A picture dictionary. http://www.enchantedlearning.com/Dictionary.html
Internet picture dictionary in 5 different languages. http://www.pdictionary.com/
Merriam-Wester Dictionary. click on the 'red speaker' to hear the word. http://www.m-w.com/dictionary.htm
Interactive stories about Clifford the Big Red dog. http://teacher.scholastic.com/clifford1/
Naming objects, rhyming words, and beginning letters. http://teacher.scholastic.com/activities/bll/index.htm
Ask Earl - find answers to questions. http://www.yahooligans.com/content/ask_earl/
Stories for young children to read. Scroll down and click on a title. http://www.magickeys.com/books
Vocabulary games http://www.vocabulary.co.il
Language Arts games, also some Math http://www.dositey.com/homek2.htm
An activity center http://www.bbc.co.uk/schools/laac/menu.shtml
Free site - leveled reading from alphabet skills up to reading on a second grade level http://www.starfall.com