The units of density depend on the units used ... For example, wood is a solid but has a lower density than water, which is why wood generally floats on top of water. Liquid mercury has a very ...

Density in particular is an important ... We therefore still use the °C as a unit of temperature, and water still freezes at about 0°C and boils at about 100°C, although temperature scales ...

Accompanying Lesson Plan: Lesson 3.2: Finding Volume—The Water Displacement Method The chart shows that atomic size and mass for the first 20 elements in the periodic table. The size of the atoms and ...