Matter in Motion
In this matter in motion worksheet, students answer the provided questions as it relates to motion, speed, velocity, and acceleration. Students mark given statements as either true or false.
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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