south, auroras seen at the equator
c)
compass points to magnetic north, auroras seen at both poles
d)
compass points to geographic north, auroras seen at both poles
13.
Electric current that changes direction is called
a)
Generated current
b)
Mechanical energy
c)
Alternating current
d)
Direct current
14.
As electrons move, they make
a)
just electricity
b)
electricity and magnetic fields
c)
ferromagnetism
d)
atoms move
15.
What can you make visible by sprinkling iron filings around a magnet?
a)
the areas called domains
b)
the magnetic field lines
c)
the magnetic forces
d)
the north and south poles
16.
Where are the strongest magnetic effects on magnets?
a)
in the middle
b)
at both poles
c)
at the north pole
d)
at the south pole
17.
A machine that converts mechanical energy into electrical energy.
a)
Motor
b)
Generator
c)
Electromagnet
d)
Circuit
18.
A machine that converts electrical energy into mechanical energy.
a)
Generator
b)
Motor
c)
Parallel circuit
d)
Special Flashlight
19.
A completed path for the transfer of electricity
a)
generator
b)
motor
c)
circuit
d)
current
20.
The rate of the flow of electricity
a)
Ohm
b)
alternating current
c)
voltage
d)
current
21.
The SI unit for electrical resistance
a)
Volt
b)
Ampere
c)
Ohm
d)
Joule
22.
The SI unit for current
a)
Ampere
b)
Voltage
c)
Ohm
d)
Resistance
23.
The measure of an object's ability to transmit electricity
a)
Voltage
b)
Current
c)
Ampere
d)
Resistance
24.
A circuit with 2 or more paths
a)
Direct current
b)
Alternating current
c)
Series circuit
d)
Parallel circuit
25.
Which of the following is Ohm's Law
a)
F = ma
b)
V = IR
c)
P = VA
d)
E=mc2
26.
A material in which electrons are not able to flow easily is called a ___.
a)
circuit
b)
resistance
c)
insulator
d)
conductor
27.
In order for an electromagnet to be formed, an _______ current must pass through a coil of _____ wrapped around an ______ core.
a)
wire, iron, electric
b)
iron, electric, wire
c)
electric, wire, iron
d)
electric, battery, iron
28.
Rubbing a balloon on your head creates ______ electricity.
a)
static
b)
stationary
c)
current
d)
lightning
29.
Electrons have a ______ charge.
a)
positive
b)
negative
c)
neutral
d)
atomic
30.
Protons have a _________ charge.
a)
positive
b)
static
c)
neutral
d)
negative
31.
Electricity is the flow of ______.
a)
electrons
b)
neutrons
c)
protons
d)
particles
32.
This object breaks the flow of electricity.
a)
battery
b)
switch
c)
copper wires
d)
light bulb
33.
What will happen?
a)
move away from each other
b)
repel
c)
move toward each other
d)
spin
34.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
35.
If bulb 1 burns out in the circuit, what will occur?
a)
bulbs 2 and 3 will go out
b)
bulbs 2 and 3 receive more volts
c)
bulbs 2 and 3 will stay lit
d)
nothing will happen
36.
When a bar magnet is broken in half, what is the result?
a)
Two North poles
b)
Two South poles
c)
Two North poles and two South poles
d)
The bar loses its magnetic properties
37.
What do the lines around this magnet represent?
a)
Magnetic Force
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
38.
Where is the strongest attraction force of the magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
39.
If the lights are off, the circuit is
a)
closed
b)
open
c)
electrified
d)
in trouble
40.
A string of lights is lit. They are part of a series circuit. One of the bulbs is removed. The rest of the lights will
a)
go out
b)
stay lit
c)
get brighter
d)
get dimmer
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