Curated OER
Ecological Succession in Pond Water Cultures
Learners collect samples of pond water, dried grass, and soil in a jar. They predict the order of ecological succession in their pond water cultures. They compare their expected results with their observed results.
Curated OER
Pond Water Web
Learners identify the different organisms in the food web. In this biology lesson, students create food chains using the information on cards. They explain what happens if an organism is removed or added in the web.
Curated OER
Lentic Ecosystem or Lotic Ecosystem
Students explore the differences between lentic and lotic ecosystems. In this ecology lesson students study the water systems in Pennsylvania.
Curated OER
Effects of Water Pollution on Aquatic Organisms
Students investigate water pollution. They develop an understanding of the behavior of organisms, of the structure and properties of matter, and of natural and human induced hazards by conducting lab tests. They present their data...