Curated OER
Dissolved Oxygen
Students examine characteristics of dissolved oxygen. Given a stream temperature, and stream conditions, students study the relationships of the dissolved oygen in a stream, in organic waste loads.
Curated OER
Got the Whole World in My Hands
Students review factors that threaten survival of different species. this lesson is part of a multi-segmented unit on animal survival.
Curated OER
Wise Use of Paper
Students explore the paper recycling process. They experiment with ways to conserve and recycle paper products.
Curated OER
A Study of the Effects of Ethanol and Heavy Metal Chemicals on the Development of the Zebrafish Embryo
Students are exposed to the dangers of alcohol abuse through the study and experimentation of alcohol on zebrafish embryos. This exercise can be used to demonstrate the effects of ethanol, cadmium, and lead on embryological development.