http://pds.jpl.nasa.gov/planets/

http://usinfo.state.gov/usa/infousa/facts/symbols.htm

http://memory.loc.gov/ammem/cwphtml/cwphome.html

http://www.pbs.org/civilwar/

http://sunsite.utk.edu/civil-war/cwarhp.html

http://www.cwc.lsu.edu/exhibitions.html

http://www.civilwar.si.edu/home.html

http://www.homepages.dsu.edu/jankej/civilwar/civilwar.htm

http://library.duke.edu/specialcollections/bingham/guides/cwdocs.html

http://infoweb.newsbank.com/iw-search/we/InfoWeb

http://geography.about.com/od/globalproblemsandissues/a/nexticeage.htm

http://infoweb.newsbank.com/iw-search/we/InfoWeb/?p_product=JRKP&p_theme=kids&p_action=search&p_nbid=Y62I51OGMTE2MDUzMzU5MS4yMjc0MTc6MTo4OnJhLTE5ODk1&p_text_base-0=Power%20and%20Energy&p_field_base-0=Topics_8&p_sort=YMD_date:D&p_perpage=10&f_secondle

http://www.solarenergy.org/workshops/

http://www.usatoday.com/tech/science/2006-02-01-ethanol-sidebar_x.htm

http://www.awea.org/

http://www.enchantedlearning.com/explorers/

http://cybersleuth-kids.com/sleuth/History/Explorers/index.htm

http://infoweb.newsbank.com/iw-search/we/InfoWeb/?p_product=JRKP&p_theme=kids&p_action=search&p_nbid=W61U50MFMTE2MTk5NjI5NS41MDQwMTE6MTo4OnJhLTE5ODk1&p_text_base-0=Explorers&p_field_base-0=Topics_8&p_sort=YMD_date:D&p_perpage=10&f_secondlevel=History

http://environmentalchemistry.com/yogi/environmental/200608hydrogenfuelcells.html#Content

http://www.nationalvapor.com/

http://environmentalchemistry.com/yogi/environmental/200608hydrogenfuelcells.html

http://www.dynamicmarketalert.com/alternateenergyprofitc0806c.html?gclid=COjMloLjl4gCFU5xFQodmh1_pw

http://www-eosdis.ornl.gov/

http://environmentalchemistry.com/yogi/periodic/

http://www.chemistry.org/portal/resources/;jsessionid=%4079055d%3a10e8a408bfb?id=c373e9f5bf5914ed8f6a4fd8fe800100

http://periodic.lanl.gov/elements/90.html

http://www.epa.gov/cleanrgy/nuc.htm

http://www.eia.doe.gov/kids/energyfacts/sources/non-renewable/nuclear.html

http://usinfo.state.gov/xarchives/display.html?p=washfile-english&y=2006&m=May&x=20060502165754SAikceinawz0.2948114

http://ndrd.gsfc.nasa.gov/

//www.fema.gov/kids/dizarea.htm

http://infoweb.newsbank.com/iw-search/we/InfoWeb/?p_product=JRKP&p_theme=kids&p_action=search&p_nbid=W61U50MFMTE2MTk5NjI5NS41MDQwMTE6MTo4OnJhLTE5ODk1&p_text_base-0=Disasters&p_field_base-0=Topics_8&p_sort=YMD_date:D&p_perpage=10&f_secondlevel=The%20E

http://geography.about.com/od/globalproblemsandissues/a/nexticeage.htm

http://www.epa.gov/kids/

http://infoweb.newsbank.com/iw-search/we/InfoWeb/?p_product=JRKP&p_theme=kids&p_action=search&p_nbid=J70E5FRUMTE2MDUzMzU5MS4yMjc0MTc6MTo4OnJhLTE5ODk1&p_text_base-0=Pollution&p_field_base-0=Topics_8&p_sort=YMD_date:D&p_perpage=10&f_secondlevel=Importa

http://www.makingthemodernworld.org.uk/learning_modules/geography/06.TU.06/

http://www.solarenergy.org/workshops/

http://www.aresearchguide.com/energy.html#geo

http://energy.sourceguides.com/

http://www.self.org/

http://www.energyquest.ca.gov/story/chapter10.html

http://www.energyquest.ca.gov/story/chapter10.html

http://www.energyquest.ca.gov/story/chapter10.html

http://www.energyquest.ca.gov/story/chapter10.html

http://www.kidsastronomy.com/solar_system.htm

http://pds.jpl.nasa.gov/planets/

http://infoweb.newsbank.com/iw-search/we/InfoWeb/?p_product=JRKP&p_theme=kids&p_action=search&p_nbid=F66F55BKMTE2MDUzMzU5MS4yMjc0MTc6MTo4OnJhLTE5ODk1&p_text_base-0=Stars%20and%20Planets&p_field_base-0=Topics_8&p_sort=YMD_date:D&p_perpage=10&f_secondl

http://www.worldalmanacforkids.com/EXPLORE/timeline4.html

http://infoweb.newsbank.com/iw-search/we/InfoWeb/?p_product=JRKP&p_theme=kids&p_action=keyword&p_nbid=U68X58BNMTE2MDUzMzU5MS4yMjc0MTc6MTo4OnJhLTE5ODk1&f_secondlevel=History%20and%20Geography

http://www.acepilots.com/index.html#top

http://www.1940.co.uk/history/sound/sound.htm

http://www.1940.co.uk/history/history.htm

http://kclibrary.nhmccd.edu/decade40.html

http://www.oldetimecooking.com/Music/music_index.htm

http://www.fiftiesweb.com/music.htm

http://kclibrary.nhmccd.edu/decade50.html

http://kclibrary.nhmccd.edu/music-3.html

http://www.djs-unlimited.net/DJU50.html

http://home.att.net/~boomers.fifties.teenmag/1950_history.html

http://history1900s.about.com/library/time/bltime1950.htm

http://home.att.net/~design-house/history/history_1950.htm

http://kclibrary.nhmccd.edu/decade60.html

http://www.spectropop.com/hmadanibrief.html

http://www.kidscoop.com/resources/music60s.html

http://www.costumegallery.com/1960.htm

http://dmoz.org/Arts/Music/Styles/By_Decade/1960s/

http://www.cedarville.edu/academics/education/resource/schools/chca/othergrades/sixties/culture.htm

http://www.nostalgiacentral.com/70/70music.htm

http://www.super70s.com/

http://members.aol.com/pooh0302/70s.htm

http://academyawards.20m.com/songs/songs70.htm

http://www.recycling-guide.org.uk/

http://www.kidsdomain.com/holiday/earthday/

http://www.mcps.k12.md.us/curriculum/socialstd/Recycle.html

http://onondagacountyparks.com/zoo/education_conservation.asp

http://www.miagclassroom.org/lessons.php

http://www.entsoc.org/resources/education/discover.pdf

http://www.space.com/scienceastronomy/070411_nongreen_plants.html

Software Models Consequences Of Asteroid Strikes

http://www.livescience.com/forcesofnature/070404_earth_magnetism.html

http://www.space.com/nightsky/

Strings Attached: New Study Puts Limits on Physics of Extra Dimensions

http://science.nasa.gov/headlines/y2005/14apr_moonwater.htm