Backyard Jungle
http://pbskids.org/backyardjungle/
Force
http://www.pbs.org/wgbh/buildingbig/lab/forces.html
http://www.ars.usda.gov/is/kids/
http://www.exploratorium.edu/science_explorer/index.html
http://www.kidsites.com/sites-edu/science.htm
Excellent
http://www.plymouthschools.com/Links/ROAR/science.htm
excellent
Kid Zone Facts and Experiments
http://www.kidzone.ws/science/index.htm
Kids Science Page
Magic School Bus
http://www.microsoft.com/education/default.asp?ID=TAG
Magnets
http://www.le.ac.uk/se/centres/sci/selfstudy/mam.htm
Microbes
http://www.microbe.org/microbes/mysteries.asp
http://www.reachoutmichigan.org/funexperiments/agesubject/middleschool.html
http://kids.nationalgeographic.com/
NASA Science
http://whyfiles.larc.nasa.gov/text/kids/Research_Rack/tools.html
NeuroScience
http://faculty.washington.edu/chudler/neurok.html
Science Museums
http://www.sln.org/museums/index.html
Scott Forsman Science Grade 1
http://www.sfscience.com/english/grade_1/index.htm
Science Facts
Mysteries
http://www.loc.gov/rr/scitech/mysteries/
http://www.fi.edu/earth/earth.html
http://www.fi.edu/earth/earth.html
http://www.fi.edu/earth/earth.html
videos
http://videoclips.mrdonn.org/science.html
Science City
http://www.sciencecity.com/
Mad
Science
https://kids.usa.gov/science/index.shtml
http://gws.ala.org/category/sciences