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
Lotic Environment
Students assemble a classroom river model as an example of a lotic system. They control and measure biotic and abiotic information for the in-class system and compare data with a lotic system in a natural environment.
Curated OER
Lotic Environment Lesson Plans
High schoolers create and conduct experiments on a "classroom river habitat." They manipulate the biotic and abiotic factors so that they are able to compare an artificially prepared river model to a naturally occurring lotic ecosystem.
Curated OER
Learning About Watersheds
In this learning about watersheds instructional activity, students answer 15 questions using links to web resources about water use in their community. This page includes numerous links to helpful websites.