ZIMSEC O-Level Physics
1.1Measurements
Measurements in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic48 practice questions3 lessons
Overview
Form 3.
Learning objectives
What the syllabus expects you to be able to do.
- 1.1.1Measure length, area, volume, mass, time and temperature, reading instrument scales to the nearest fraction of a division (rulers, Vernier callipers, micrometer screw gauges, balances, stop-watches, thermometers, measuring cylinders).
- 1.1.2Find the density of liquids and of regular and irregular solids by experiment, and relate density to floating and sinking.
- 1.1.3Express quantities in SI units.
- 1.1.4Derive units such as the newton, joule, watt and volt from the base units.
Lessons
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Density and floating
10 min
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Measuring length, volume and time
30 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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