What is a Magnetic Field?

A magnetic field is the area around a magnet where its force is active. This force affects other objects and magnets within the field, causing them to either be attracted or repelled. In physics, a magnetic field is represented by imaginary lines that show the direction and strength of the force. These lines are called magnetic field lines. Understanding magnetic fields is essential in comprehending the behavior of magnets and electromagnets, which are crucial in various scientific and technological applications.

In the context of Grade 7 Science in the USA, students will explore the fundamentals of magnetism and its impact on the world around them.