This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 9 Motion And Time – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 9 Motion And Time Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following will produce severe burns? A) Cold water. B) Hot water. C) Boiling water. D) Steam. Show Answer Correct Answer: D) Steam. 2. Describe how to graph motion on a distance-time graph. A) Graph motion by plotting distance on the y-axis and time on the x-axis, connecting points to show speed. B) Use a bar graph to represent distance over time. C) Connect points with a straight line regardless of speed changes. D) Plot time on the y-axis and distance on the x-axis. Show Answer Correct Answer: A) Graph motion by plotting distance on the y-axis and time on the x-axis, connecting points to show speed. 3. A ..... is one billionth of a second. A) Second. B) Microsecond. C) Nanosecond. D) Minute. Show Answer Correct Answer: C) Nanosecond. 4. On which axis does the time variable exist on the graph? A) Y-axis. B) X-axis. C) On any axis. D) Depends on the data. Show Answer Correct Answer: B) X-axis. 5. A car moves at the speed of 60km/hr for 15min. The distance covered by the car is A) 22km. B) 15km. C) 60km. D) 30km. Show Answer Correct Answer: B) 15km. 6. The metallic ball at the end of pendulem is called as ..... A) Blob. B) Bob. C) Metal ball. D) Sphere. Show Answer Correct Answer: B) Bob. 7. An object moves to and fro about its position of rest.what type of motion is this? A) Uniform motion. B) Oscillation. C) Acceleration. D) None of the above. Show Answer Correct Answer: B) Oscillation. 8. Can be measured in meters (m), kilometers (km), centimeters (cm), etc ..... A) Time. B) Distance. C) Acceleration. D) Speed. Show Answer Correct Answer: B) Distance. 9. If distance is in km and time is in hr, the speed is in A) M/s. B) Km/hr. C) Km/s. D) M/hr. Show Answer Correct Answer: B) Km/hr. 10. Years = ..... centuries A) 10. B) 100. C) 1000. D) 10, 000. Show Answer Correct Answer: B) 100. 11. The electric current in the circuit always flows from ..... terminal of the cell to the ..... terminal. A) Positive, negative. B) Negative, positive. C) Positive, positive. D) Negative, negative. Show Answer Correct Answer: A) Positive, negative. 12. What is speed? A) Distance covered per unit area. B) Distance covered per unit weight. C) Distance covered per unit time. D) Distance covered per unit length. Show Answer Correct Answer: C) Distance covered per unit time. 13. A motion in a straight line in a fixed direction represents a A) Circular motion. B) Uniform motion. C) Non-uniform motion. D) Periodic motion. Show Answer Correct Answer: B) Uniform motion. 14. What is time period? A) The time period is the same everywhere. B) The time taken by the pendulum to complete one oscillation. C) A period when a pendulum clock is working. D) The time taken by the pendulum to complete ten oscillations. Show Answer Correct Answer: B) The time taken by the pendulum to complete one oscillation. 15. Motion of objects can be presented in ..... form by their distance-time graphs A) Pictorial. B) Pi chart. C) Circular. D) None. Show Answer Correct Answer: A) Pictorial. 16. A bus takes 30 minutes to cover a distance of 18 km. Calculate it's speed in km/h. A) 36km/h. B) 10km/h. C) 20km/h. D) 37km / h. Show Answer Correct Answer: A) 36km/h. 17. Which of the following represents a velocity? A) 40 m. B) 40 m north. C) 40 m/s. D) 40 m/s north. Show Answer Correct Answer: D) 40 m/s north. 18. A body is moving along acircular track covering one complete round of 60m in 10 sec. Its average speed is A) 10 m/s. B) 3 m/s. C) 6 m/s. D) 10 m. Show Answer Correct Answer: C) 6 m/s. 19. A simple pendulum executes a A) Periodic motion. B) Oscillatory motion. C) Both a and b. D) None of these. Show Answer Correct Answer: C) Both a and b. 20. A month was measured as the time between the slighting of one new moon and the next. True or False A) True. B) False. C) Other options. D) None of the above. Show Answer Correct Answer: A) True. 21. Which of these is not a standard unit? A) Second. B) Meter. C) Hand Span. D) Gram. Show Answer Correct Answer: C) Hand Span. 22. Device to measure speed A) Pedometer. B) Odometer. C) Speedometer. D) No idea:(. Show Answer Correct Answer: C) Speedometer. 23. What is the function of odometre A) To measure speed. B) To measure time. C) To record time. D) To record distance. Show Answer Correct Answer: D) To record distance. 24. What is common in the following? Motion of the propeller of a flying helicopter, the hands of a watch, motion of a gaint-wheel. A) All are examples of rotatory motion. B) 1 & 3. C) All are examples of translatory motion. D) All are examples of oscillatory motion. Show Answer Correct Answer: A) All are examples of rotatory motion. 25. Who was the italian astronomer who prove that motion of pendulum is periodic A) Sir isaac newton. B) Galileo Galilei. C) Mr charles. D) Mr boil. Show Answer Correct Answer: B) Galileo Galilei. ← 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 9Class 7 Science Chapter 9 Motion And Time Quiz 10Class 7 Science Chapter 9 Motion And Time Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books