GEOLOGY

Detailed explanation-1: -Magnetic compasses consist of a magnetized needle that is allowed to rotate so it lines up with Earth’s magnetic field. The ends point to what are known as magnetic north and magnetic south.

Detailed explanation-2: -A compass has a magnetic needle that can rotate freely. When a compass is kept at a place, the magnetic needle aligns in a north-south direction.

Detailed explanation-3: -Alternate titles: mariners compass.

Detailed explanation-4: -a slender magnetized steel rod that, when adjusted to swing in a horizontal plane, as in a compass, indicates the direction of the earth’s magnetic fields or the approximate position of north and south.

Detailed explanation-5: -The needle of a compass is made up of a magnet.