Density is a measure of how compact the particles are in a substance. Density is defined as the mass per unit volume.
What is Density
Density is a measure of how compact the particles are in a substance. Density is defined as the mass per unit volume. It is mathematically defined as mass divided by volume: ρ = m/V. The density(ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) Of the substance.
Density equation
To calculate Density we use this equation.
${\rho} = {\text{m} \over\text{V}}$
Density demo
In this tutorial you will learn how to calculate the density of different substances.
Chilled practice question
A block has a mass of 20 Kg and a volume of 0.25 m3. Calculate its density.
Frozen practice question
A barrel has a mass of 2500 g and a density of 2 Kg/m3. Calculate the barrels volume.
Science in context
Density is a measure of how compact the particles are in a substance.
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