For your visual and auditory learners, or for a perfect lesson primer, Kids Discover is happy to share these picks from our video library.

How Lungs Work

our lungs work nonstop to carry on the respiration that keeps you alive. Respiration is a single complete act of breathing. The process begins when you inhale. Air passes through your mouth and nose into your trachea, or windpipe. The trachea splits into two main branches, or bronchi. 

The Building Blocks of Life

Of the 118 known elements, carbon is the key building block of life as we know it. Hydrogen, oxygen, and nitrogen are others. Together, these four elements make up 96 percent of your body mass.

The United States in 1815

Your family has seen so many changes in the year 1815, you can hardly count them. You’ve traveled a long way by ship to the United States, and now you’re headed west in a covered wagon, with everything your family needs to start a new farm. 

The Causes of Weather

You may have heard the expression, “Everyone talks about the weather, but no one ever does anything about it.” Well, we do talk about weather all the time, because this powerful force of nature affects everything we do. As sophisticated as the modern world is, we are still pretty much at the mercy of the weather.

The Middle Ages

Imagine seeing two men on horseback charge at each other across an open field. Their steel armor shines brightly in the blazing sun. One of them is trying to protect the castle on the hill, while the other hopes to take over the castle. All around them, men are fighting.