What is a Galaxy?
In this galaxy worksheet, students use a website to research the 3 types of galaxies and how Edwin Hubble classified galaxies. This worksheet has 1 graphic organizer and 4 fill in the blank questions.
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New Review Coma Cluster of Galaxies
Scientists classify everything from the smallest cells to the largest galaxies, but how do they decide on a classification system? Scholars use 40 pictures of galaxies taken by the Hubble Space Telescope to sort and try creating their...
9th - Higher Ed Science CCSS: Adaptable
Dangers of Radiation Exposure
Gamma radiation, which is harmful, is useful in treating cancers. In the second lesson in a series of four, young scientists take surveys and calculate their yearly exposure to ionizing radiation. Then they read about how harmful their...
9th - 12th Science CCSS: Adaptable
How Cosmic Rays Help Us Understand the Universe
You may not realize it, but the earth is constantly receiving messages from all over outer space. Follow along as this video investigates how these cosmic rays carry information that can help humans better understand the composition of...
5 mins 7th - 12th Science CCSS: Adaptable