http://sites.science.oregonstate.edu/physics/coursewikis/ph111/ 2020-01-25T23:53:17-08:00 http://sites.science.oregonstate.edu/physics/coursewikis/ph111/ http://sites.science.oregonstate.edu/physics/coursewikis/ph111/lib/images/favicon.ico text/html 2015-08-28T12:53:06-08:00 http://sites.science.oregonstate.edu/physics/coursewikis/ph111/doku.php?id=days:fall2009daybyday:fall2009day13:understandingthemoonsshadow:start&rev=1440791586 Navigation Links Fall 2009-Day 13 Sun-Earth-Moon Activities Class began with a trip to the roof! The moon was out and the sky was clear for once. We caught it! The students each pointed one of their arms at the sun and one of their arms at the moon. There was an angle greater than 45 degrees, but less than 90 degrees. This meant that the moon is in its crescent phase. It was lit on the left side, which also meant that the moon is waning (getting smaller). We had the students pull out their p…