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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Density

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Density

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Paper 3Theory (Core)2 marks

Understanding the principles of density and buoyancy.

Description

Density and Buoyancy

An object is placed in water. The object has a density of 0.9 g/cm³, while the density of water is 1 g/cm³.

  1. a

    Analyse Discuss whether the object will float or sink in water.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Density

Paper 3Theory (Core)3 marks

Description

Object Density Comparison

A block of wood has a density of 0.6 g/cm³ and a metal ball has a density of 7.8 g/cm³. Both are placed in water.

  1. a

    Explain What will happen to each object when placed in water?

    Aim for approximately 3 distinct marking points.

    [3]