How Dense Are You?

Geologists are gneiss, tuff, and a little bit wacke. The fifth chapter of seven includes ten activities at four different levels. The hands-on activities cover fossils including how they are formed, vertebrates, invertebrates,...

What makes a clock tick or a bulb light up? The concept of work is explained to a backdrop of clever animation. Physics fans learn that the amount of work equals the product of the force and distance, and that the rate equals the amount...

Inspire environmentally conscious young minds with an exceptional video, which traces the life cycles of three different plastic bottles after they are thrown away and move through the earth with different journeys through a landfill, an...

With the thousands of tasks our brain consciously performs on a daily basis, it's amazing that breathing isn't one of them. Learn how human bodies are able to automatically control the exchange of gas that keeps us alive with this short...

When is a person no longer living? This question has been puzzled over for millennia, but is there a clear answer? Watch as this video examines the biological line separating life and death.

Humans are like planets, hosting a plethora of microbial communities. This concept is explored with vivid narration and animation, bringing to light the benefits of the huge variety of microbes that live in and on our bodies. What a fun...

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...

Did you know that when you are sitting in your easy chair, you may be moving up to 1000 miles per hour depending on what part of the planet you are sitting on? Consider relative speed by watching this moving video. Boggle brains in your...

Want your class to rock? Then try this boulder activity. Pupils learn about a specific boulder field and use edible materials to demonstrate the geological processes that formed this unique feature. Weathering, erosion, and mass wasting...

It's amazing how easy it is to forget that every second of our lives we are being pushed on by an uncountable number air molecules. Explore with your class the concept of air pressure and how it affects our bodies, the earth's weather,...