Amount of Water (mL) Trial 1 (s) Trial 2 (s) Trial 3 (s) Trial 4 (s) Trial 5 (s) Average (s) Uncertainty ± 0.387 s ± 0.387 s ± 0.387 s ± 0.387 s ± 0.387 s ± 0.387 s ± (s) 50 3.72 3.58 2.79 3.56 3.43 3.42 0.465 100 2.38 2.64 2.79 2.88 3.11 2.76 0.365 150 3.91 3.07 2.97 3.13 2.91 3.2 0.5 200 3.35 3.13 3.37 2.98 3.25 3.22 0.195 250 4.07 3.58 3.58 3.13 3.14 3.5 0.47 300 3.31 3.52 3.25 3.14 3.34 3.31 0.19 350 3.38 3.15 3.15 3.37 3.17 3.24 0.115 400 3.17 3.13 2.93 3.26 3.12 3.12 0.165 450 3.17 3.12 3.19 3.11 3.29 3.18 0.09 500 2.99 2.73 2.98 2.96 3.31 3 0.29