Units, Measurement & Working with Formulae is one of 9 topics in the Grade 10 Technical Sciences CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. Which of the following is the SI base unit for mass?
Kilogram
Gram
Newton
Litre
Answer: Kilogram — The kilogram (kg) is the SI base unit for mass, one of the seven fundamental SI units.
Easy
2. Which system of units uses the centimetre, gram and second as its base units?
The CGS system
The SI system
The imperial system
The metric-derived system
Answer: The CGS system — The CGS system uses the centimetre for length, the gram for mass, and the second for time.
Medium
3. Convert 250 cm to metres.
Answer: 2.5 — Since 1 m = 100 cm, 250 cm = 250 / 100 = 2,5 m.
