What Are Magnets?: Magnetic Fields

The video tutorial explains that magnets produce a force known as magnetism, which is invisible but can affect other objects. It describes how magnets create a magnetic field, demonstrated by iron filings attracted to a magnet. The tutorial also highlights the ability of magnetic fields to penetrate solids and liquids, and mentions Earth's magnetic field extending into space.

What is the term used to describe the force produced by magnets?

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How can you observe the effects of magnetism if it is not visible?

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What is a magnetic field and how is it created?

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What materials can magnetic fields pull through?

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In what way does Earth's magnetic field extend?

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