BBC

Density of solids, liquids and gases

The units of density depend on the units used for mass and volume. The most commonly used units are grams per cubic centimetre (g/cm³) or kilograms per cubic metre (kg/m³). These balloons are the same ...
AZOM

Benchtop Laser-Based Scanner: Ceramscan for Density and Dimension Measurement

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BBC

Density of materials - AQA

Density describes how closely packed the particles are in a solid, liquid or gas. There is little difference between the density of a liquid and its corresponding solid (eg water and ice). This is ...
Astronomy

I’ve read Saturn has a density less than water’s. How do scientists know Saturn’s mass and volume to figure this out?

A planet’s mass and volume are easy to determine. Because planets are nearly spheres, we can calculate volume from our knowledge of a planet’s radius, which we determine by measuring both the planet’s ...