WorksheetsMagnetism
Total questions: 45
Worksheet time: 1hrs 11mins
A device that uses a free-moving magnetic needle to show direction is a:
Ruler
magnet
compass
magnetic field
Which best describes a magnet?
all metals
all non-metals
a material having the property of attracting iron and producing a magnetic field
metals such as silver, gold, platinum
How do we know magnetic fields are present around a magnet?
We can visibly see them with our eyes.
We can observe the attraction and repulsion of magnetic fields.
We can see the magnetic field with an infrared thermograph
Are the Earth's Geographic Pole and Magnetic Pole in the exact same location?
Yes, they line up perfectly.
Yes, but only one day a year December 31st.
No, they are close but do not exactly line up.
A current is produced when _______________ flow in a circuit.
protons
neutrons
electrons
nucleons
What happens when an electric current flows through a wire?
The wire begins to spin.
Nothing happens.
A field of gravity is created around the wire.
A magnetic field is created around the wire.
The south ends of two magnets will _________ each other.
repel
attract
________________ are the attractive and repulsive forces between two poles.
Magnetic forces
Electric forces
Magnetic charges
Electric charges
What does this image show?
Parallel circuit
Series circuit
Magnet
Electromagnet
What is/are the difference(s) between a magnet and an electromagnet?
An electromagnet can be turned on/off.
A magnet can be turned off.
An electromagnet is stronger.
A _______________ is a current-carrying coil of wire with many loops.
magnet
electromagnet
solenoid
compass
The area around a magnet is called the .....
attraction zone
work area
magnetic field
hot zone
The magnetic ____________ around a bar magnet is shown above.
legs
flowers
field
direction
The picture above is an example of what?
Magnetic field
Electric field
Repulsion
Attraction
What letter represents where an iron nail would feel the greatest attractive attractive pull?
A
B
C
D
Which electromagnet is stronger?
A
B
Which electromagnet is stronger?
A
B
Which of these bests describes an electromagnet?
A permanent magnet made from electric currents.
A temporary magnet made from electric currents.
A temporary magnet made from magnetic currents.
Which of the following will increase the strength of an electromagnet?
Increase the voltage of the battery
Decrease the voltage of the battery
Wrap the coils around the core less times
Particles with opposite charges ____________ and particles with same (or like) charges ____________.
attract, repel
repel, repel
attract, attract
repel, attract
Which of the following is not a good conductor?
Copper
Silver
Aluminum
Plastic
The ______ are regions where the magnetic force by a magnet is strongest.
magnetic field lines
anodes
magnetic poles
cathodes
Which of the following devices produces electric current?
generator
stereo speaker
galvanometer
electric motor
When placed between magnets, the wire moves depending on the...
direction the current flows through the wire
size of the current flowing
size of the wire
magnet's emotional state
Electrical current always flows from...
positive to negative terminals
negative to positive terminals
east to west terminals
north to south terminals
Electrical energy can be transformed into mechanical energy using a...
motor
solenoid
transformer
electromagnet
What turns the pointer of the galvanometer?
an electromagnet
a motor
a permanent magnet
a brush
When something moves, this is considered to be what type of energy?
mechanical energy
electrical energy
thermal energy
nuclear energy
