EASY Science Fair Project for grade school..... - page 21 Purpose         The purpose of my project is to determine if there is any significant difference in dissolved oxygen (DO) levels as measured by the traditional HACH® method or the newly developed CHEMets® test kit under typical field conditions. Hypothesis         My hypothesis is that there is no significant difference in dissolved oxygen (DO) levels as measured by the traditional HACH® method or the newly developed CHEMets® test …showed first 75 words of 3546 total…

…showed last 75 words of 3546 total…Science: the way the world works. (3rd ed.) New Jersey: Prentice Hall. Pomfret, 0.J. (1994, Nov. 25). Rivers deadly to Black Sea. The Daily Journal. pp. 20. Roskowski, R. & Marshall, B. (1993, Jul/Aug). Gases in water. Aquaculture, pp. 70-76. Schopf, J. (!993, May). Fossil show diversity of life. Science News pp.276. Stapp, W. & Mitchell, M. (1992). Field manual for water quality. (6th ed.). Michigan: Thomson - Shore Inc. Steele, J. (1993, Oct.). The American environmental policy. American Heritage. pp.30.