A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

Learn why the Sun’s magnetic field is just as important as Earth’s and its impact on our planet.

In the blink of an eye in geological time, Canada has lost one north pole but gained another, a new and different claim to be ...

Six-mark questions are extended open response questions. These require longer answers than the structured questions with fewer marks. It is wise to plan your answer rather than rushing straight into ...