Use the displacement method 1 .take a bowl that the apple could fit in, then fill up the bowl with water until it overflows. 2 make sure you catch all the water in a measuring cup. 3. Homes out is the volume of the apple If we model it as a sphere, the volume can be calculated with the equation 4/3 pi. r 3, where pi is the number 3.1415 .ever much water.put the apple in slowly and and r is the radius of the sphere. estimating the average diameter for an apple as 8 cm gives a radius of 4 cm so the estimate for the volume would be: 268 cm 3 .
