How Dense Are You?

Children enjoy playing with silly putty, but it provides more than just fun. Young scientists make their own silly putty using different recipes. After a bit of fun, they test and graph the viscosity of each.

During your human body unit lesson on the skeletal-muscular system, issue this challenge. One page at a time, individuals crumple up sheets of newspaper using the same hand. They find that since this activity and its required muscles...

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...

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...

Split your earth science or environmental studies class into groups and give each a scenario card. Scenario cards describe the lifestyles of 10 different fictitious families, focusing on their energy usage. Carbon dioxide emissions are...

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...

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.

What is being done to halt the spread of HIV/AIDS? An intriguing short video details current treatments available, including the use of antiretrovirals, to stop the transmission of the devastating disease.