Students learn the components of a watershed, identify examples of point and nonpoint source pollution, and then build a 3-D watershed model.

In this lesson, students are asked to think critically about the effects of drought, their personal water use, and how best to conserve water.

In this lab activity, students investigate three aquatic ecosystems to determine the relative pollution index and the water quality of each ecosystem. Students collect and analyze benthic organisms found in each system in order to conduct a water quality assessment.

In this field activity, students will map a neighborhood wetland and generate various watershed questions. Students will identify engineered structures in or around this wetland and consider how flood water can be controlled.

In this series of activities, students will design and build models of nine life support systems which are crucial to a successful settlement of the Moon. They will make plans based on their knowledge of how these systems work on Earth.

Students research the ways that humans impact coral reef ecology and identify some of the organisms that live in coral reef habitats. They will write a narrative essay as if they are one of these organisms and discuss how they are affected by human activities such as over-fishing, habitat destruction, pollution, etc.

Students learn about the relationships among water quality, water pollution (point and nonpoint sources), personal lifestyle, and the ecological health of a river basin. Although this module focuses on the Lake Pontchartrain Basin, the activities and content can be applied to any river basin.

In this lesson, students will review the hydrologic cycle and will identify its stages in their communities and will speculate on possible uses for hydrokinetic energy in their communities.

In this WebQuest students will research the natural history and biological diversity of the Mono Basin, an environment directly affected by the needs of humans. They will explore the unique environment of Mono Lake, the extreme forms of life inhabiting the area, the role of Mono Lake in the search for extraterrestrial life, and the impact humans have made on the area. In the end, they will be faced with a very tough decision: Are humans justified in taking water- the very life- from the Mono Basin to satisfy their needs?

In this field lab, students will explore macroinvertebrates found in a pond system near the middle school. They will explore and observe, then focus on a particular objective from information shared by all groups. Students will then formulate a question and procedures to "test" their question.

Students compare and contrast two Marine Protected Areas (MPAs) by evaluating case studies. Then they learn how the MPA classification system works in the United States and apply that system to the MPA case studies.

In this lesson, students will identify, analyze, and interpret patterns in data related to a public health emergency, investigate and plan a public health emergency response to a natural disaster, and determine ways to prepare for public health emergencies.

Students are introduced to the social and scientific issues surrounding the removal of the Glines Canyon Dam on the Elwha River in Washington state, and conduct a hands-on experiment with real-world application to observe the effects and consequences of removing the dam.

In this class demonstration, students observe a simple water cycle model to better understand its role in pollutant transport. This activity shows one way in which pollution is affected by the water cycle; it simulates a point source of pollution in a lake and the resulting environmental consequences.

In this activity students will explore density (weight per unit volume or weight for the same amount) of several different salt solutions. The solutions demonstrate the changes in salinity that occur as freshwater streams enter the salty ocean.

In this short video, accompanying activity, and readings, students learn about wetlands by exploring the wetlands at Haw River State Park.

Students develop an appreciation for the complex interrelationships of natural resources in a river basin and how we must learn to steward them. Students will also generate and test hypotheses regarding the effects of specific pollutants upon an aquatic ecosystem by designing and implementing a controlled experiment. Although this module focuses on the Lake Pontchartrain Basin, the activities and content can be applied to any river basin.

Plastic bottles are used to simulate the link between land and sea. Students investigate some of the potential impacts increased nutrient use on land can have on the marine environment.

In this activity, students collect and observe macroinvertebrates from a local freshwater stream.