Magnetic Fields End0Of-Unit Assessment

Front

What is a magnetic field?

Back

A magnetic field is a region around a magnet where magnetic forces can be detected. It is represented by magnetic field lines that show the direction and strength of the magnetic force.

Front

What happens when two like poles of magnets are brought close together?

Back

They repel each other.

Front

What happens when two opposite poles of magnets are brought close together?

Back

They attract each other.

Front

What is potential energy in the context of magnets?

Back

Potential energy is the energy stored in an object due to its position in a magnetic field. The further away an object is from a magnet, the higher its potential energy.

Front

How does moving a magnetic object away from a magnet affect its potential energy?

Back

Moving a magnetic object away from a magnet increases its potential energy.

Front

What is the significance of measuring the distance at which magnets attract objects?

Back

It helps determine the strength of different magnets; stronger magnets will attract objects from a greater distance.

Front

What is the role of magnetic field lines?

Back

Magnetic field lines visually represent the strength and direction of a magnetic field. The closer the lines, the stronger the magnetic field.

Front

What is the effect of distance on the strength of a magnetic field?

Back

The strength of a magnetic field decreases as the distance from the magnet increases.

Front

What is a magnetic pole?

Back

A magnetic pole is one of the two ends of a magnet where the magnetic force is strongest. Every magnet has a north pole and a south pole.

Front

What is the principle of magnetic attraction and repulsion?

Back

Magnets attract materials that are ferromagnetic and can either attract or repel other magnets depending on the orientation of their poles.