Magnets and Magnetic Fields Flashcards

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1
Q

What is a Magnet?

A

A magnetically charged metallic piece that exerts magnetic forces on other objects.

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2
Q

What is a Magnetic Pole?

A

One of two ends of a magnet, it has opposing magnetic qualities to the other end.

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3
Q

What is a Lodestone?

A

The first naturally occurring magnetic rock, which is also a permanent magnet.

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4
Q

What is a Permanent Magnet?

A

A magnet that is always magnetic.

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5
Q

How is somethings magnetic force described?

A

An object’s magnetism is referred to as magnetically hard or magnetically soft.

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6
Q

What are some Hard and Soft Magnets?

A

Iron is a soft magnet while cobalt and nickel are hard ones.

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7
Q

What is the difference between Hard and Soft magnets?

A

Harder magnets lose their magnetism much more slowly compared to soft magnets.

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8
Q

How do Magnetic Poles react to eachother?

A

Opposite poles attract each other while like ones repel each other.

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9
Q

What are the two Poles of a magnet?

A

North and South.

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10
Q

What is a Magnetic Field?

A

A region where a magnetic force can be detected.

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11
Q

What is a Geographic Pole?

A

The true North and South poles of the earth.

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12
Q

What is strange about compasses when they point north?

A

They don’t actually point to our Geographic North Pole, they point to our Magnetic North Pole which is in Northern Canada.

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13
Q

How do Compasses work?

A

By tracking magnetic fields.

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