Foundation for Water & Energy Education
How Can a Dam Affect a River? Activity B
Second in a pair of activities, young ecologists continue to examine the food pyramid of a freshwater ecosystem. They take a look at the food pyramid drawn in Activity A and consider what would happen if a reservoir was created on the...
Curated OER
Hawaii's Freshwater Animals - Species Report
Students explore biology by creating a report for the class. In this oceanography lesson, students research and identify the survival characteristics of a list of freshwater animals by utilizing the Internet and library. Students...
Foundation for Water & Energy Education
How Can a Dam Affect a River? Activity A
Written for Washington state students in life science, this lesson provides an opportunity to examine the residents of local freshwater habitats. You or the class collects a water sample, and learners try to examine what organisms live...
NOAA
Why Should I Care?: Show How Increased Carbon Dioxide Makes the Ocean More Acidic
How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...