National Geographic for Kids http://www.nationalgeographic.com/kids/
Web Weather for Kids! http://www.eo.ucar.edu/webweather/index.html
The Mega Penny Project http://www.kokogiak.com/megapenny/default.asp
Be a Hurricane Tracker http://www.stormpulse.com/
ScienceBob http://www.sciencebob.com/lab/sciencefair/resources.html
Weather WizKids http://www.weatherwizkids.com
Division- Work backwards and it is multiplication practice! http://www.aplusmath.com/games/matho/DivMatho.html
Fun Brain! http://www.funbrain.com
More Math Games: Exuberant Eye http://www.games.exuberanteye.com/index.html
Multiplication Games- I recommend Patty's Paints or Tony's Tires http://www.multiplication.com/interactive_games.htm
NASA site- it is out of this world! :) http://www.nasa.gov/audience/forstudents/k-4/index.html
NASA Kids' Club http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html
Moon Phases courtesy of our US Navy http://tycho.usno.navy.mil/vphase.html
These photographs are incredible! http://pds.jpl.nasa.gov/planets/welcome.htm
I just posted this cloud chart in our room. It is great for identification! http://asd-www.larc.nasa.gov/SCOOL/PDF/Cloud_ID.pdf
Really interesting space questions and answers... e.g. Can a spacecraft land on the rings of Saturn??? http://spaceplace.nasa.gov/en/kids/phonedrmarc/index.shtml#planets
NOAA- National Oceanic and Atmospheric Administration http://www.education.noaa.gov/students.html
Multiplication Models http://nlvm.usu.edu/en/nav/frames_asid_192_g_2_t_1.html
Division Models http://nlvm.usu.edu/en/nav/frames_asid_193_g_2_t_1.html
Space Food! http://www.ag.iastate.edu/centers/ftcsc/pages/kids.htm
Pearson Math! http://www.pearsonsuccessnet.com
A website D'mitri recommended- featuring the BBC and Questionaut http://www.bbc.co.uk/schools/bitesizeprimary/
Take the soil critter quiz! http://www.fieldmuseum.org/UndergroundAdventure/critters/critter_quiz.shtml#
Do you know your dirt? http://www.harcourtschool.com/activity/dirt/
Really fun PBS games (math) http://pbskids.org/cyberchase/allgames.html
More great BBC games from D'mitri! http://www.bbc.co.uk/schools/ks2bitesize/
Visualizing Fractions http://nlvm.usu.edu/en/nav/frames_asid_102_g_2_t_1.html
Equivalent Fractions http://nlvm.usu.edu/en/nav/frames_asid_105_g_2_t_1.html
Identify Fractions + Find Grampy http://www.visualfractions.com/FindGrampy.html
Fraction Bars http://arcytech.org/java/fractions/fractions.html
Let's Play with Pattern Blocks http://arcytech.org/java/patterns/patterns_j.shtml
Score to Pour! (Capacity Game) http://pbskids.org/cyberchase/games/hardproblems/hardproblems.html
Scott Sutton- Author and Illustrator http://www.familyofree.com/
Biomes http://www.ucmp.berkeley.edu/exhibits/biomes/index.php
Biomes- Blue Planet http://www.blueplanetbiomes.org/world_biomes.htm
Great Biome Site with Links http://kids.nceas.ucsb.edu/biomes/index.html
Rainforest at Night http://www.nationalgeographic.com/features/00/earthpulse/rainforest/index_flash.html
Deep Sea Diving http://www.nationalgeographic.com/crittercam/deepsea/?fs=animals.nationalgeographic.com
The Tundra http://environment.nationalgeographic.com/environment/habitats/tundra-profile.html
Even More Biome Adventures http://www.pthsd.k12.nj.us/sch/bms/Curriculum%20Projects/SCIENCE/Biomes/index.htm
One of my favorite sites- Just for fun Make Your Own Snowflake
Passport to the Rainforest http://passporttoknowledge.com/rainforest/main.html
Living Desert http://www.livingdesert.org/
Grassland Animals http://www2.lhric.org/kat/3grass.htm
Build a Prarie http://www.bellmuseum.org/distancelearning/prairie/build/index.html
Evergreen (Coniferous) Forest http://inchinapinch.com/hab_pgs/terres/coniferous/c_forest.htm
Grammar Games http://classroom.jc-schools.net/basic/la-grammar.html
Chain Reaction (Food Chain Game) http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/play_chainreaction.html
Build Food Webs http://www.harcourtschool.com/activity/food/food_menu.html
Science Games http://www.sheppardsoftware.com/web_games_trivia_animal.htm
If you like Make a Flake, you will LOVE... Mr.Picassohead
Under the Sea Math http://www.learnalberta.ca/content/me3us/flash/index.html
Speak for the Trees! http://lorax.conservation.org/
Animal Adaptations http://www.switcheroozoo.com/
Add/Subtract decimals http://www.coolmath.com/decimals/06-decimals-adding.html
Fossils- Build a Skeleton! http://www.bbc.co.uk/sn/prehistoric_life/games/skeleton_jigsaw/
Summer Reading Suggestions! http://home.comcast.net/~ngiansante/
Making Fossils! http://www.bbc.co.uk/sn/prehistoric_life/dinosaurs/making_fossils/
Natural History Museum- Dinos and Fossils http://www.nhm.ac.uk/kids-only/dinosaurs/
Hubble http://hubblesite.org/
Check out the Regions of Texas! http://www.tpwd.state.tx.us/kids/about_texas/regions/index.phtml
More on Texas Regions http://www.mcallen.lib.tx.us/library/child/homework/txreg.htm
Web Weather for Kids- Great Cloud Info http://eo.ucar.edu/webweather/cloudhome.html
Fish Math http://www.learnalberta.ca/content/me3us/flash/index.html
Moon Phases!!! http://www.harcourtschool.com/activity/moon_phases/
Make sure to check out Mrs. Waddill's links! http://teacherweb.com/TX/PurpleSageElementary/Waddill/links1.aspx
Look! It's Phil Bildner! http://philbildner.com/index.html
Shape It Up:Erosion Game http://www.kineticcity.com/mindgames/warper/
Get the Dirt on Soil with Bernie http://www.biodiversity911.org/soil/soil_main.html#
Ready to Start Area and Perimeter? Try these! http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/perimeter_and_area/index.html
Practice your parts of speech AND write wacky tales! (similar to MadLibs) http://www.eduplace.com/tales/
The Kids' World Almanac: A fun place to research http://www.worldalmanacforkids.com/WAKI-Home.aspx
IRIS- Seismic Activity Monitoring System- Click on the map or check out the "Student" section http://www.iris.edu/dms/seismon.htm