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2.1.2a Particle structure and motion in solids, liquids and gases

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Question 20

A student prepares a suspension of tiny pollen grains in water and observes them using a high-magnification microscope.

a.

Describe briefly what is seen when the pollen grains are viewed through the microscope.

[2]
b.

State the name given to the observed motion.

[1]
c.

Explain what deductions about the properties and behaviour of water molecules can be made from these observations.

[3]
Markscheme

2.1.2a Particle structure and motion in solids, liquids and gases Questions

  1. IGCSE
  2. /Physics
  3. /2.1.2a Particle structure and motion in solids, liquids and gases

151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.

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