NASA
Climate Kids: 10 Interesting Things About Ecosystems
Discover 10 interesting things about ecosystems, including features of coral reefs, rainforests, deserts, grasslands, freshwater ecosystems, the tundra, the ocean floor, wetlands, boreal forests and big cities.
Biology Pages
Kimball's Biology Pages: Freshwater Ecosystems
A reference page describing freshwater ecosystems, lakes, ponds, and rivers.
PBS
Nh Pbs: Nature Works: Rivers and Streams
Learn more about Rivers and Streams through this educational resource. This site features photographs, a description, fun facts, and more about this type of freshwater ecosystem.
Center for Innovation in Engineering and Science Education, Stevens Institute of Technology
Ciese Collaborative Projects: Bucket Buddies: Environmental Study
Bucket Buddies is an opportunity for learners to participate in a world-wide environmental study. By identifying organisms in pond water, participating classes can compare their findings, and look for relationships in data. In addition...
US Geological Survey
U.s. Department of Interior: Lake Pontchartrain Basin Lessons
An entire unit regarding the wetlands of the Lake Pontchartrain Basin. Students can find comparisons or relationships between elevation, vegetation, soils, geologic formations, rainfall, pollution, public land use, coastal wetlands,...
Utah Education Network
Uen: Macroinvertebrate Simon Says
Introduces students to the feeding adaptations found in aquatic macroinvertebrates.
CK-12 Foundation
Ck 12: Biology: Biomes Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on biomes.
CK-12 Foundation
Ck 12: Earth Science for Middle School
This digital textbook covers core earth science concepts and includes interactive features, real-world examples, videos, and study guides.