How Does Sand Take the Pressure?
Students experiment with dry sand to show the effects of surface tension on granular material. They make predictions about which burrows will collapse and how much weight they can bear.
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The History of the Barometer (and How It Works)
What started out as a simple experiment about vacuums, turned into one of the most useful tools for predicting weather. Learn about the circumstances surrounding the invention of the barometer and the scientific principals that it...
5 mins 6th - 12th Science CCSS: Adaptable
How Does Cancer Spread Through the Body?
Cancer's ability to quickly spread from one organ to the next makes it one of the most fatal diseases in recent history. Watch as this short video takes you on a trip into the microscopic world of cancer cells, exploring the different...
5 mins 7th - 12th Science CCSS: Adaptable
How Does the Thyroid Manage Your Metabolism?
Hidden in our neck is an important, but often overlooked, little organ called the thyroid. Enjoy this short video as it explains the vital role this powerful organ plays in controlling the function of all the cells in our body, as well...
4 mins 7th - 12th Science CCSS: Adaptable
Dark Matter: How Does it Explain a Star's Speed?
Studying spiral galaxies can make your head spin! With this video, find out how astronomers calculate a galaxy's rotational speed, and how the prediction that the outermost stars slow down does not seem to be true. The mystery may be...
3 mins 6th - 12th Science CCSS: Adaptable