http://www.ucmp.berkeley.edu/fosrec (an advanced site that answers lots of questions)
http://www.enchantedlearning.com (great site for children to search lots of topics)
http://www.hcc.hawaii.edu/dinos/dinos.1.html (dinosaur fossils in Hawaii)
http://www.nationalgeographic.com/dinoeggs/ (dinosaur egg fossils)
http://www.ucmp.berkeley.edu/bacteria/bacteriafr.html (fossil record on bacteria)
http://pubs.usgs.gov/gip/fossils/contents.html (fossil facts)

http://www.bear-tracker.com (great informational site with lots of animal track pictures)
http://funschool.kaboose.com/preschool/amazing-animals/games/game_animal_tracks.html (animated animal matching game)
http://www.dnr.state.wi.us/org/caer/ce/eek/cool/trackQuizLVLOne.htm (track quiz)
http://www.amnh.org/nationalcenter/online_field_journal/fj/fjtk/fjtkmain.html (animal track activities)
http://www.biokids.umich.edu/guides/tracks_and_sign/ (detailed tracking guide)

http://www.kidsgardening.com/ (lots of fun gardening information)
http://urbanext.illinois.edu/firstgarden/ (fun animated site for kids about gardening)
http://www.keepkidshealthy.com/interest_your_kids_in/gardening.html (how to get kids interested in gardening)
http://www.eduplace.com/activity/1_8_act3.html (making a garden in an egg carton)
http://urbanext.illinois.edu/gpe/ (a fun exploration site for plants)

http://www.bear-tracker.com (great informational site with lots of animal track pictures)
http://www.enchantedlearning.com/subjects/plants/printouts.shtml (plant printouts)
http://animaldiversity.ummz.umich.edu/index.html (lots of info on animals, pictures, and movies)
http://www.infowest.com/life/aants.htm (all about ants)
http://ant.edb.miyakyo-u.ac.jp/INTRODUCTION/Gakken79E/Page_02.html (lots of great pictures and facts on ants)
http://www.kidsdiscovernature.com/ (fun outdoor activities)