Earth's Magnetism

IMPORTANT

Earth's Magnetism: Overview

This Topic covers sub-topics such as Aurora Borealis, Earth's Magnetism, Angle of Dip, Angle of Declination, Migration of Arctic Tern, Magnetic Equator, Dip Circle, Geographic Meridian and Magnetic Meridian and, Snail Racing

Important Questions on Earth's Magnetism

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The canter and gallop are variations on the fastest gait that can be performed by a horse.

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The gallop is the fastest gait of the horse, averaging about 40 - 48 kilometres per hour.

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Snail are related to the earth's magnetism.

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Define magnetic inclination.

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Define aurora borealis.

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The geographical north pole of earth is actually approximately the magnetic south pole of it.

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Define Dip circle.

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Explain snail racing on the basis of earth's magnetism.

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Magnetic sensors detect changes in magnetic fields and derive physical property information from them.

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What does sensing magnetic field indicates?

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Explain the migration of Arctic Tern and earth's magnetism.

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Describe the migration of Arctic Tern.

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Earth's magnetic field always has a horizontal component except at

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The earth's magnetic field

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A line passing through the places having zero value of magnetic dip is called _____ (aclinic/isoclinic) line.

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A dip needle in a plane perpendicular to the magnetic meridian will remain (vertical/horizontal).

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How do living things adapt to the different conditions such as cold, hot, etc.?

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The earth's magnetic field