Another good website for learning and practicing language basics is Literacy Center.net. Literacy Center offers games for learning and practicing French, Spanish, German, and English. The Literacy Center is a 501c non-profit with a contract from the US Department of Education.
Scavenger Hunt Through History is a game designed to be played by students in junction with Freedom: A History of US produced by PBS. Freedom: A History of US contains is an overview of US history containing videos, documents, and pictures. In addition to the resources previously mentioned, their are quizzes for students to test their knowledge.
Vocabulary.com is the quickest way to improve your vocabulary. This site will help you tom aster the words that are essential to academic and business success.