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Title: Density of a Garden Rock Aim: To determine the density of a garden rock by using the displacement of water by using the displacement of water method. Hypothesis: It is predicted that the density would equal the mass divided by the volume of the garden rock. Apparatus: Electronic Balance Measuring Cylinder 3 Garden Rocks Water Method: First collect three rocks that can fit into an accurate measuring cylinder. Then use the electronic balance to record the mass of each rock individually in grams (g). Next observe the initial amount of water in the cylinder. Then drop the rock into the cylinder and observe the change of the amount of water in the cylinder. Now to calculate the density of the rock, subtract your final volume of water from your initial volume of water. Next record this as the volume of the garden rock. This method is known as the displacement method....

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