White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun activities - by girls....for girls. http://www.missoandfriends.com/
Facts about all kinds of things. Games too! http://www.factmonster.com/
Multiplication Practice http://www.Multiplication.com
Math Practice - Covers a lot of topics! One of my favorites. http://www.aaastudy.com/grade4.htm
Math Help http://tutoring.sylvanlearning.com/newsletter/0704/math.cfm
Lots of math games. http://www.coolmath.com/
Math Practice for all topics! By grade level. http://www.ixl.com/math/grades
The Native Americans - Indians of Texas - MAP http://www.lsjunction.com/places/indians.htm
4 Major Regions of Texas http://www.mcallen.lib.tx.us/library/child/homework/txreg.htm
4th Grade Interactive Lessons aligned with the TEKS http://www.pasadenaisd.org/SailOn/Grade4.htm
Science Fair - Graph http://nces.ed.gov/nceskids/index.asp
Weather for Kids http://eo.ucar.edu/webweather/index.html
Cabeza de Vaca http://www.elizabethan-era.org.uk/cabeza-de-vaca.htm
Cabeza de Vaca http://education.yahoo.com/reference/encyclopedia/entry/Cabezade
Francisco Coronado http://www.elizabethan-era.org.uk/francisco-vasquez-de-coronado.htm
Francisco Coronado http://en.wikipedia.org/wiki/Francisco_V%C3%A1squez_de_Coronado
Rene Robert Cavelier http://www.britannica.com/EBchecked/topic/326519/Rene-Robert-Cavelier-sieur-de-La-Salle
Rene Robert Cavelier http://library.thinkquest.org/4034/lasalle.html
Christopher Columbus http://www.elizabethan-era.org.uk/christopher-columbus.htm
Christopher Columbus http://simple.wikipedia.org/wiki/Christopher_Columbus
Chess Online http://www.chesskids.com/kidzone/index1.shtml