P-dog's blog: boring but important

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.

20080116

Photoshopped planet fantasies

Solar System², by ThreeProngs
Worth1000.com
Amazing Astronomy contest

Sun notwithstanding, but the planets are not to relative scale...and why does Pluto persist being a planet?

Fruity, by LordPAK
Worth1000.com
Amazing Astronomy contest

Interesting metaphor for the similar, but somewhat different compositions of Earth and Moon.

Cracked Up, by LordPAK
Worth1000.com
Amazing Astronomy contest

The inner core of the Earth, while hot, is solid due to the immense pressures at the center of the Earth. However, should the pressure on that material be relieved, it would revert to being a hot molten liquid.

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