- NASA Oceanography Program
- NASA SeaWiFS Project
- NASA MODIS instrument
- Coastal Zone Color Scanner Interactive Region Selection
- NASA Earth Observatory: What are phytoplankton?
- For Kids Only: How NASA Studies Water
- Terra: The Earth Observing System's Flagship
- J.J. MacIssac Facility for Individual Particle Analysis
- Sea Soup Teacher's Guide: Discovering the Watery World of Phytoplankton and Zooplankton
- Marine Science Online Magazine: Microbial loop
- Careers in marine science (Ocean Link)
- Plankton "ID" activity (Bigelow Laboratory)
- Creating plankton (Gulf of Maine Aquarium)
- Ocean plankton biology (Bigelow Laboratory)
- Ocean World: Fisheries (Texas A&M University)
- NOAA's "Live Access to Climate Data"
- Ocean Surface Topography from Space: Education (NASA/Jet Propulsion Laboratory)
