Poisons, disease causing agents and toxins can reside in water, and adversely affect people (De Villiers, 2001).The objective of the three experiments was to find out the effects of ground water contamination, the process of water treatment and testing the quality of drinking water. Research indicates that toxins and lead acid chemicals are responsible for majority of cancers affecting many people today. It is because of these impurities and dangers associated with contaminated water that water purification becomes necessary. As noted, most of the water found on the earth surface comes from rain. However, the various processes affect its purity, necessitating its purification before usage by people. By examining the sources of impurities in water, it will be possible to reduce entry of these impurities in water. On the other hand, understanding the process of water purification will be important in understanding the costs involved in water purification, subsequently increasing our care for water.There were separate hypotheses for the three experiments. The ground water contamination experiment, I hypothesized that oil will not mix with contaminate ground water. When vinegar is mixed with ground water, it will lose its smell when mixed with contaminate ground water. I also hypothesized that laundry detergent will become foamy when mixed with contaminate ground water. In the water treatment experiment, I hypothesized that the filtration process will leave many contaminations. Finally, the quality of drinking water experiment, I hypothesized that tap water will contain the least amount of components, while Fiji water will contain the highest number of chemical components.The experiments took place in the laboratory. Three separate tests using different materials and procedures were conducted for each of the experiments. In experiment 1, we added different components in 3 beakers containing water. We added vegetable oil in beaker 2, vinegar in beaker 3 and liquid laundry detergent in beaker 4. We also added 60ml of soil into the four beakers using cheesecloth and a similar amount in beaker 5 containing water only.In experiment 2, we made a soil solution by pouring 100ml of soil into a beaker and adding water. We then poured the contaminated water into a clean beaker, stirred the mixture and let it sit for at least 15 minutes. We added 40ml of sand, 20ml of charcoal and 40ml of gravel into another beaker and
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