J7 Magnetic Materials

This section offers some interesting demonstrations of the properties of materials that underlie magnetic phenomena.

Articles
Image	Title
	J7-01: LODESTONE Demonstrate the natural magnetism of lodestone.
	J7-10: DIAMAGNETIC REPULSION OF WATER Demonstrate diamagnetism of water
	J7-11 PARAMAGNETISM AND DIAMAGNETISM Demonstrates paramagnetic and diamagnetic materials
	J7-12: CURIE POINT OF IRON Show the Curie point of iron.
	J7-13 CURIE POINT OF NICKEL Shows the Curie point of nickel
	J7-14: CURIE POINT OF DYSPROSIUM Show the Curie point of dysprosium, a normally non-magnetic material.
	J7-15: Paramagnetism of Dysprosium To illustrate room temperature paramagnetism
	J7-21: HYSTERESIS Demonstrate the hysteresis loop for an iron transformer core
	J7-23: MAGNETIC DOMAINS - MODEL Model the behavior of a magnetic material in a magnetic field.
	J7-24: BARKHAUSEN EFFECT Demonstrate flipping of magnetic domains in iron.
	J7-31: VISIBLE HARD DRIVE See what the guts of a fixed magnetic drive look like.