The IPAL project is one of 29 Wave I Next Generation Learning Challenge grants funded by the Bill Gates Foundation and administered by Educause. (http://www.educause.edu/nglc) The ready-to-use questions, Moodle modules, Users Guide, installation instructions, and other resources will be hosted at ComPADRE (http://www.compadre.org/, a National Science Digital Library for physics and astronomy educa