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WorksheetsSps10b Sps10c
Total questions: 27
Worksheet time: 20mins
Name
Class
Date
1.
A force of attraction/repulsion due to the spin of electrons.
a)
Electricity
b)
Magnetism
c)
Current
d)
Ohm
2.
A machine that converts electrical energy into mechanical energy.
a)
Generator
b)
Motor
c)
Parallel circuit
d)
Ohm
3.
A completed path for the transfer of electricity
a)
generator
b)
motor
c)
circuit
4.
A circuit with 2 or more paths
a)
Direct current
b)
Alternating current
c)
Series circuit
d)
Parallel circuit
5.
An electric current flowing in one direction only
a)
direct current
b)
alternating current
c)
series circuit
d)
parallel circuit
6.
A strong, short-lived magnet created by a looped current.
a)
Electromagnet
b)
Current
c)
Electricity
d)
Generator
7.
When two magnets repel each other which poles are facing each other?
a)
North and South
b)
South and North
c)
North and North
d)
Positive and Negative
8.
What is a conductor?
a)
A material that stops electric current from flowing
b)
A material that allows electric current to flow easily
9.
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
10.
What is static electricity?
a)
The buildup of neutrons
b)
Electricity flowing through a current
c)
Particles staying still
d)
The buildup of electric charges on an object
11.
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
12.
How are electromagnets different from regular magnets?
a)
Their strength can be changed
b)
They can be turned on and off
c)
Their polarity can be reversed
d)
All choices are correct
13.
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
14.
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
15.
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
16.
What is created when a magnet moves through a coil of wire?
a)
An electric current
b)
An electromagnet
c)
A solenoid
d)
A ferromagnet
17.
Electric current that changes direction is called
a)
Generated current
b)
Mechanical energy
c)
Alternating current
d)
Direct current
18.
Surrounding every magnet is a _______ _______.
a)
magnetic field
b)
another magnet
c)
electrical current
d)
polar field
19.
What kind of circuit?
a)
series
b)
parallel
c)
light bulb
d)
consecutive
20.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
21.
Which of the following is shown in the picture?
a)
Electromagnet
b)
Electric generator
c)
Electric motor
d)
Transformer
22.
Type of current that flows in the same direction.
a)
Electrical current
b)
Alternating Current
c)
Direct Current
d)
Electromotive Force (EMF)
23.
Magnets are typically made of which materials?
a)
Silver, Gold, Platinum
b)
Iron, Nickel, Cobalt
c)
Aluminum, Foil, Titanium
d)
Nickel, Cadmium, Lithium
24.
Each time a lightbulb is added to a series circuit, the other bulbs in the circuit
a)
get brighter
b)
get dimmer
c)
stay the same brightness
d)
release more heat
25.
A scientist observed that the needle of a compass moved when it was placed near a wire carrying an electric current. What did this observation show?
a)
Opposite charges attract.
b)
Electric current generates a magnetic field.
c)
Magnetized wires generate electricity.
d)
Like charges repel.
26.
What is the purpose of a generator?
a)
to convert electrical energy to mechanical energy
b)
to convert chemical energy to electrical energy
c)
to convert mechanical energy to electrical energy
d)
to convert mechanical energy to heat energy
27.
How are electricity and magnetism similar?
a)
like poles/charges repel each other
b)
unlike poles/charges attract each other
c)
moving electric charges create magnetic fields, and magnetic fields exert a force on electric charges.
d)
all of the above
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