Question Paper
Class / Subject: Class 7 (CBSE) · Science
Chapter: Chapter 8 — Chapter 8: Measurement of Time and Motion
Time Allowed: 15 minutes
Max Marks: 6
1. The standard SI unit of time is the: [1]
(A) second
(B) minute
(C) hour
(D) day
2. A pendulum's swing period mainly depends on its: [1]
(A) length
(B) weight
(C) colour
(D) material
3. Which instrument is best suited for timing a short race? [1]
(A) Stopwatch
(B) Sundial
(C) Calendar
(D) Thermometer
4. Speed is calculated as: [1]
(A) Distance ÷ Time
(B) Time ÷ Distance
(C) Distance × Time
(D) Distance + Time
5. A car travelling 120 km in 2 hours has an average speed of: [1]
(A) 60 km/h
(B) 120 km/h
(C) 240 km/h
(D) 30 km/h
6. A speedometer in a car shows: [1]
(A) instantaneous speed
(B) only average speed
(C) only distance
(D) only time