Question Paper
Class / Subject: Class 8 (ICSE) · Science
Chapter: Chapter 2 — Chapter 2: Physical Quantities and Measurement
Time Allowed: 32 minutes
Max Marks: 16
1. What is the SI unit of length? [1]
(A) Metre
(B) Kilogram
(C) Second
(D) Litre
2. What is the SI unit of mass? [1]
(A) Kilogram
(B) Metre
(C) Second
(D) Litre
3. What instrument gives precise length measurements? [1]
(A) Vernier callipers
(B) A basic ruler only
(C) A thermometer
(D) A scale for weight only
4. What is a screw gauge used for? [1]
(A) Precise small measurements
(B) Measuring temperature
(C) Measuring time
(D) Measuring mass only
5. What do significant figures show? [1]
(A) The precision of a measurement
(B) The colour of an object
(C) The weight of an object
(D) Nothing useful
6. Why is accurate measurement important? [1]
(A) For replicable, trustworthy experiments
(B) No reason
(C) It's not important
(D) Only for decoration
7. What forms the global measurement standard? [1]
(A) The SI system
(B) Random local units
(C) No standard exists
(D) Only imperial units
8. Why learn about measurement precision? [1]
(A) To ensure scientific accuracy
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is the SI unit of length? [1]
(A) Metre
(B) Kilogram
(C) Second
(D) Litre
10. What is the SI unit of mass? [1]
(A) Kilogram
(B) Metre
(C) Second
(D) Litre
11. What instrument gives precise length measurements? [1]
(A) Vernier callipers
(B) A basic ruler only
(C) A thermometer
(D) A scale for weight only
12. What is a screw gauge used for? [1]
(A) Precise small measurements
(B) Measuring temperature
(C) Measuring time
(D) Measuring mass only
13. What do significant figures show? [1]
(A) The precision of a measurement
(B) The colour of an object
(C) The weight of an object
(D) Nothing useful
14. Why is accurate measurement important? [1]
(A) For replicable, trustworthy experiments
(B) No reason
(C) It's not important
(D) Only for decoration
15. What forms the global measurement standard? [1]
(A) The SI system
(B) Random local units
(C) No standard exists
(D) Only imperial units
16. Why learn about measurement precision? [1]
(A) To ensure scientific accuracy
(B) No reason
(C) It's not useful
(D) Only for tests