Citation Machine http://citationmachine.net/
World Almanac For Kids http://www.worldalmanacforkids.com/
Yahoo Kids http://kids.yahoo.com/
Fact Monster http://www.factmonster.com/
Environmental Kids Club http://www.epa.gov/kids/
Outdoor Science School http://www.osp.santacruz.k12.ca.us/
Scholastic Books http://scholastic.com/parentordering
St. Michael School http://www.smsliv.org/
Sea World - Endangered Species http://www.seaworld.org/animal%2Dinfo/info%2Dbooks/endangered/introduction.htm
World Wildlife Fund http://www.worldwildlife.org/
Earth's Endangered Creatures http://www.earthsendangered.com/list.asp
California Energy Commission's Energy Quest http://www.energyquest.ca.gov/
U.S. Department of Education - Energy http://www.eia.doe.gov/kids/
Energy Star for Kids http://www.energystar.gov/index.cfm?c=kids.kids_index
Mr. Halter's Website http://teacherweb.com/CA/SaintMichael/MrHalter/index.html
Mrs. Calhoun's Website http://www.teacherweb.com/CA/StMichaelSchool/MrsCalhoun/
English Word Information http://www.wordinfo.info/
Root Words https://www.msu.edu/~defores1/gre/roots/gre_rts_afx_tab2.htm
Root Words and Prefix http://www.virtualsalt.com/roots.htm
Word Roots http://www.betterendings.org/Homeschool/Words/Root%20Words.htm
Espindle - Root Word Reference http://www.espindle.org/roots.html
Dictionary.com http://dictionary.reference.com/