Currclick Science Fair 2012 Entry || "Wondering About Water Quality"

HD version of my video on Currclick, since I didn't have time to render it in HD before the deadline last night. The flashing at the very end ...

AP Biology Lab 12: Dissolved Oxygen

Mr. Andersen demonstrates the azide-winkler method of dissolved oxygen analysis. ... bozemanbiology ... "ap biology lab" "dissolved ...