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WorksheetsEMag Comp Quiz
Total questions: 33
Worksheet time: 36mins
Name
Class
Date
1.
Magnetism is generated by moving
a)
protons.
b)
electrons.
c)
neutrons.
d)
elements.
2.
If you place the North pole of a magnet next to the South pole of another magnet, they will:
a)
Attract
b)
Repel
c)
Do nothing
d)
Shatter
3.
As the distance between two magnets increases (they get farther apart), the force between them:
a)
Increases
b)
Decreases
c)
Stays the Same
4.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
5.
The lines on this image are called...
a)
magnetic field lines
b)
iron fillings
c)
graphite lines
d)
none of these
6.
The center of a bar magnet is the strongest
a)
True
b)
False
7.
The atoms of a magnetized substance organize into regions in which the magnetic fields of the atoms are aligned.
a)
spins
b)
domains
c)
energy levels
d)
arrangements
8.
What does the switch do in a circuit?
a)
It supplies the power.
b)
It carries electricity.
c)
It opens and closes the circuit.
d)
It is an insulator.
9.
measure of resistance
a)
watt
b)
ohm
c)
volt
d)
amp
10.
Walking across a carpet is an example of charge being transferred by
a)
friction.
b)
induction.
c)
contact.
d)
static electricity
11.
In a battery cell, which form of energy is converted into electrical energy?
a)
Chemical energy
b)
Solar energy
c)
Mechanical energy
d)
Electrical energy
12.
What is the difference between direct current and alternating current?
a)
Direct current is the flow of electricity in only one direction, while alternating current reverses its direction at regular intervals of time.
b)
Alternating current is the flow of electricity in only one direction, while direct current reverses its direction at regular intervals of time.
c)
They are both the same thing, the only difference being the geographical area in which the term is being used.
d)
None of these answers are correct.
13.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
a)
parallel
b)
series
c)
open
d)
closed
14.
A conductor is a
a)
material that does not allow electrons to flow easily.
b)
material that allows electrons to flow easily.
c)
device the detects an electric charge.
d)
device the changes voltage.
15.
A positive charge in an atom can be achieved by...
a)
adding protons
b)
taking away electrons
c)
adding protons OR taking away electrons
16.
The girl's hair and the comb are attracting one another. The hair and the comb have
a)
opposite charges
b)
like charges
17.
Two things with opposite charges will
a)
attract one another.
b)
repel one another.
18.
What is an example of a conductor?
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
19.
Who was the inventor of AC?
a)
Thomas Edison
b)
Nikola Tesla
c)
JP Morgan
d)
George Westinghouse
20.
Who was the inventor of DC?
a)
Thomas Edison
b)
Nikola Tesla
c)
JP Morgan
d)
George Westinghouse
21.
Ohm's Law explains the relationship between voltage, current, and _____________
a)
power
b)
resistance
c)
circuits
d)
electricity
22.
In a ___________ circuit, each device connects to the electric source with separate path.
a)
series
b)
parallel
c)
alternating
23.
Surrounding every magnet is a __________ __________.
a)
magnetic field
b)
electrical current
c)
another magnet
24.
A temporary magnet made from electric current is a(n) __________________
a)
bar magnet
b)
horseshoe magnet
c)
electromagnet
d)
generator
25.
Which of the following metals is NOT magnetic?
a)
Copper
b)
Iron
c)
Nickel
d)
Cobalt
26.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
27.
True or False: All metals stick to magnets.
a)
True
b)
False
28.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
29.
What kind of circuit is this?
a)
series
b)
parallel
30.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
31.
What type of energy comes OUT of a generator?
a)
Mechanical
b)
Electrical
c)
Thermal
d)
Potential
32.
Eileen tried each of these setups to make a working circuit.
In which setup would the bulb light?
In which setup would the bulb light?
a)
Setup A
b)
Setup B
c)
Setup C
d)
Setup D
33.
How does a compass work?
a)
It contains a motor which makes it spin and point north
b)
When it points north, it generates electricity when it is near a wire
c)
Because it is made of cobalt, a compass points towards magnets, like the huge ones located at Earth's north and south poles
d)
It is a freely spinning magnet that aligns with Earth's magnetic field
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