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.

From a chapter on Statics and Torque in a Physics textbook. This section of the chapter provides an in-depth discussion of forces and torque in the human body. We learn about muscular force, the importance of posture in preventing back...

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.

In the following lesson students are required to construct a model arm and learn how muscles and bones work together to achieve efficient movement.

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