SCI207.W2.LabReportingForm.2015

SCI207.W2.LabReportingForm.2015 - Lab 2 Water Quality and...

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Lab 2 – Water Quality and Contamination Experiment 1: Effects of Groundwater Contamination Table 1: Water Observations (Smell, Color, Etc.) Beaker Observations 1 No type of Oder, The water is very clear with no smell 2 No smell, the vegetable oil floated to the top 3 There is a vinegar smell, the object was (clear) 4 You can smell the detergent 5 There are no smell, the content in the beaker seems a bit darker 6 I didn’t observe any smell, the soil was saturate in the soil. Water seems clear 7 I didn’t observer any order. But the water is a bit darker. 8 I observer detergent smell. POST LAB QUESTIONS 1. Develop hypotheses on the ability of oil, vinegar, and laundry detergent to contaminate groundwater. a. Oil hypothesis = © eScience Labs, 2015
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b. Vinegar hypothesis = c. Laundry detergent hypothesis = 2. Based on the results of your experiment, would you reject or accept each hypothesis that you produced in question 1? Explain how you determined this. a. Oil hypothesis accept/reject = Oil and water doesn’t mix that means that it will not contaminate the water. b. Vinegar hypothesis accept/reject = the water and vinegar does have a smell. But if spill on the ground it be contaminated. c. Laundry detergent hypothesis accept/reject = Laundry mix together with water but if spill on the ground it will cause a contamination. 3. What effect did each of the contaminants have on the water in the experiment? Which contaminant seemed to have the most potent effect on the water? Answer = Due to the vinegar has an Oder that will make the vinegar a contaminant .On the other hand the oil doesn’t have a smell but yellow in color so that will make it a (contaminated).The detergent has an Oder and bubbly which leave the water murky.
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