In September of 2006 the bones of a female Australopithecus Afarensis were unearthed. This extremely rare juvenile specimen allowed scientists a new insight into characteristics of an important human ancestor. Learn more about this...

Muscles are made of fibers within fibers and the structure of muscles makes them strong. In this lesson students learn about muscle structure by comparing yarn and cooked meat.

In the following lesson students will learn about center of gravity and how the body adjusts to the force of gravity to remain balanced.

In the following lesson for grades 6-8, middle schoolers learn about environments with gravity and those with reduced gravity by observing the behavior of a water-filled plastic bag, both inside and outside of a container of water.