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
Experiment : Magnetic Field Viewer
Iron filings are suspended in a bottle of baby oil and then a magnet is held up to it to bring the magnetic field to view. The remainder of this homemade video gives the instructions for making this 3-D magnetic viewing cell from common...
Curated OER
Magnetic Fields
A young boy, "Science Ben," smiles and follows the directions of the narrator as he traces the path of a magnetic field with a magnet. This is a demonstrative video that helps young physical scientists visualize the magnetic field. Show...
Curated OER
What is the Magnetic Field?
Not only does the Tabletop Explainer reveal a magnetic field with iron filings, he also uses diagrams to explain rules for drawing one. He concludes with a couple of "What Do You Think?" questions to encourage deeper thinking. Have your...
Curated OER
Science Fair Project - Electric Pulse Motor
As a complex project, it's ideal for your older learners. Discuss electric currents and solar energy before building the motor to preload information. While sound is not included here, the steps are described through text and visual...