Astronomy and physics education research and comments, field-tested think-pair-share (peer instruction) clicker questions, flashcard questions, in-class activities (lecture-tutorials), current events questions, backwards faded scaffolding laboratories, Hake gains, field-tested multiple-choice and essay exam questions, indices of discrimination, presentation slides, photos, ephemerae, astronomy in the marketplace, unrelated random sketches and minutiae.
Optical Illusion of Leap Year, by haxrox
Come on Earth! Pick Up the Pace!, by KLSwoot
Do the Math (First place derby winner) by Iambusyeating
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