Research on Density Essay
ABSTRACT
The topic of this experiment is Density. The objective is to find two ways in which the density of a given object can be determined, and to find out which of the two ways is more accurate and hence better to use in such a case. The two methods used in this experiment are finding the dimensions of the object and water displacement. These are two ways of finding the volume of an object, and they were chosen since the density of an object may be found using its mass and its volume. The experiment yielded two different density values, however when error analysis was conducted, the water displacement method was proven to be more accurate.
INTRODUCTION …show more content…
DATA/RESULTS
Table 1: Mass of Given Object for four(4) Separate Trials TRIAL NUMBER 1 2 3 4 MASS(g) 5.32 5.32 5.32 5.32
Table 2: Measurements of Dimensions of the Given Object DIMENSION Length b Width w Height h Table 3: Initial and Final Volumes of Water INTIAL(mL) 500.0 Calculations: Volume1 = area of face of solid x width = (1/2b x h) x w = (1/2 x 10.0cm x5.0cm) x 3.5 = 87.50 cm3 Volume2 = Vf  Vi = 520.0mL 500.0mL = 20.0mL Density = Mass/Volume D = m/V D1 = m/V1 ; m=5.32g, V1=87.50cm3 FINAL(mL) 520.0 MEASUREMENT(cm) 10.0 3.5 5.0
Therefore D1= 5.32g 87.50cm3 = 0.0608 g/cm3 D2 = m/V2 ; m= 5.32g, V2= 20.00 mL Therefore D2 = 5.32g 20.00mL =0.266g/mL
Error

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