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The first two images are from the resource from the Perimeter Institute, the
third was taken by Rolly Meisel
This lesson lets you take traditional physics and make it exciting and up-to-date. The first line of evidence for Dark Matter came from Newton's Universal Law of Gravitation, his second law of motion and the equations of circular motion. All you need to do this is get a copy of a great* free resource from the Perimeter Institute of Theroetical Physics. It consists of a 25 minute video and a variety of worksheets and activities that compliment the video. The video is divided into chapters so you can stop it in several natural places. To get your copy just go to The Mystery of Dark Matter and order a free teacher's kit.
NEW!! NEW!! NEW!! NEW!!
More activities have been added to the PI resource! These are designed to make this resource accessible to grade 9 science studentslooking at astronomy and to increase the conceptual understanding of senior physics students studying gravitational fields and circular motion. The activities use spacetime fabric to look at orbital motion and dishes to study gravitational lensing. The full details can be found here.