Science Snacks: magnetic field | Exploratorium

Science activity that demonstrates a magnetic field created by electromagnet

Circles of Magnetism

Make a magnetic field that's stronger than Earth's.

Science activity that demonstrates the eddy current phenomenon

A magnet falls more slowly through a metallic tube than it does through a nonmetallic tube.

Science activity that models the motion of electrons

Electric Current Model

Use magnets to model the motion of electrons.

A science activity that makes the patterns of a magnetic field visible

Magnetic Lines of Force

Iron filings trace out magnetic field lines in three dimensions.

Science activity that explores magnetic lines of force

Magnetic Shielding

Magnetic lines stop here.

Science activity that demonstrates magnetic field coupling

Hear the magnet!

Science activity that reveals the earth’s magnetic field using hanging magnets

Hanging magnets reveal the earth’s magnetic field.