Determining Red-Shift in a Receding Star
Students practice manipulating algebra formulas with more than one variable. They examine the topics of velocity, wavelength and frequency. They determine the amount of red-shift in a receding star.
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The Last Star in the Universe—Red Dwarfs Explained
Up to 75 percent of the stars in the Milky Way are red dwarfs, yet we can't see any from Earth. The video explains what makes red dwarf stars unique. It highlights the potential for finding aliens or a planet humans could live on once...
6 mins 9th - Higher Ed Science CCSS: Adaptable
Five Amazing Stars We've Discovered in Space
Between 100 billion and 400 billion stars exist in the Milky Way Galaxy. The video discuses five amazing stars with unique characteristics. Most pupils know about red giants but need to learn more about hybrid stars—here is a great video...
7 mins 10th - Higher Ed Science CCSS: Adaptable
Red Shift: Measuring Distance in Space
Learn about gamma rays and red shift, what they are, what they mean, and how scientists use them to measure distances between objects in space. This clip explains how important red shifted gamma rays are to science and how illusive they...
4 mins 7th - 12th Science
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
Additive and Multiplicative Rules for Probability: Red Dress? Blue Dress? Both!
The sum of the parts is greater than the whole. An interactive uses a Venn-like model to show the percentage of females from a survey that have a blue dress, a red dress, or both. The pupils determine the numbers in each category...
7th - 12th Math CCSS: Designed