Magnetism

The compass was first used in 206 B.C., but we didn't discover magnetic poles until 1263 A.D. Presentation begins with the history of magnetism before continuing on to magnetic fields, magnetic forces, electromagnets, currents,...

Put the fun in physics with ferrofluid! Aside from making cool shapes when it interacts with a magnet, what else can we learn from ferrofluid? A video from an extensive physics playlist examines the similarities between the...

Attract learners to science by studying largest magnet in the galaxy. The video explains why the sun is technically a magnet and how the magnetic fields causes solar storms. It also covers the effects of solar storms on the earth such as...

Let this video teach the basics of magnetism for you in a flipped classroom scenario. In a six-and-a-half minute feature, physics fans find out about the intrinsic properties of magnetism and its relation to electricity.

Cancerous tissues contain more water than normal tissue, which causes the cancerous tissue to resonate longer on the screen and be seen. High school learners can see how MRIs detect tumors in someone's head. Radio transmitters emit their...

Our atmosphere is pretty amazing! How does it minimize the effects of solar weather? Scholars discover Earth's first line of defense against the sun—the magnetosphere. The activity, one of several in a sun unit from NOVA, explains how...

Ready to have an a-MAZE-ing time teaching electrostatics? Introduce physical science superstars to an engaging resource that tests their knowledge of attractive and repulsive forces. Pupils change the charge of a ball to guide it through...

So, what's the big deal about plasma? Part two of a 14-part series of videos about solids, liquids, and gases helps scholars gain understanding of this important fourth state of matter. The video describes how a gas becomes plasma, how...

Chemical attraction? Yes! High schoolers will be fascinated by the science behind the romantic feelings. They may be surprised that the eyes act first, drawing us to take a closer look, and the nose acts next, sensing major...

Spice up a nutrition, biology, or cooking class with this hot topic: the science behind the spiciness of many beloved foods. There are actually two different types of spice, depending on the chemical compound causing the pain:...