The World Bank: Curbing Desertification in China

Is this the end of the world as we know it? Pupils prepare for a coronal mass ejection during a lesson from the K20 Center. The activity combines video and Internet research in a collaborative assignment that focuses on public safety...

You know climate change is happening when you see a bee take off its yellow jacket. Part four in a series of five lessons explores all factors affecting climate change: temperature, cloud cover, precipitation, and carbon dioxide. By...

This video highlights three experiments that change the way people think about the world. First up, scientists measure gravity. Next, it discusses the debate surrounding whether light is a wave or a particle. Finally, the atomic model...

If renewable energy sources are the best option, why aren't they used on a global scale? Junior environmentalists explore the benefits and problems associated with energy sources such as solar, wind, and biomass with a short video and...

Here's a resource that is definitely not a waste. Viewers learn about rollers, tunnelers, and dwellers, three types of dung beetle clean-up crews and the important roles they play in preventing global warming and in indicating the health...

Tuberculosis is one of the most pervasive—and one of the oldest—diseases in the world. Why is it so hard to control the spread of this sickness? Watch an informative video about the white plague, also known as consumption, that...

Our magnets are like world-class athletes - Team Tesla, if you will. They have an awful lot of power, but to stay in that kind of shape, they need to eat and drink - a lot.

A video that demonstrates the process for cooling atoms launches a journey to comprehend physics. After watching the video, class members answer multiple-choice and short-answer questions to prepare for a whole-class discussion of the...

One in every seven people suffer from a lack of basic food. Our Hungry Planet introduces this complex issue in the second lesson of an interesting 13-part unit. It discusses the space needed to grow and raise food, the transportation of...

DNA analysis could be what saves some animals from extinction. An interactive lesson shows learners how DNA information proves variation among animals of the same species and how stakeholders use that information to make decisions. Easy...