This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Convert 36 km/h into m/s A) 10km/h. B) 10m/s. C) 36 km/h. D) 36 m/s. Show Answer Correct Answer: B) 10m/s. 2. What two measurements are necessary for calculating speed? A) Distance and time. B) Mass and distance. C) Temperature and mass. D) Mass and time. Show Answer Correct Answer: A) Distance and time. 3. Which one records the distance travelled by a vehicle? A) Speedometer. B) Manometer. C) Odometer. D) Motometer. Show Answer Correct Answer: C) Odometer. 4. What is defined as the change in the position of an object with respect to a reference point over time? A) Displacement. B) Speed. C) Motion. D) Distance. Show Answer Correct Answer: C) Motion. 5. How to calculate speed? A) Distance/Time. B) Time/Distance. C) Speed/Time. D) Distance/Speed. Show Answer Correct Answer: A) Distance/Time. 6. What is the significance of a horizontal line on a distance-time graph? A) The object is moving at a constant speed. B) The object is at rest. C) The object is changing direction. D) The object is accelerating. Show Answer Correct Answer: B) The object is at rest. 7. Ram and Shyam have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed? A) They do no have equal speed. B) They have equal speed as they reach the school at the same time. C) They have equal speed as they travel different distances. D) None of the above. Show Answer Correct Answer: A) They do no have equal speed. 8. What is the significance of measuring time in experiments? A) Measuring time is significant for analyzing processes, ensuring reproducibility, and establishing cause-and-effect relationships in experiments. B) Time measurement only affects the final results. C) Time is only important for theoretical calculations. D) Measuring time is irrelevant in experiments. Show Answer Correct Answer: A) Measuring time is significant for analyzing processes, ensuring reproducibility, and establishing cause-and-effect relationships in experiments. 9. If a bicycle travels at a speed of 15 km/h for 3 hours, how far does it go? A) 30 km. B) 10 km. C) 20 km. D) 45 km. Show Answer Correct Answer: D) 45 km. 10. A worker covers a distance of 40 km from his house to his place of work, and 10 km towards his house back. Then the displacement covered by the worker in the whole trip is A) Zero km. B) 10 km. C) 30 km. D) 50 km. Show Answer Correct Answer: C) 30 km. 11. The back and forth movement of a simple pendulum is called ..... A) Mean position. B) Extreme position. C) Oscillation. D) Time period of a pendulum. Show Answer Correct Answer: C) Oscillation. 12. Which of the following is not a type of Graph. A) Pie Chart. B) Histogram. C) Bar Graph. D) Tele graph. Show Answer Correct Answer: D) Tele graph. 13. Hitting the breaks on a bike reduces your speed this is called A) Accelration. B) Deceleration. C) Slowing down. D) Velocity. Show Answer Correct Answer: B) Deceleration. 14. In a pendulum, the greater the length of the string, the ..... is the time period. A) Lesser. B) Greater. C) All the above. D) None of the above. Show Answer Correct Answer: B) Greater. 15. The correct properties of soil are: A) Soil contain air. B) Soil contains water. C) Soil can absorbs water. D) All of these. Show Answer Correct Answer: D) All of these. 16. The distance time graph for the motion of an object moving with a ..... is a straight line A) Change speed. B) Equal. C) Mass. D) Constant speed. Show Answer Correct Answer: D) Constant speed. 17. How can you identify acceleration on a graph? A) Acceleration is the area under a velocity vs. time graph. B) Acceleration can be identified by the height of a position vs. time graph. C) Acceleration is shown as a flat line on a velocity vs. time graph. D) Acceleration can be identified by the slope of a velocity vs. time graph. Show Answer Correct Answer: D) Acceleration can be identified by the slope of a velocity vs. time graph. 18. The pedal of a bicycle is in ..... Motion while working A) Circular Motion. B) Periodic motion. C) Straight line. D) Zig Zag. Show Answer Correct Answer: A) Circular Motion. 19. What is the other name for hourglass A) Water clock. B) Modern clock. C) Sand clock. D) None of the above. Show Answer Correct Answer: C) Sand clock. 20. The motion of needle in sewing machine is A) Rotataory. B) Translatory. C) Oscillatory. D) Circular. Show Answer Correct Answer: C) Oscillatory. 21. What is a Speedometer? A) It is used to measure the distance travelled in hours. B) It records the speed directly in km / h. C) It is used to measure the speed of the wind in the air. D) It records the time taken to travel a distance. Show Answer Correct Answer: B) It records the speed directly in km / h. 22. (iii) Motion of a child in a merry-go-round. A) Circular. B) Straight line. C) Oscillatory. D) None of the above. Show Answer Correct Answer: A) Circular. 23. A shadows length is the shortest at ..... A) Noon. B) Sun rise. C) Sun set. D) 4:00 pm. Show Answer Correct Answer: A) Noon. 24. The total length of the path travelled by an object between two places is called ..... A) Speed. B) Track. C) Displacement. D) Distance. Show Answer Correct Answer: D) Distance. 25. Which of the following is based on the study of the shadow cast by the sun? A) (a) Simple pendulum. B) (b) Atomic clock. C) (c) Sun dial. D) None of the above. Show Answer Correct Answer: C) (c) Sun dial. ← PreviousNext →Related QuizzesClass 7 Science Chapter 9 Motion And Time Quiz 1Class 7 Science Chapter 9 Motion And Time Quiz 2Class 7 Science Chapter 9 Motion And Time Quiz 3Class 7 Science Chapter 9 Motion And Time Quiz 4Class 7 Science Chapter 9 Motion And Time Quiz 5Class 7 Science Chapter 9 Motion And Time Quiz 6Class 7 Science Chapter 9 Motion And Time Quiz 7Class 7 Science Chapter 9 Motion And Time Quiz 8Class 7 Science Chapter 9 Motion And Time Quiz 9Class 7 Science Chapter 9 Motion And Time Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books