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Exam-style practice

Diffusion answer explanations

Review worked answers and explanations for Diffusion. Aligned to Cambridge IGCSE Combined Science.

Answer explanations

Question 1 of 8

Review the answer support, then move sideways through the set.

Paper 3 structured question: Diffusion

Paper 3Theory (Core)2 marks

Description

Diffusion of Food Coloring in Water

When a drop of food coloring is added to a glass of water, it spreads out over time until the color is evenly distributed throughout the water.

  1. a

    Describe the process of diffusion observed in this experiment.

    [2]