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Last edited 26 days ago by Learn LoopHQ.

Chapter: 07. Magnetism

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What is the primary difference in material between a permanent magnet and a temporary magnet?

What is the process called when a magnetic material temporarily or permanently gains magnetic properties?

Name one example of a natural magnet.

What material is typically used for the core of a temporary electromagnet?

What happens when the north pole of one magnet is brought near the north pole of another magnet?

How do animals like migratory birds utilize Earth’s magnetism?

What is the double touch method of magnetisation?

Do magnetic lines of force intersect each other?

Who was William Gilbert, and what significant discovery did he make regarding Earth’s magnetism?

What are the imaginary curved lines representing a magnetic field called?

List two common shapes of artificial magnets.

Where is the magnetic force always maximum on a magnet?

In which direction does a freely suspended magnet always align itself?

How can an electromagnet be made into a permanent magnet?

What is the location of Earth’s magnetic north pole relative to its geographic poles?

Give two examples of non-magnetic substances.

What is the property of attracting iron and other materials called?

List three different uses of magnets in daily life.

Name one action that can cause a magnet to lose its magnetic properties besides heating or hammering.

Why is repulsion considered the surest test of magnetism?

What are the soft iron pieces called that are used to store magnets?

When making a magnetic compass by floating a magnetised needle in water, what important precaution should be taken with the cork?

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