The following sites are links that I use in my classroom.  I find them to be helpful.

1.  SD Ed Web
http://www.sdedweb.com/
Primary Use:  Teachers, Students and Parents
Purpose:  Sites have been approved by SD Teachers, good quality
Sponsor:  SD D.O.E.
Update:
Summary of content:  Provides listing of sites by topic or theme for use by educators, parents and students.

2.  Back 2 School
http://www.state.sd.us/deca/DDN4Learning/ThemeUnits/back2school/
Primary Use:  Teachers
Purpose:  Listing of ideas to use for teachers preparing for school to start.
Sponsor:  DDN4Learning
Update:
Summary of content:  Provides a variety of back to school ideas.

3. Poking Around the Pumpkin Patch
http://www.umkc.edu/imc/pumpkin.htm
Primary Use:  Teachers and parents
Purpose:  An aid for putting together a pumpkin unit.
Sponsor:
Update:
Summary of content:  Provides a variety of pumpkin activities for school and home.

4.  Pumpkins and More
http://www.urbanext.uiuc.edu/pumpkins/facts.html
Primary Use:  Teachers and parents
Purpose:  An aid for putting together a pumpkin unit.
Sponsor:  Urban Programs Resource Center
Update:
Summary of content:  Listing of many pumpkin facts. 

5.  ABCTeach
http://www.abcteach.com/
Primary Use:  Teachers and Parents
Purpose:  A rich resource of teaching ideas.
Sponsor:  abcteach
Update:  2003
Summary of content:  Listing of lesson ideas as well as printables organized by topics or theme.

http://www.aplusmath.com/

http://www.electricteacher.com/

http://www.janbrett.com/

http://www.brainpop.com/science

http://funbrain.com

http://www.education-world.com

http://www.libsci.sc.edu/miller/plants.htm
wonderful plant lesson ideas

http://school.discovery.com/ontv/videoclips.html
video clips

http://www.monroe2boces.org/shared/esp/Unitres.htm
science units

http://scifun.chem.wisc.edu/chemweek/fallcolr/fallcolr.html
changing of leaves

http://www.reachoutmichigan.org/funexperiments/agesubject/lessons/sunlight.html
This has the lesson on why plants need sunlight all written out.

http://www.reachoutmichigan.org/funexperiments/agesubject/lessons/sponge.html
This has the lesson on how seeds germinate all written out.

http://www.standards.dfee.gov.uk/schemes2/secondary_science/sci09c/09cq1a
lessons on how plants grow

http://www.pbs.org/americanfieldguide/topics/plants/index.html
video clip on why leaves change color

http://www.shockwave.com/sw/content/typershark
Typing program

http://www.video-clips.co.uk/
video clips

http://www.hhmi.org/coolscience/vegquiz/partlist.html
Parts of a plant chart

http://www.free-backgrounds.com/
Backgrounds for Web-sites

http://www.desktoppublishing.com

http://www.webpagebackground.com/nature.htm
Nature pictures for backgrounds

http://www.countryclipart.com/
Country graphics for websites

http://www.countryclipart.com/welcome.htm
school webpage stuff

http://www.mathstories.com/Book_17_3pigs_grades23.htm
Math story problems

http://www.theteachersguide.com/clipart/sunsay2.gif
parent/teacher poem

http://www.theteachersguide.com/bookactivities.html
books and ideas to use with them