This packet works well as an introduction to length, mass, volume, and density and includes three simple physical science labs that can each be completed in one class period. They require very little "set-up" but are always enjoyed by my students. Included in the packet:1. A foldable on Mass, Volume, Weight, and Density2. Measuring Length Lab3. Measuring Volume Lab4. Mass and Density LabTpT Digital Activities Pages Now Available?Set up is easy and either free or inexpensive. The Mass and D