Start communicating in American Sign Language with this handy app. Made up of a series of video clips, the app makes it easy to begin really saying something with your hands.

We all know photosynthesis happens, but why should we care? Here is a unit that covers everything young scholars need to know about photosynthesis. Hands-on activities, assessments, and lectures guide pupils though the physiology of...

Helen Keller became a teacher after her experience with Anne Sullivan, demonstrating to the world how valuable a dedicated mentor and determined spirit can be when overcoming adversity. Middle schoolers learn more about the influential...