Chelsea+F

BUOYANCY OF ICE

CHELSEA F.

ABSTRACT

The purpose of the experiment was to figure out which liquid ice had the best buoyancy in. It was hypothesized that the ice would float best in salt water. There were three experiments conducted. The first experiment was done by placing ice into a beaker with the liquids in it and seeing which liquid rose the highest and which liquid rose the least. The liquids tested were Diet Coke, Tide laundry detergent, vinegar, salt water and tap water. The second experiment was done to see which liquids dry ice sunk and floated in. The liquids tested were Diet coke, salt water, Sunkist, Tide laundry detergent and tap water. The third experiment was done to see how the temperature changed when ice was dropped in. Only tap water, coke and salt water were tested in that experiment. The results showed that ice had the best buoyancy in the vinegar as the liquid only rose 9 mL and it had the worst buoyancy in the tap water because the water rose 15 mL. In the second experiment the dry ice sunk to the bottom in each of the liquids tested but as it started to melt it rose higher. In each of the liquids tested the temperature decreased by 12 ˚C after the ice was added.

EXPERIMENTAL IMPROVEMENTS AND FUTURE EXPERIMENTS

To improve the experiment more intricate measurements should be made and the experiments could have been performed more to get a more detailed result. One thing that was interesting was that the dry ice came up as bubbles and the steam didn’t come out until the bubbles were popped. To further investigate on this topic, future experiments could include measuring out the densities of the ice and the liquids and compare that way.

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