magnet study guide
Terms
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- because of the earth's magnetism
- why does the needle on a compass always point north.
- electro magnet
- An _______ _______ is an example of a wire wrapped around a core.
- more
- It takes ________ effort to push like poles together.
- magnetic field
- is the space around a magnet
- magnetism
- is the pushing or pulling force of a magnet
- strongest at the poles
- where is the magnetic field of any magnet greatest.
- north and south
- each magnet has a _______ and ________ pole.
- shape and direction
- ________ and __________ are two properties of a magnetic field.
- less
- I takes _________ effort to push unlike poles together.
- by adding another battery, get more coils and increase core size
- how can you make an electromagnet stronger.
- nails, tin cups, screws, bolts, paper clip, staples, anything made of metal
- Name some types of items that would be attracted to a magnet. What do thry all have in common.
- it would loose its magnetism
- what would happen if you turned off the electromagnet.