What happens as the compass moves in the magnetic field?

Notice that when the magnet is absent, the compass needle points north, but when the magnet is present, the needle points toward the magnet. This is because the compass needle is magnetized and mounted in a way that allows it to move in response to magnetic fields.

How a magnetic compass can be used as evidence for the Earth’s magnetic core?

Scientists believe that this field is produced by convection currents in the Earth’s core, which is made from iron and nickel. When a plotting compass is placed in the Earth’s magnetic field, the north pole of the compass will line up with the Earth’s magnetic field lines and point to magnetic south.

What would cause the compass needle to point in that direction using the terms magnetic force and magnetic field?

A compass needle points north because the north pole of the magnet inside it is attracted to the south pole of Earth’s built-in magnet.

What is the relationship between the magnetic lines of force and a magnetic field?

The magnetic lines of force, indicate the region in which the force of the magnet can be detected. This region is called the magnetic field. The magnetic lines of force, or flux, leave the north pole and enter the south pole.

How does a compass work ks3?

The north pole (north-seeking pole) of the compass needle points towards the Earth’s north pole. If the needle points to the N on the dial, you know that the compass is pointing north. This lets you navigate outdoors using a map.

What is our best evidence that Earth has a magnetic field?

The best proof is to use a direction compass to see where the north position points, and you will notice that it always points to the north and south poles. Hence, the correct answer is option B.

Why does the needle of a compass always point to the north?

The north pole of a compass magnet points toward the north. Earth’s south magnetic pole is near Earth’s geographic north. Earth’s magnetic north pole is near Earth’s geographic south. That’s why the north pole of a compass points toward north because that’s where Earth’s south magnetic pole is located and they attract.

What are magnetic lines of forces?

Magnetic Lines of Force is a an imaginary line representing the direction of magnetic field such that the tangent at any point is the direction of the field vector at that point.

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