Curated OER
Magnetic Field Lines
A large magnet is inserted into a tank of floating iron filings to reveal the magnetic field. Use this to show the shape of a magnetic field as well as how its strength appears to decrease the farther away from the magnet. The video is...
Curated OER
The Universe - Secrets of The Sun 4/5
Solar storms is the topic of part four of the five-part series on the secrets of the sun. Learn about auroras, CMEs, solar flares and the damage it could cause here on Earth. The most interesting fact in this clip is the fact that solar...