A student wants to determine the density of a pine cone. He weighs the cone and prepares to find its volume. He submerges the pine cone in a graduated cylinder filled with water and records the water level. He realizes he forgot to record the initial water level of the graduated cylinder. Because he wants to get done with the lab, he removes the pine cone and records the water level. He uses this water level as the initial water level when he calculates density. Will his calculated density differ from the true density? If so, how and why?