Year 10 maths · D.1 · Science Calculations: Density and Speed
Density calculations
Density = mass ÷ volume.
See worked examples
A block of iron has a mass of 55.3 g and a volume of 7 cm³. What is its density in g/cm³?
Answer: 7.9 g/cm³
A block of lead has a mass of 101.7 g and a volume of 9 cm³. What is its density in g/cm³?
Answer: 11.3 g/cm³
A block of ice has a mass of 6.3 g and a volume of 7 cm³. What is its density in g/cm³?
Answer: 0.9 g/cm³
Tip: Density = mass ÷ volume.
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