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I am wondering if anyone has any discrepent events that would work for a space unit? I am writing a unit plan on the planets, moon phases, Earth's movement, and the stars and I am trying look at goods ways to hook the students. I have not been able to find any discrepent events for this type of content. -Emily C.

Dropping a feather and hammer. Ask if you would get the same results on the Moon and why? Also, video clips and close-up pics. are also great anticipatory sets.

Have you looked through the NSTA publication Teaching and Learning With Discrepant Events There is a sample here http://learningcenter.nsta.org/files/PB271Xweb.pdf There are actually three books in this series http://learningcenter.nsta.org/product_detail.aspx?id=10.2505/9781936137497 http://learningcenter.nsta.org/product_detail.aspx?id=10.2505/9781936137756 http://learningcenter.nsta.org/product_detail.aspx?id=10.2505/978193613721

Thanks for sharing all of these wonderful resources! I also plan on starting a unit on Space/Astronomy when the fourth quarter begins. Discrepant events seem to be a great way to address student conceptions of astronomy and physics. The advantage of this particular unit in Earth Science is students seem to be particularly interested in it. Perhaps it is knowing that there is so much still unknown about the celestial abyss. From Brain Powered Science, the Air Mass Matters discrepant event seems like it would be an appropriate method to address the student conception that air or gas is "nothing". Some planets in our solar system are made up primarily of gases and these planets are not mass-less. Great activity!

Thanks everyone for all of the ideas. Emily Clements