Magnetism

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What is magnetism?

Back

Magnetism is a force of attraction or repulsion that occurs between two magnetic objects.

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What is a magnetic field?

Back

A magnetic field is the area around a magnet where magnetic forces can be observed.

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What happens when two north poles of magnets are brought together?

Back

They repel each other.

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What happens when a north pole and a south pole of magnets are brought together?

Back

They attract each other.

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

Back

The shape of a magnetic field can be visualized using iron filings, which align along the field lines.

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What is the Earth's magnetic field?

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The Earth produces its own magnetic field, which is similar to that of a bar magnet.

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What materials are attracted to magnets?

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Materials like iron, nickel, and cobalt are attracted to magnets.

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What is the role of iron filings in studying magnetic fields?

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Iron filings are used to visualize the invisible magnetic field lines.

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What are magnetic poles?

Back

Magnetic poles are the ends of a magnet where the magnetic force is strongest; they are labeled as north and south.

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What is the difference between permanent magnets and temporary magnets?

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Permanent magnets maintain their magnetism over time, while temporary magnets only exhibit magnetic properties when in a magnetic field.