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Saturday, July 7, 2012

Tool #3

This video gives good illustrations of how the alignment of the sun, Earth and moon, as well as the constant rotating of the Earth and moon, cause us to see different moon phases. I used a similar video in the past before we had an introductory class discussion on the moon, and I think that it could be followed with the small-group experiment using flashlights and different size spheres.

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