A student wanted to determine the density of the irregular shaped object shown in Figure 3 - AQA - GCSE Physics Combined Science - Question 2 - 2018 - Paper 1

Partially fill a measuring cylinder with a known volume of water. Record this initial volume.

Carefully place the irregular object in the water and ensure it is fully submerged.

Record the new water level in the measuring cylinder, which represents the final volume.

Determine the volume of the object by subtracting the initial volume from the final volume:

$V_{object} = V_{final} - V_{initial}$

Use the formula for density:

$\text{Density} = \frac{\text{mass}}{\text{volume}}$ Substitute the measured mass and calculated volume into the formula.