If your students like sports, rockets and roller coasters, then they’ll like Sir Isaac Newton! Newton’s Laws will help your students understand force, motion, and the transfer of energy. In this ...

All of the objects in our solar system are acted upon by forces. Forces are pushes or pulls. Every force has both a strength and a direction. Applying a force on something–like pushing a toy car–can ...

“Within the nervous system, the brain and spinal cord of older adults may have a reduced and more inconsistent ability to ...