The Earth’s magnetic field is a natural magnetic field generated by the movement of molten iron in the Earth’s outer core. It protects us from solar radiation and aids in navigation using compasses.
Category: Class 6 Science
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Temperature affects magnetism by altering the alignment of magnetic domains. At high temperatures, thermal energy disrupts this alignment, reducing a magnet’s strength. Extremely high temperatures can even demagnetize a material.
One water body in India that contains common salt is Sambhar Lake in Rajasthan. Chapter 9 Methods of Separation in Everyday Life NCERT Book Curiosity Science Class 6
In a compass, a magnetized needle aligns itself with the Earth’s magnetic field, pointing toward the magnetic north. This allows users to determine direction relative to the Earth’s magnetic poles.
Magnets are used in various everyday applications, such as in fridge magnets, compasses, electric motors, speakers, and magnetic locks. They also play a critical role in industrial machinery and medical devices.