ZIMSEC O-Level Combined Science
7.3.3.5Pressure and fluid systems
Pressure and fluid systems in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic50 practice questions3 lessons
Overview
Form 4.
Learning objectives
What the syllabus expects you to be able to do.
- 7.3.3.5.1Define and calculate pressure, including pressure in fluids, and describe how it changes with depth.
- 7.3.3.5.2Describe atmospheric pressure, and build and use a simple manometer.
- 7.3.3.5.3Explain the action of a siphon and of hydraulic systems such as the car braking system and the hydraulic jack.
- 7.3.3.5.4Describe the structure and operation of a lift pump (the Blair pump) and a force pump (the bicycle pump).
Lessons
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Atmospheric pressure and its applications
30 min
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Pressure in solids and liquids
25 min
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Siphons, hydraulic systems and pumps
35 min
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Sample question
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