Curated OER
Erosion in Freshwater Ecosystems
Students explore the concept of sediment pollution. In this erosion lesson, students discuss the process of erosion and determine how sediment pollution affects animals that live in freshwater ecosystems. Students respond to questions...
Curated OER
Water Environments
In this water environments worksheet, students will brainstorm limiting factors in water biomes, describe the two life zones in the ocean, and compare two types of freshwater ecosystems. This worksheet has 9 short answer questions.
Curated OER
Life in a Drop of Water
Students observe the wealth of living organisms in a drop of water from our freshwater ecosystems. They classify the types of organisms observed as single-celled or multi-cellular and use a key or chart to identify and name the organisms...