How Does Sound Travel As Waves?
Seventh graders participate in a number of activities designed to increase their understanding of how sound is generated and how it travels.
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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
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