What density means
What density means
Density is the mass per unit volume of a material. It tells us how much mass is packed into a given volume, so density is a property of the material rather than simply the size or weight of an object.
Step-by-step lessons on AQA GCSE Physics 3.1.1 Density of materials. Each one builds up to exam-style questions. Build a strong grip on equations, units and Key Stage 3 fundamentals before tackling the more demanding topics like electromagnetism, the particle model of matter and space physics.