"Word Dynamo is an academic review exercises site hosted by Dictionary.com. The Word Dynamo name might make you think that it only offers vocabulary exercises, but there is more to it than that. In addition to vocabulary quizzes and flashcards, on Word Dynamo you will find quizzes, games, and flashcards for studying topics in social studies, science, math, and fine arts."
"This is a virtual place for folks interested in learning to "operationalize TPACK" (Technology, Pedagogy, and Content Knowledge) using curriculum-based learning activity types.