Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains multiple...

An eight-unit electronic textbook provides a guide to AP® Biology. Each of the 28 chapters include an introduction, multiple lessons, a summary, review questions, and test prep questions. Teachers see how each lesson connects to a big...

Scientists grow tiny brains outside an organism in their labs. How this is accomplished and why become the central focus of a video and discussion. After viewing the core lesson, ten questions check for content mastery and prepare young...

As human lifespans increase, more time is spent sick or in pain than ever before. A brief video introduces some research on how to reduce the amount of our lives that are disease free. Each of these methods offers some promise for a...

The human immune system doesn't always prevent us from getting sick, so what is it doing? Young scientists watch a short video explaining what the immune system is and how it works. Then, they answer eight questions to prepare for an...

Colon cancer is one of the most preventable types of cancer. Scholars learn how colon cancer develops and spreads. They also learn risk factors, tests, and treatments before answering eight comprehension questions.

We know about radiation from airplanes, and x-rays, but are MRIs considered safe? An informative video offers an simplified overview of how an MRI works. Then a comparison between MRIs and fMRIs opens new understanding. Finally it...

As part of a larger series, an informative video introduces the concept of perpetual motion machines and the science proving they don't work. The narrator then shares machines that appear to work and highlights the hidden sources of energy.

Scientists estimate as many as 400 billion stars may exist in our galaxy alone. As part of a larger physics series, an out-of-this-world video introduces five amazing stars. Each star holds the record in something!

Did you know black holes aren't black? Learn more about space with an episode from a larger series exploring physics. We know more about black holes now than ever before in history, yet we aren't sure we really know anything at all.

How many ways do you know to put out a candle? An entertaining video introduces strange ways that extinguish flames. It demonstrates each method and then explains the science behind why it works. The video also offers tips for safety...

Electrocuting metal until it shrinks sounds crazy, but it happens! Part of a larger physics playlist an intriguing video explains how an electromagnet shrinks any metal coin. The narrator discusses the electric and magnetic forces as...

How can you make bubbles filled with water floating in water? An interesting video introduces antibubbles as part of a larger series about physics. The narrator brings in physics students at different levels, college and PhD, to...

Are all gymnasts short and all basketball players tall? The comparison of strength and height does benefit some sports. A sporty video as part of a larger series on physics introduces allometry and the application to sports and medicine. 

Why can't we text when wearing wool gloves? The narrator explains the science behind touchscreens as part of a larger physics series. From sensors to translation, the complex process of sending a simple emoji comes to life.

Have you ever observed a spark when unplugging something? An engaging video series covering physics concepts tackles why this happens and if you should be concerned. Learn about inductors, Faraday's Law of Induction, and watch sparks fly!

What is it like to go up in a zero gravity airplane? Physics Girl shares her experiences and the science experiments she brought along as part of her video series. From the way your body feels to the failed experiments, she laughs and...

The topic of eliminating bias occurs in all branches of science. As part of a larger series on physics, an interesting video introduces viewers to one way quantum physicists approached this issue. She explains the problem with quantum...

What do scientists do when their observations don't match the theory? An interesting video introduces the ultraviolet catastrophe as part of a larger series covering physics concepts. Starting with ultraviolet light and ending with...