PDF Notes: Magnetism 1

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    What are the poles of a bar magnet?

    A bar magnet has a north pole and a south pole.

    What does a compass do?

    It points in the north-south direction.

    What materials are considered magnetic?

    Materials that experience a force in a magnetic field.

    How do like poles behave?

    They repel each other.

    What happens to the force between magnetic poles as they move apart?

    The force decreases with increased separation.

    What is the shape of the magnetic field around a magnet?

    It forms continuous closed loops.

    What indicates the strength of a magnetic field?

    The spacing of the magnetic field lines.

    How does a compass needle align?

    It aligns with Earth's magnetic field.

    What is the direction of magnetic field lines?

    From the north pole to the south pole.

    What happens to magnetic materials near a magnet?

    They are always attracted to the magnet.