Can a sidewalk increase the amount of pollution in local streams? Scholars learn the answer to this question though research and experimentation in the fifth unit in the six-part series. Pupils study runoff, impervious surfaces, and the...

Students find ways to decrease soil runoff for an African Village as a part of a Peace Corps project. In this soil runoff lesson, students play a soil runoff challenge online. Students complete online activities and view a slide show to...

Thirsty plants soak up every bit of a rainfall, but what happens to the rain that hits the roof? Calculate the amount of rainwater from your school's roof with an Earth science activity, which brings measurement skills, observation...

Students create a river drainage basin using a plastic tub, sand and a pitcher of water. They simulate the flow of water through the basin then add chocolate syrup to model what would happen if stormwater pollution entered the basin.

Where does the water we use come from? To understand the concept of a watershed, class members study the water cycle and then engage in an activity that simulates a watershed.

Dive into a lesson on the hydrosphere with this Powerpoint presentation. Building on prior knowledge of the water cycle, young scientists learn what happens to water after it falls as precipitation and explore the...

What are fibersheds and what what do they have to do with environmental protections? A photo essay and audio recordings about Mimi Luebbermann, and her sheep, cause consumers to reflect on how their clothing choices can support local...

Students compare ways in which people form different cultures think about and deal with their physical environment and social conditions. They identify examples of change and recognize examples of cause and effect relationships. Students...

Pupils are introduced to the components and importance of the water cycle. They are shown how groundwater moves using a model. Students list 9 places on earth where water is found. They define the terms cycle and water cycle.

Middle schoolers make a clay model and a geographic map of a watershed. They talk about the differences between the two representations and the potential human threats to watersheds.

Students write paragraphs and color illustrations about acid rain. They color in where gases come from, where they mix, and where they return. They discuss where acids form in the atmosphere and list manmade sources of gases.

Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...