How Effective is Perspiration at Cooling?
Students collect data on the cooling of water in two different test tubes, one that is wrapped in wet newspaper and one in dry newspaper. They then relate this cooling effect to the body's perspiration.
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New Review What Is the "Greenhouse Effect"?
Enough talk about the Greenhouse Effect—let's actually look at it! Junior climatologists engage in a simple thermodynamics experiment on a cold winter's day to examine global warming. The activity simulates rising carbon dioxide levels...
6th - 12th Science CCSS: Adaptable
Investigating How Electricity is Generated
What is the real cost of electricity? The real cost is not just the price you pay, but the environmental and economic costs as well. Scholars build, use, and judge the effectiveness of a turbine. They also investigate the environmental...
9th - 12th Science CCSS: Adaptable
Is There a Center of the Universe?
The history of our understanding of the center of the universe is explored through this film. The ideas of Aristotle, Copernicus, Bruno, Descartes, and Herschel are included, as well as the new discoveries that have helped the theories...
4 mins 6th - 12th Science CCSS: Adaptable
How to Squeeze Electricity Out of Crystals
It is possible to generate electricity by squeezing a single sugar crystal. A short video explains how this is possible and the way this knowledge has changed our society. From sonar devices to renewable energy, generations rely on this...
5 mins 7th - 12th Science CCSS: Adaptable
Cloudy Climate Change: How Clouds Affect Earth's Temperature
While clouds may not make for the most enjoyable weather, they play an important role when it comes to regulating the temperature of the earth. Watch this video and learn how these giant masses of water droplets actually help to cool the...
7 mins 7th - Higher Ed Science CCSS: Adaptable
How to Create Cleaner Coal
It's easy to take for granted the the importance of electricity in modern society, and even easier to overlook the environmental cost that is paid for all that energy. Watch as this video explores the detrimental impact burning coal has...
6 mins 6th - 12th Science CCSS: Adaptable
Is Our Climate Headed for a Mathematical Tipping Point?
Raising the global temperature by two degrees may not seem like much, but the impact this would have on the planet is amazing. Follow along with this short video as it examines how even a small change to a system can turn its regular,...
4 mins 7th - 12th Math CCSS: Adaptable