How Big Are Your Wings?

In a math or life science class, "mini-me" models are created with cardstock to reflect a 1:10 scale of students' bodies. Learners measure each others' heights with meter sticks, and then reduce the size by 10. After this exercise, they...

If Shaquille O'Neal wears a size-20 shoe, how big are his hands? Learners will use the average ratios of foot length to hand span to calculate the hand span of Shaq, but first, they have to collect the data! They will measure their peers...

Are vaccines protection from infection — or are they risky business? Learners weigh the pros and cons in a short, animated video. The narrator discusses the many illnesses eradicated through world-wide use of vaccines and sheds light on...

The American Kennel Club currently recognizes 167 dog breeds while the Federation Cynologique Internationale recognizes 340. The video explains the three main categories of dogs and how closely those dogs are related. It offers...

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...

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...

Dolphins are one of the smartest creatures on Earth. The size of their brain compared to their body size is second to humans. This allows these cetaceans to form complex social relationships and use echolocation to navigate and...

Let this sink in: oceans cover more than 70% of the planet! This video teaches many facts about the ocean using creative graphs to convey the vastness of its features. The ocean contains the longest mountain chain, the tallest...

There are so many galaxies in the universe that the vast majority of them are too distant for the human eye to perceive. An astronomy video discusses the Hubble Telescope's Deep Field image from 1995 and the eXtreme Deep Field image...

Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...