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10Earth possesses magnetic properties and acts like a huge magnet.
The geomagnetic poles and geographic poles are at the exact same location.
A freely suspended magnet always aligns in a north-south direction.
Terrestrial magnetism helps protect Earth from harmful charged particles of the solar wind.
Magnetic declination is the angle between the geomagnetic meridian and the geographical meridian.
The angle of declination is always 0° everywhere on Earth.
Magnetic inclination or angle of dip is measured using a dip circle.
The angle of dip at the magnetic equator is 90°.
Terrestrial magnetism helps in navigation using compasses.
Magnetic materials in igneous rocks help determine the age of rocks.
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Geomagnetism is also called:
The geomagnetic poles are generated by:
Evidence of terrestrial magnetism includes:
Magnetic declination is measured in:
The angle of declination at the geomagnetic poles is:
The angle of declination at the geomagnetic equator is:
Which instrument is used to find magnetic inclination?
The angle of dip in Kathmandu is approximately:
A magnetic compass needle aligns with:
Terrestrial magnetism is used in:
The magnetic properties of the Earth are called ______.
The angle between the geographical meridian and geomagnetic meridian is called ______ declination.
The value of magnetic declination at geomagnetic poles is ______°.
The value of magnetic declination at the geomagnetic equator is ______°.
The angle made by the needle of a freely suspended magnet with the horizontal is called ______ of dip.
Magnetic inclination is measured using a ______ circle.
The angle of dip at the magnetic equator is ______°.
Terrestrial magnetism helps protect Earth from harmful ______ wind particles.
Terrestrial magnetism is generated by ______ currents of molten iron and nickel.
A freely suspended magnet always points toward ______ north and south.