Young scholars use modeling clay, a material that is denser than water and thus ordinarily sinks in water, to discover the principle of buoyancy. They begin by designing and building boats out of clay that will float in water, and then...

A key turning point in a nation's economic development is when it starts to use its resources for long term versus short term purposes. A natural resource example is trees: should people use wood for cooking food or building homes?...

What do you know about the life and work of Theodore Taylor? Use this online resource to discover information about this famous author.