Regular And Irregular Shape Lab Report

In the lab, we purposed to find the density of two solid substances with different shapes that was in regular and irregular shapes. We found the mass of the substances by weighting them on a balance. We wanted to make sure that the mass of a substance is correct, so we put the substance on a balance 3 times. After that we calculated the average mass of the substance by adding 3 total masses and dividing them by 3.The volumes of the two shapes substances were determined by using a graduated cylinder and a beaker. The first method that we used was the water displacement. The first sold substance was in a regular shape, and we calculated its mass by putting it on a balance 3 times. Next, we wanted to calculate the volume of the substance, so
We determined the mass of the irregular shape substance by putting it on a balance for 3 times, then we calculated its volume. We brought an empty graduated cylinder, and we put 600 mL of water on it. We recorded the first water level which was 600mL. Next , we used a solid substance which weight was 100g to calculate the second water level. When we added 100g, we found that the water level increased 12 mL from the previous water level and became 612mL. Then, we added the irregular shape into the water, and we recorded its water level which was 691.5. Later, we wanted to calculate the final value of for the irregular shape substance's water level, so we subtracted 12 from the second water level which is 691.5-12= 679.5mL ,and then we subtracted this number from the first water level that is 679.5-600= 79.5mL to get the volume of the substance. Determining the volume of the solid substances that do not have a definite known shape requires the use of changes in the volume of water in the measuring cylinder when these solid substances are immersed. Using the water displacement and dimension methods were helpful to determine the volumes of different