Density - KS3 Maths

density In practical terms, density is the weight of a substance for a specific volume The density of water is roughly 1 gram per milliliter but, this changes with

So if you have a text that is 100 words and 5 of those are your focus keyphrase, your keyphrase density is 5% We used to call it keyword density Since water's density is × 103 kgm in SI units, the relative density of a material is approximately the density of the material measured in kgm3 divided