This activity allows for students to practice measuring items in both metric and non-metric units to compare them using 3 devices: the meter stick, the graduated cylinder, and the scale. Many objects and aspects of the room are measured, and their is a focus on metric versus non-metric units to compare them when using the meter stick, as it should have inches on one side and centimeters on the other. The graduated cylinder portion focuses on measuring both the initial amount and a chang