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Magnetism!!
What is a magnet?
A magnet is _________________________________________________________________________________________
What is magnetism?
Magnetism is _________________________________________________________________
What are poles of a magnet?
__________________________________ _______ is called a pole.
This is where the magnetic force is the _______________________.
If a magnet was held by a string, ___________________________________________________.
Hence, a magnet has ____________________________________________________________
What is a magnetic field?
________________________________________________ is called the magnetic field.
Label the magnetic field in the pictures above.
How do poles act like electrical charges?
Opposites _________________________
Like _____________________ like
Why? ________________________________________________________________________
The earth is a giant magnet!
The ____________ _________ core of the earth gives the earth a
________________ field much like a bar magnet.
What is a compass?
A ______________ helps you see what _________________ you are facing. The
____________ is a _______________ that points toward the ____________
and ____________ poles.
Electricity and Magnetism – how are they related?
When an _____________ current passes through a wire a _______________ field is formed.
What is an electromagnet?
When an _____________ current is passed through a _________ of wire
wrapped around a ____________ core, a very strong _________________
field is produced. This is called an _______________________.
Closure questions:
1. The two ends of a bar magnet that point north-south are called the ______________.
2. The region around a magnet where the magnetic force acts is its _________________ .
3. Would the magnets below be attracted to one another or repel one another?