Seas of Grass

Drug addiction, including prescription drug addiction, begins with a reason that's different for every user. High schoolers learn more about the reasons people begin abusing drugs with a set of videos and worksheets that discuss four...

In July of 2020, NASA plans to launch a new Mars rover. An out-of-this-world video explores this exciting mission. It describes goals of the mission and the many challenges involved. It also offers hope for new findings and new...

All matter in the universe only adds up to five percent of the universe — the video explains the other 95 percent. It describes what we know about dark matter and dark energy. With more to learn, scientists share the excitement of their...

You'd be hard pressed to find someone more dedicated to the periodic table than Theodore Gray. A video lesson interviews him as he describes his passion and his creation. The installment of a larger series on reactions shows Gray's table...

Young scholars examine the orbits of the more than 1,400 satellites that orbit Earth and visualize the application of Kepler's laws. They observe patterns of orbital periods and velocity as a function of distance from Earth to facilitate...

Make solutions to projectile motion problems magically appear using equations. Pupils watch a clip from a Harry Potter movie and find the length of time it takes for a remembrall to fall into Harry's hands. They use a projectile motion...

What's good for all of us is good for each of us. The Tragedy of the Commons refers to a situation in which one person's decision to act in his or her own best interest negatively affects the rest of the population—and ultimately, him or...

A graph is a graph is a graph. This video reviews different types of graphs (line, bar, circle, histogram, scatter plot) using a matching game. It also describes the purpose of each type of graph to help learners remember when to use...

Ever heard of von Neumann machines? These self-replicating machines could allow for the expansion of human civilization beyond Earth. The video describes how this type of technology could open many doors for exploration and life.

Many people oppose genetically modified foods yet support selective breeding in dogs. Learn about the similarities and differences through a short presentation that features many video clips. It covers natural selection, artificial...