Vocabulary
Magnets
Electromagnets
Magnetic Effects
Misc.
100
A force that acts on moving electric charges and on magnetic materials that are near a magnet.
What is Magnetism
100
Can you ever have one magnetic pole without the other?
What is no.
100
What makes an electromagnet? A coil of wire or straight wire?
What is coiled wire.
100
What object's needle always moves to point north and south?
What is a compass.
100
Which can be used to make a simple magnet; a penny, rubber, or a magnet?
What is a magnet.
200
What are the two ends of a magnet?
What is magnetic poles
200
Where is the magnetic field strongest?
What is at the magnetic poles.
200
Name two sound devices that have electromagnets.
What is a doorbell and earphones.
200
What happens when a magnetic north pole and a magnetic south pole are near each other?
What is they attract.
200
True or False? Is Earth's magnetic poles match its north pole and south pole?
What is no.
300
The space around a magnet in which magnetic forces operate?
What is a magnetic field.
300
What lifts and propels a maglav train?
What is magnetic force.
300
What electromagnet is able to observe organs and tissues inside a body without cutting into the body?
What is a Magnetic Resonance Imaging (MRI).
300
What causes the compass needle to move?
What is the Earth's magnetic field.
300
A device that uses a moving magnet inside a coiled wire to produce electricity is called?
What is a dynamo.
400
A coil of wire with man loops through which an electric current passes?
What is an electromagnet.
400
If a magnet breaks, what happens to the broken edge?
What is becomes a magnetic pole.
400
Name two ways to increase the strength of an electromagnet.
What is using an iron or steel bar, thicker bar, add more coils, stronger battery, or more batteries.
400
What causes Earth to be a magnet?
What is the outer core that is made up of iron.
400
How are electric current and magnetic fields related?
What is electric currents produces a magnetic field, and magnets in motion produce electricity.
500
A machine that uses moving magnets to produce electrical energy?
What is a generator.
500
Describe how magnetic poles behave.
What is opposite attract and like/same repel.
500
How is an electromagnet made?
What is by wrapping/coiling wire around a bar and attaching the wire to a battery.
500
You are walking through the forest using a compass and the needle moves away from point northward. What caused the needle to move?
What is a magnetic rock.
500
Name a mineral that is magnetic.
What is magnetite or loadstone.
M
e
n
u