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Lab Report

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This report presents the reason why the ocean does not freeze In the winter. Since the ocean consists of salt water, an experiment was done to test the effect of freezing on salt water compared to pure water. The experiment was conducted three times in order to obtain accurate results and eliminate errors. In addition to the salt and pure water experiment, a variation of this experiment was created to test other options. In the variation experiment the effect of freezing on sugar water was conducted.

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Materials and Method: In order to set up the experiment, two 16 oz measuring cups were collected. One was labeled pure water and the other was labeled salt water. One cup of cold tap water was poured into both cups and two tablespoons of dizzied table salt was dissolved in the cup labeled salt water. After that, both cups were placed in the freezer. Every 1 5 minutes, the state of the water in the cups were observed and recorded until the water in both cups froze.

This experiment was conducted three times for accuracy with the same materials and method.

A variation of this experiment was then set up to test the effect of freezing on sugar water. The same wow 16 oz measuring cups were used and one cup of cold tap water was poured in both cups. One cup was labeled pure water and the other was labeled sugar water. Then, two tablespoons of sugar was dissolved in the cup labeled sugar water. After that, both cups were placed in the freezer and the state of the water in both cups were observed and recorded every 1 5 minutes. This experiment was also conducted three times for accuracy with the same materials and method.

Result: Time (earn) Trial 1 Trial 2 Tonal 3 15 Water In both cups were liquid Liquid water In both cups Water in both cups still liquid 5 No change Pure water froze and salt water has thin sheet of ice on the surface Thin sheet of ice on the surface of salt water and pure water Is frozen Pure water Is frozen and thin layer of Ice on top of salt water 75 water froze and pure water completely frozen Pure water completely frozen and salt water is more frozen than before 90 Both pure and salt water completely frozen Both pure and salt water are completely frozen Table.

Cite this Lab Report

Lab Report. (2018, Jan 07). Retrieved from https://graduateway.com/lab-report/

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