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Environmental sciences science fair project:
The effect of phosphate on the oxygen level in pond water

Science Fair Project Information
Title: The effect of phosphate on the oxygen level in pond water
Subject: Environmental Sciences
Grade level: Middle School - Grades 7-9
Academic Level: Ordinary
Project Type: Experimental
Cost: Low
Affiliation: Batesburg-Leesville High School (BLHS)
Year: 1997
Description: In this experiment, jars were filled with tap water and one milliliter of algae was added to each. Different phosphate solution quantities were added to the jars. The jars were placed under a growth light. The amount of dissolved oxygen was measured daily using a dissolved oxygen meter and the results were observed.
Link: http://scssi.scetv.org/mims/schools/blhs/science/alliso1.htm
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