NASA for middle-school students http://www.nasa.gov/audience/forstudents/5-8/features/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Grade 6 textbook: Prentice Hall Life Science http://www.phschool.com/atschool/sci_exp_lep/life_science/Student_Area/LS_S_BK_index.html
Grade 5 textbook: Harcourt Science http://harcourtschool.com
Jet Propulsion Lab (current events in space) http://www.jpl.nasa.gov/index.html
DARE Program http://www.dare.com
Einstein Interactive site on NOVA http://www.pbs.org/wgbh/nova/einstein/relativity/index.html
The Cell and Genetics (interactive) http://nature.ca/genome/index_e.cfm
Biomes of the world http://www.blueplanetbiomes.org/
space interactive site http://amazing-space.stsci.edu/resources/explorations/index.shtml
Build a water cycle model http://casnov1.cas.muohio.edu/scienceforohio/Water1/Rtp.html
Spooky Halloween Science http://www.aip.org/isns/reports/2005/016.html
Check out the night sky! http://amazing-space.stsci.edu/tonights_sky/index.php
Moon Phases Challenge http://www.sciencenetlinks.com/interactives/moon/moon_challenge/moon_challenge.html
More Spooky Halloween Science http://www.stevespanglerscience.com/experiment/00000152
Microscope review http://www.cas.muohio.edu/mbi-ws/microscopes/compoundscope.html#how%20it%20works
Cincinnati Museum Center http://view.exacttarget.com/?j=fe62157277610d797617&m=ff321671746d&ls=fde41779726c01797d177673&jb=
Pollination
soil
Plant parts
Plants and photosynthesis
Plant Parts and other important concepts
Plants from around the world