Make your own Puzzles http://www.puzzlemaker.com
Learn about space exploration with NASA! http://discovery.nasa.gov
Did you find a bug you want to classify? http://www.life.uiuc.edu/Entomology/insectgifs.html
This site has great games, puzzles, and worksheets you can print to practice math facts. http://www.aplusmath.com
Here is a great site to help you practice your Spanish and learn new words. http://www.ellisislandrecords.org
Here is a lot of information for history buffs on Ellis Island. http://www.nps.gov/stli/serv02.htm
Want to review homonyms or contractions? This is a fun site that will give you instant results after the quiz! http://www.teachersandfamilies.com/open/wonders.html
Math games and puzzles http://aaamath.com
White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids
Reading Test Practice http://www.tea.state.tx.us/student.assessment/resources/online/2003/grade4/read.htm
Test Practice http://www.virginiasol.com/test_grade4.htm
Test Practice http://www.eduplace.com/kids/mhm/
Math Test Practice http://www.mathslice.com/mathmocktest.php
Test Practice http://www.studyzone.org/testprep/elagrade4.cfm
Test Practice http://www.pppctr.org/maptesttaking.asp
Test Practice http://education.jlab.org/solquiz/index.html