Students explore what a food web is. In this science lesson, students examine how nutrients and other pollutants enter a lake and play a food web game whereby students pretend they are either zooplankton, planktivore,...

Learners explore the freshwater ecosystem of Africa's Lake Victoria by creating a freshwater aquarium. They investigate factors affecting the aquarium's ecosystem and conduct lab activities.

Learners are taught how to format and enter data into an Excel spreadsheet. They make a graph, and interpret graphed data. Students discuss the possible impacts of zebra mussels on the Hudson river. They graph zebra mussel data.

Students identify species and components of a Great Lakes food web. Using note cards, they place themselves in the correct order of the food chain based on the species present. They discuss what they believe happens to various species...