Build a Food Web http://nature.ca/ukaliq/030act/017_Fwb_e.cfm

Discovery Schoolhttp://school.discovery.com/lessonplans/health.html

Dole 5 A Dayhttp://www.dole5aday.com/

Edheads  http://www.edheads.org/activities/simple-machines/index.htm

eNaturehttp://www.enature.com/guides/select_group.asp

explOratoriumhttp://www.exploratorium.edu/

Field Trips online Tramlinehttp://www.field-trips.org/trips.htm

Health Teacherhttp://www.healthteacher.com/

Health Windowshttp://www.healthwindows.org/

Invention Dimension Fun & Factshttp://web.mit.edu/afs/athena.mit.edu/org/i/invent/

JungleWalk http://www.junglewalk.com

Museum of Sciencehttp://www.mos.org

My Pyramid http://www.mypyramid.gov/

NASA KIDShttp://kids.msfc.nasa.gov/

Nutrition Explorationshttp://www.nutritionexplorations.org/

PE Centralhttp://www.pecentral.org/

Produce Oasishttp://www.produceoasis.com/Alpha_Folder/Alpha.html

Rocks and Minerals: Clues to our Environment http://www.coe.unt.edu/TeacherTools/webquests/rocks/vey-student.html#process

Science Fair Theme Pagehttp://www.cln.org/themes/science_fair.html

SCIENCE JUNCTIONhttp://www.ncsu.edu/sciencejunction/

Science Newshttp://www.sciencenewsforkids.org

4th Grade Science Skills http://www.internet4classrooms.com/skills_4th_science.htm

Smithsonianhttp://www.si.edu/

The Nine Planetshttp://www.seds.org/billa/tnp/

The Science of Hockeyhttp://www.exploratorium.edu/hockey/

The Science Spothttp://sciencespot.net/

The Children University
 http://www.childrensuniversity.manchester.ac.uk/interactives/science/microorganisms/

Wondervillehttp://www.wonderville.ca/v1/activities/phases/phases.html