A collection of rubrics for assessing portfolios, cooperative learning, research process/ report, PowerPoint, podcast, oral presentation, web page, blog, wiki, and other web 2.0 projects.
Backchannel application that allows students to answer multiple choice questions and rate their confidence that they've understood. Teachers get access to all information in realtime.
Limitations: Students have to sign up for an account.
English dictionary for kids with optional Spanish support. Includes audio pronunciations, part of speech, and inflections.
Related: http://kids.wordsmyth.net/wild/ is a highly visual dictionary, where students can click through scenes and images to find the written and spoken forms of nouns.
Students can receive messages to their phones (SMS) or other messaging clients with multiple-choice questions.
Limitations: Does not seem to support non-Latin characters.