Curated OER
Measuring Rainfall and Relationships Between pH, Alkalinity and Suspended Solids in the Pago River
Eleventh graders test the pH and alkalinity of Pago River. In this ecology lesson, 11th graders collect data and use spreadsheet to graph results. They analyze and share their findings with the class.
Curated OER
Using Abiotic and Biotic Parameters to Monitor Air Quality
Learners identify the abiotic factors that influence a river or stream and the organisms that live in it. They measure several abiotic and biotic parameters to gauge water quality. Students examine the biotic environment by identifying...
Curated OER
Wacky Water Critters
Students visit a local creek or stream. They collect water samples from the creek and observe and sort the "water critters" they find in the sample, observing smaller organisms under a microscope if necessary. They identify each organism...
Curated OER
Dissolved Oxygen Activity
Students explore why dissolved oxygen must be present for aquatic life to survive. They explain what dissolved means. Students discuss what dissolved oxygen is. They watch as the teacher lights two candles and place a jar over one of...
Curated OER
On the Trail with Lewis and Clark
Eighth graders use the Internet to conduct research on the Lewis and Clark journals and work cooperatively in planning and delivering a presentation.