ZIMSEC O-Level Combined Science
7.3.2.1Measuring physical quantities
Measuring physical quantities in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic42 practice questions3 lessons
Overview
Forms 1 to 4.
Learning objectives
What the syllabus expects you to be able to do.
- 7.3.2.1.1Estimate and measure length, mass, time and temperature with suitable instruments, reading scales to the nearest division.
- 7.3.2.1.2Identify parallax and zero errors.
- 7.3.2.1.3Use SI units and prefixes, convert between units, and express derived units in terms of base units.
- 7.3.2.1.4Measure the volume and thickness of small and irregular objects, including with vernier callipers and a micrometer screw gauge.
Lessons
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Measuring length, volume and time
30 min
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Measuring temperature: thermometers
22 min
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SI units, prefixes and derived units
25 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
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