+15 science points on completion
Dr. Beaker · Lab Chemist
Great choice, Junior Scientist! Today we're doing the "Homemade Magnetic Compass" experiment. Let me explain what we'll discover together. Earth has a magnetic field. The magnetized needle aligns with Earth's field, pointing north-south — just like a real compass that explorers use to find their way!
Magnetize a needle by rubbing it with a magnet in one direction 30 times.