The Basics
An object that is attracted to iron and magnetic materials.
What is a magnet?
Nickel, steel, iron, and cobalt.
What are magnetic materials?
Area around a magnet where its effect can be felt.
What is magnetic field?
The name of a natural magnet
What is a lodestone?
Adding more wire coils and batteries to the electromagnet.
What is increasing the strength of the magnet?
From north to south.
what is the way the magnetic field lines travel?
Strongest part of the magnets.
What are poles?
A magnet made from a material that easily loses its magnetism.
What is a temporary magnet?
A device that has a magnetized needle that spins freely.
What is a compass?
This form of energy magnetized an iron core or nail.
What is electricity?
Repulsion
What is two like poles coming together?
Two kinds of magnets
What are natural and man-made magnets?
A magnet that keeps its magnetism for a long period of time.
What is a permanent magnet?
Another name for lodestone.
What is magnitite?
Opening the circuit or turning off the switch of an electromanet.
What is deactivating the magnet?
The lines that map out the magnetic field around a magnet?
What is magnetic field lines?
This magnet is rectangular in shape.
What is a bar magnet?
All metals are attracted to a magnet.
What is false?
Heating, striking, dropping, or breaking a magnet apart.
What is detroying a magnet?
Doorbells, electric bells, stereos, transformers.
What are the uses of an electromagnet?
Attraction
What is two opposite poles facing each other?
This magnet is shape like a u.
What is a u-shaped magnet?
Like poles repel and unlike poles attract.
What is the law of magnetism?
What is a magnetic rock found in nature called?
A lodestone
Electrical Engineer who designed the first electromagnet.
Who is William Sturgeon?