- Density - measure of 'compactness' of substance. Relates to mass of substance to how much space it takes up. Units = kg/m(cubed) or g/cm(cubed).
- Density = Mass / Volume P = m / V
- Dense material - particles packed tightly together. Less dense material - particles more spread out - compress material & particles would move closer together - more dense. Solids denser than liquids & liquids denser than gases.
SEE PRACTICAL SHEET FOR PRACTICAL
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