Curated OER
Water Quality Tests Explained
Learners identify the eight tests done to check for water quality. In this ecology activity, students explain why it's important to test water in rivers. They explore sources of river water pollution.
Curated OER
Water Pollution Graphing Activity
Students describe and identify the link between land use activities within a watershed and water quality. They evaluate the quality of a "water sample" ( a bag of skittles), graph their results, and form a hypothesis about the land use...
Curated OER
Statistical Analysis For Graphing Calculators
Students analyze date from the Chesapeake Bay. Using a graphing calculator, they enter the data, plot three temperatures, and create a Box and Whisker plot.
Curated OER
Watershed Awareness
Students investigate the relationship between upstream influences in their watershed and the watershed's estuary. They apply the scientific process to test a hypothesis while examining the impact of upland activities on estuaries.
Curated OER
Devising a Set of Experiments to Test Water for Dissolved Substances
Students work together to test water samples for pollutants. They design data tables to collect and record their observations. They complete discussion questions to end the lesson.
Curated OER
Ecology: Effects of Land Use on Natural Streams
Eighth graders examine how humans affect various ecosystems. In this ecology lesson, 8th graders discuss different ways that contaminants enter the stream. They explain the consequences of eutrophication in lakes.