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Magnetism

Magnets are alluring tools for teachers and students to use in demonstrations. Draw in your students when you apply one of these demonstrations in your next lesson on magnetism.

Magnetic Slime

Making slime out of glue and borax is a popular polymer experiment in many science classrooms. With a simple addition, you can make slime that is attracted to a magnetic field!

Superconductivity Demonstration Kit, AP1489

Superconductivity Demonstration Kit shows how you can make a magnet levitate this this kit.

Magnetic Slime

Making slime out of glue and borax is a popular polymer experiment in many science classrooms. With a simple addition, you can make slime that is attracted to a magnetic field!

Properly Store Your Magnets

Properly Store Your Magnets shows three simple storage tips to make sure your magnets stay in good condition in this Flinn Physical Science Minute.

Floating Clip

Floating Clip shows that tricking students isn't unfair if it causes them to re-examine assumptions they didn't know they were making.

Attractive Nickel

Attractive Nickel demonstrates the concept of unpaired electrons, electrons, and electron configuration.

Cow Magnet Learning Cycle

Cow Magnet Learning Cycle goes over uses for a common magnet, and discusses the importance of teachers sharing ideas and best practices.

Cow Magnet Learning Cycle

Explore the scientific method and use a cow magnet to show a three-dimensional magnetic field, demonstrate the activity series in an unusual way, present an analogy for a bond, and give an example of antiscience. But first, let’s look at the magnetic properties of cereal!

Cow Magnet

Use a cow magnet to demonstrate a three-dimensional magnetic field, the amount of iron in breakfast cereal, and to show in an unusual way that not all metals are magnetic.

Magnetic Metals

A common misconception students have regarding magnetism is that all metals are magnetic or are attracted to a magnet. Used as a demonstration or a student activity, this simple test dramatically shows that only certain metals are affected by a magnetic field.

Magnetic “Hydrojet”

In the Tom Clancy novel, The Hunt for Red October (1984), and movie of the same title (1990), a submarine was designed with a unique, silent-running propulsion system. The novel refers to this system as a hydrojet, whereas the movie calls it a magnetohydrodynamic drive, or “caterpillar” drive. Show your students the principles behind this propulsion system and discuss whether it would be powerful enough to push a submarine.

Simple Iron Nail Motor

Build the “simplest” motor from only four components: a battery, a magnet, a piece of wire, and an ordinary iron nail.