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PBS

Pbs Learning Media: Galileo's Telescope

For Students 9th - 10th
The invention of the telescope helped change our understanding of the universe. This video segment adapted from NOVA looks at Galileo's contribution to this technology. [1:49]
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Georgia State University

Georgia State University: Hyper Physics: Ray Diagrams for Mirrors

For Students 9th - 10th
Provides a discussion of curved mirrors and ray diagrams. Shows and explains the process of drawing a ray diagram to determine the image location, size, and orientation.

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