Curated OER
Is Our Water Healthy?
Students test water for a least one chemical characteristic. They hypothesize how a storm event might change the chemical characteristics of a stream. Students collect water samples and use the chemical test to test the water.
Curated OER
Dissolved Oxygen Introduction
Students are shown how dissolved oxygen enters the water. They are taught the difference between a water sample that has been exposed to the air and one that has not. Students brainstorm what organisms need to survive. They use dissolved...
Curated OER
A "Sedimental" Journey-Sediment Collection
Students are asked how they would gather a sample of sediment from a lake, stream, river, pond, or swamp. They discuss safety concerns involving sample collections. Students are instructed to stay out of the water and to be careful not...