White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Deserts http://mbgnet.mobot.org/
http://www.desertusa.com/
http://pubs.usgs.gov/gip/deserts/
Rain Forests http://www.enchantedlearning.com/subjects/rainforest/animals/Rfbiomeanimals.shtml
http://www.blueplanetbiomes.org/rainforest.htm
http://www.sandiegozoo.org/animalbytes/e-tropical_rainforest.html
Scuba Diving http://www.iit.edu/~elkimar/design/history/index.html
http://www.a1scuba.org/thehistoryofscubadiving.html
http://www.divesafety.net/ScubaHx.html
Mayan Civilization http://wsu.edu/~dee/CIVAMRCA/MAYAS.HTM
http://www.mexconnect.com/mex_/travel/ldumois/maya/mayanindex.html
http://www.learner.org/interactives/collapse/mayans.html
Archaeology http://www.age-of-the-sage.org/archaeology/history_of_archaeology.html
http://www.discoverychannel.co.uk/history/time_team/history/index.shtml
Barometers http://www.miamisci.org/hurricane/barometer.html
http://kids.earth.nasa.gov/archive/air_pressure/barometer.html
http://www.weatherwizkids.com/barometer2.htm
Internet Smarts http://www.powertolearn.com
Brinckerhoff-Wallace Fields Wiki