Homemade Water Balance

1. What is the fundamental concept about the metric system that makes it possible to measure the mass of an unknown object with water?

1mL = 1 gram









2. Any balance or scale has a maximum amount of mass it can measure. What is the maximum mass that your homemade water balance can measure?  Explain.

About 1.3 liters, because the bottle we used has a mass of 1.5 and we cut the top of the bottle.