A Drip in Time Saves Nine
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Students explore how a small leak can add up. They draw conclusions about how small leaks in several homes can total massive quantities of wasted water. Students discuss why we conserve water.
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Understanding the Effects of Differences in Speed—Problem Set D
Fall back and slow down. The fourth lesson in a six-part series on air traffic control leads the class to find the difference in distance traveled based upon the difference in speed. Pupils work through a problem related to walking...
5th - 9th Math CCSS: Adaptable
A Brief History of Geologic Time
How do scientists know the history of Earth before humans—or any mammals—existed? An epic "Eons" series video explains the larger history of geologic time. It highlights the eons, eras, periods, epochs, and ages scientists use to divide...
12 mins 6th - 12th Science CCSS: Adaptable
An Exercise in Time Perception
Some experiences can feel very brief or excruciatingly interminable. How is it that we come to miscalculate time so easily? Our perception of time is heavily influenced by the number of memories and data we record in our brains. Learn...
5 mins 9th - 12th Science CCSS: Adaptable
The Ideal Gas Law
Help young scientists connect the dots between pressure, temperature, and volume with a video on the ideal gas law. After first reviewing the formula for this fundamental law, the instructor walks step by step through nine different...
20 mins 9th - Higher Ed Science CCSS: Adaptable
Why the Arctic Is Climate Change's Canary in the Coal Mine
What happens in the Arctic doesn't always stay in the Arctic. Follow along with this short video as it investigates how small changes in the temperature of Arctic regions can have dramatic effects on the global climate through a series...
4 mins 7th - 12th Science CCSS: Adaptable