So, imagine you have a big metal ball inside the Earth, and it's called the core. The core is super hot and it's always moving around, kind of like soup boiling in a pot on the stove. This movement makes something called a magnetic field, which is like a big invisible force field all around the Earth.
Intermagnet is a group of people and scientists who study this magnetic field. They have set up a bunch of special machines called magnetometers all over the world to measure the magnetic field. Think of magnetometers like little robots with superpowers that can measure the strength and direction of the magnetic field at different places around the Earth.
By studying the magnetic field, scientists can learn a lot of things about the Earth, like how it's changing over time and how it's affected by things like the sun and other space stuff. They can also use the data to make cool maps and models to help us understand the amazing world we live on!