Students measure the volume and mass of water to determine its ... Explain to students that they will have to subtract the mass of an empty graduated cylinder from the mass of the cylinder and water ...

For the longest sample, which floats, students can use a pencil to gently push the sample just beneath the surface of the water to measure its full volume. Pour enough water from your cup into the ...

The graduated cylinder should always be plastic ... rinse with clean water to remove any remaining drops. Syringes measure volume only by difference. For example, in order to measure 3.5 mL ...