Magnetism -1
Magnetism-2
Magnetism -3
Electro Magnetism
100
State the law of Magnetism.
Opposite poles attract; like poles repel
100
The North end of a magnet will attract the______ end.
South end.
100
What is attract ?
Attract means to pull toward or draw close
100
What is electromagnetism?
When electricity and magnetism work together to make something magnetic
200
Magnets can attract or______ other magnets
repel
200
If you break a magnet, what are the poles that you would then have?
BOTH pieces would have a North pole and a South pole.
200
Each magnet has two ends. What are these poles called?
North and South
Positive and Negative.
200
What thing can we make with electromagnetism?(name 3 of them)
Generators, motors, and transformers
300
In a nonmagnetic substance, electrons are _________ arranged.
randomly
300
What will happen with the North and North end are put together
They will repel each other.
300
What is a magnet?
A material that produces an invisible magnetic field.
300
What are two of the thing's that make electromagnets stronger?
Increase the number of coil turns or increase the current or voltage
400
What are iron, cobalt, gadolinium, and steel?
Are substance that are attracted to a magnet
400
What is a magnetic field?
The force surrounding a magnet
400
What do the iron shavings in this picture form?
field lines
400
Electromagnetism is a two-way link between?
Electricity and Magnetism
500
All magnetic substances can
push or pull something without touching
500
What are the poles?
Where is the force of attraction the strongest on a magnet.
500
Describe in detail what causes the paperclips to stick together.
- The paper clips are ferromagnetic
-They are made of iron and are attracted to the magnet.
Answers may very.
500
What happens around ANY wire powered with electricity?
A magnetic field is generated.