How Do Airplanes Get Off the Ground

Every muscle movement requires energy, but where does that energy come from? Scholars answer this question and more as they complete a worksheet. By following the directions, completing research, and discussing it as a class, they begin...

Up, up, and away! Physics scholars learn the secrets to defying gravity through engineering. The video describes the forces acting on various parts of the plane and the designs that minimize these forces or increase opposing forces. The...

From stately oaks to towering pines, trees are the largest members of the plant kingdom that most people see. But how do trees get so big? Find out where the mass of a tree comes from with a short video. The narrator presents the topic...

Can we use the stars to navigate if we're actually among them? Space-age scholars explore the precise planning that goes into long-distance exploratory missions using a video from THNKR's Why with Bill Nye! playlist. Bill Nye explains...

A most ingenious paradox! Through animation, the video describes the question answered by the 2012 Nobel prize winners: how do we see light? The narrator guides learners through the difficult process of measuring photons without actually...

It seems like a simple process: we breathe in, our nose detects different scents, and our brain interprets the smell. But how does it actually work? How can something smell like vanilla to one person, but like urine to someone else? How...

Injection, taking a pill, or inhaling are the three main ways to administer a drug. But how do these drugs affect the brain? Watch a video that explains how neurons use neurotransmitters to communicate to one another in the brain.

A flood of information about tsunamis can be learned by viewing this feature. How do they get started? How fast do they travel? How high can they rise? The answers to these questions, plus a little bit of history, are given for your...

Practically everyone experiences physical pain from time to time (although, believe it or not, some people don't). Often, people take a pill and then et it work its magic; learn exactly what that magic is through an engaging and...

This lesson won't get on your nerves! Find out how one kind of cell can cause comfort, terror, or pain in your brain. Comic strip and cartoon style animation is used to help explain the transmission of electrical nerve impulses and the...