In this simple demonstration of how waves work, a Harvard instructor shows how a group of pendulums can move through a complicated dance together — due entirely to the way each pendulum oscillates at ...

Really loving this demonstration of fluid density from Victoria, Canada’s School-Based Weather Station Network. It’s incredibly simple, but surprisingly effective. Every grade school on Earth should ...

Educators have developed a simple yet powerful demonstration of soil water retention and field capacity, two concepts that are often difficult to teach without expensive equipment. Using little more ...

Five 4-Hers from Reno and Carson City joined thousands of other youths around the country Wednesday to conduct an experiment in biofuels. With University of Nevada officials – including Regent William ...

After I wrote Teaching Kids to Care for God’s Creation, I realized how unconscious I had become in my daily use of water. I could no longer take fresh water for granted. I now think more carefully ...

SOUND, in common with other forms of radiation, exerts a pressure on the surface on which it impinges. Measurements of this pressure have been made by Altberg and others by means of sensitive torsion ...

STUDENTS frequently find some difficulty in picturing lattice-planes in X-ray crystallography, and in their elucidation, apart from isometric drawings and models of crystal forms and lattices, ...