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8th Grade Science Chapter 19 Section 1 Assessment
Terms in this set (8)
What is a magnet?
A magnet is any material that attracts iron and materials that contain iron.
What are three properties of a magnet?
1. A magnet attracts materials that contain iron.
2. A magnet attracts or repels other magnets.
3. It has one pole that points north when allowed to swing freely.
What will happen to a bar magnet that is allowed to swing freely?
The bar magnet will align itself in a north-south direction.
What area of a magnet has the strongest magnetic effect?
A magnet's poles have the strongest magnetic effect.
How does a magnet's north pole behave when brought near another north pole?
Two magnetic north poles repel each other.
How does a magnet's north pole behave when brought near a magnet's south pole?
A magnetic north and a magnetic south pole attract each other.
How can the behavior of two magnets show the presence of a magnetic force?
Unlike magnetic poles brought near one another...a force of attraction will tend to pull them together.
Like magnetic poles brought near each other... a force of repulsion will tend to push them apart.
What is a magnetic field?
An area of magnetic force around a magnet.
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