Magnets
The two poles of a magnet are the...
What is, the north and south pole?
A force that pulls two opposite things together.
What is, attraction?
Magnets gain an electric charge from the...
What is, the battery?
What does a magnetic field look like?
What is, it's invisible
The earth is like a magnet because...
What is, it also has a north and south pole?
The pole that a compass will naturally find is..
What is the north pole?
When 2 of the same forces face each other they push each other away.
What is, repel?
Paperclips are attracted to a magnet because
What is, they contain iron.
Magnets are not attracted to...(name 3 types of materials)
What is paper, glass, and rubber? (or plastic, wood)
By changing the direction of a battery this can be changed in an electromagnet?
What is, the magnetic field?
A magnet is only attracted to things that are...
What is, iron, cobalt, and nickel? (or metal)
The push or pull of an object is the definition of....
What is, force?
An electrified wire has a magnetic field that occurs (where)
What is, around the entire length of the wire.
This useful device is affected by the Earth's magnetic field.
What is, a compass.
This can be used as a ferromagnetic core.
What is, an iron nail?
What is the name of one naturally occurring magnet?
What is, Magnetite.
Lodestone and Iron oxide also correct
An attractive and repulsive phenomenon produced by a moving electric charge.
What is, magnetism?
The magnetic field generated by a simple wire is stronger or weaker than that of a coiled wire?
What is, weaker.
When a very strong current passes through it, this safety device will turn off.
What is, a circuit breaker.
Magnet's force is called...
What is, magnetism?
The magnetic field is strongest at the..
What is, the poles.
A coil of wire that acts like a magnet when a flow of electricity passes through it.
What is, a solenoid.
When additional coils are added to a solenoid the field gets
What is, stronger.
How might an electric motor be used in a washing machine?
What is, to make the machine spin.
Hans Oersted, a Danish scientist was surprised in what year to see that electricity and magnetism are related?
What is 1820?