Floating and sinking — KCSE Physics
KCSE Physics · 107 practice questions · 6 syllabus objectives
What You'll Learn
Key learning outcomes for this topic, aligned to the KNEC KCSE syllabus.
State and verify Archimedes' principle experimentally
State the law of flotation and define relative density
Describe applications of Archimedes' principle and solve numerical problems
Determine relative density of solids and liquids using Archimedes' principle and density bottles
Describe the structure, calibration and uses of a hydrometer
Explain floating and sinking in terms of density and upthrust; solve numerical problems
Sample Questions
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State the law of flotation and explain its significance for large vessels. (4 marks)
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Define relative density in the context of objects floating in seawater. (3 marks)
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Name the principle that explains why ships float on water. (2 marks)
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State two reasons why a solid with a relative density less than 1 will float in water. (2 marks) (b) Describe how you would use Archimedes' principle to determine the relative density of a liquid. (2 marks)
Why Practise Floating and sinking?
KNEC Aligned
Questions match the KCSE syllabus objectives and exam format exactly.
Detailed Marking Schemes
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