For years this planet has been undergoing vast changes in its environment, wildlife, and mostly our oceans. The acidifying of our oceans is because of all the Carbon Dioxide that is absorbed by seawater. A chemical reaction that occur which reduces seawater's pH. All of the Carbon Dioxide is being put into our atmosphere by the burning of fossil fuels. Calcium carbonate minerals are the building blocks for the skeletons of shells of many marine organisms. In certain areas where life now congregates in the ocean, the seawater, is supersaturated with calcium carbonate mineral. The guiding question is what may different concentrations of acid do to the shells? My hypothesis for this is that in the span of one week the shells that were put into
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Cup 1 had 1 t-spoons of vinegar, cup 2 had 2 t-spoons, and last cup 3 had 3 t-spoons. These shells were weighed before we put them into the cups to see the mass of each one. My partners put each shell on the scale and measured it in grams. Through this process the end results were, the first shell weighing 1.15g, the second shell 2.26g and last the third shell 1.41g before we put them into the vinegar. The independent variable would be the amount of vinegar put into the saltwater. The dependent variable would be the shells and what happened to the shells, if it breaks down. These three shells are different types than each other so they don't weigh the same amount. After the one week is up my partners helped me weigh all of the shells again, but first we have to wash and dry them so the excess amount of vinegar on the shells don't add weight to them. The shells are now washed and then put onto a scale, after 1 week cup one's shell now weighs 0.78g. The second cups shell now weighs 1.42g and last the third cup’s shell now weighs 0.45g. The first shell lost 0.37g of mass, the second shell lost 0.84g of mass, and last the third shell lost a total of 0.96g of mass. I got this measurement by subtracting the first weight to the last weight and you get the final loss of
Cup 1 had 1 t-spoons of vinegar, cup 2 had 2 t-spoons, and last cup 3 had 3 t-spoons. These shells were weighed before we put them into the cups to see the mass of each one. My partners put each shell on the scale and measured it in grams. Through this process the end results were, the first shell weighing 1.15g, the second shell 2.26g and last the third shell 1.41g before we put them into the vinegar. The independent variable would be the amount of vinegar put into the saltwater. The dependent variable would be the shells and what happened to the shells, if it breaks down. These three shells are different types than each other so they don't weigh the same amount. After the one week is up my partners helped me weigh all of the shells again, but first we have to wash and dry them so the excess amount of vinegar on the shells don't add weight to them. The shells are now washed and then put onto a scale, after 1 week cup one's shell now weighs 0.78g. The second cups shell now weighs 1.42g and last the third cup’s shell now weighs 0.45g. The first shell lost 0.37g of mass, the second shell lost 0.84g of mass, and last the third shell lost a total of 0.96g of mass. I got this measurement by subtracting the first weight to the last weight and you get the final loss of