http://ipl.sils.umich.edu/div/kidspace/browse/ref0000/

http://yahooligans.yahoo.com/reference/

Science/Math

http://ipl.sils.umich.edu/div/kidspace/browse/mas0000/

Play the memory sequence math games:   Put your memory to the test.  Listen to the birds sing and repeat their song.  This game gets harder the longer you play.
 

http://www.bbc.co.uk/schools/revisewise/maths/ Visit a math website from the United Kingdom (The United Kingdom (UK) is Europe's largest island and arguably its most influential country.)

http://www.bbc.co.uk/schools/revisewise/science/ Visit a science website from the United Kingdom.

Try Room 108 Tangram's Games:  Move geometrical pieces around to make a given shape  in this math game. This can offer some math help in geometry.

Language Arts

http://www.readwritethink.org/materials/letter_generator/ Need help writing a friendly letter?  Try this letter generator.

Yak's Corner is a fun, very visual, interactive news magazine for kids. The news magazine includes jokes and news stories. Ever seen a Yak wink at you? You might here...

http://www.bbc.co.uk/schools/revisewise/english/ Just how good are you in reading, writing, spelling and grammar? Take the Language Arts challenge through interactive games.

Social Studies

http://ipl.sils.umich.edu/div/kidspace/browse/owd0000/

http://ipl.sils.umich.edu/div/kidspace/browse/amm0000/

http://ipl.sils.umich.edu/div/kidspace/browse/hea0000/

http://ipl.sils.umich.edu/div/kidspace/browse/fun0000/

http://www.smithsonianeducation.org/students/

www.yahooligans.com

http://www.nationalgeographic.com/kids/

http://www.timeforkids.com/TFK/

http://yahooligans.yahoo.com/