Free translation services (FYI--These translations are not perfect. One way to check is to translate the text back into the original language to verify that the message is the same.) http://www.freetranslation.com
Activities for students http://a4esl.org/
Informational site about ESL. http://www.everythingesl.net/
Online encyclopedia. http://encarta.msn.com/artcenter_/browse.html
Another online encyclopedia. http://www.si.edu/Encyclopedia_SI/
Language games for students. http://teacher.scholastic.com/activities/bll/index.htm