UV radiation

http://www.peepsun.com/uvultra.htm
http://www.eco-action.org/dt/ozone.html

Spectroscopy

http://www.scimedia.com/chem-ed/spec/spectros.htm
http://www.scimedia.com/chem-ed/light/em-rad.htm
http://cse.ssl.berkeley.edu/light/program.html
http://cse.ssl.berkeley.edu/light/measure_measuring.html

Electromagnetic Radiation

http://www.scimedia.com/chem-ed/light/em-rad.htm

UV Index

http://www.eco-action.org/dt/ozone.html

Electromagnetic Spectrum

http://praxis.pha.jhu.edu/science/emspec.html
http://imagine.gsfc.nasa.gov/docs/science/know_11/emspectrum.html

Health Issues and UV Radiation

http://www.eco-action.org/dt/ozone.html (Impact on plants, human heath effects, and impact on ocean)
http://www.usatoday.com/weather/wu2.html (National weather forecasts for UV cautions)

Food Chain

http://marine.rutgers.edu/pt/activities/web.htm

Food Web

http://marine.rutgers.edu/pt/activities/web4.htm (food web, upwelling)

Phytoplankton: Relationship to Man and his Environment

http://marine.rutgers.edu/pt/activities/live2.htm (definition, upwelling, Photosynthesis)
http://earth.agu.org/revgeophys/chisho00/node2.html (role in global carbon cycle)
http://www.nwfsc.noaa.gov/hab/biotoxins.htm (marine biotoxins & harmful algal blooms)
http://www.redtide.whoi.edu/hab/illness/illness.html (human illness)
http://seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/education_lesson1.html (uses of algae)