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Measuring Motion Review Chapter 1 Section 1

Measuring Motion Review Chapter 1 Section 1. 1. What is a reference point?. A. A measurement for speed B. A measurement for velocity C. A stationary or moving object used to determine motion D. A book in the library. ANSWER. C. A stationary or moving object used to determine motion.

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Measuring Motion Review Chapter 1 Section 1

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  1. Measuring Motion ReviewChapter 1 Section 1

  2. 1. What is a reference point? • A. A measurement for speed • B. A measurement for velocity • C. A stationary or moving object used to determine motion • D. A book in the library

  3. ANSWER • C. A stationary or moving object used to determine motion

  4. 2. Speed is… • A. NASCAR • B. The distance an object travels over time • C. A change in position relative to a reference point • D. The speed of an object in a certain direction

  5. ANSWER • B. The distance an object travels over time

  6. 3. Acceleration is… • A. A change in position relative to a reference point • B. The distance an object moved over the time in which the motion took place • C. The speed of an object in a certain direction • D. The rate of velocity change over time

  7. ANSWER • D. The rate of velocity change over time

  8. 4. Kira jogs to a store 72 m away in a time of 36 seconds. What is Kira’s average speed? • A. 5 m/s • B. 3 m/s • C. 2 m/s • D. 2 km/h

  9. ANSWER • C. 2 m/s

  10. 5. An airplane traveling from San Diego to Chicago travels 1,260 km in 3.5 h. What is the plane’s average speed? • A. 280 m/s • B. 360 m/s • C. 400 mph • D. 360 km/h

  11. ANSWER • D. 360 km/h

  12. 6. If you slow down on your bicycle, you accelerate. • A. True • B. False

  13. ANSWER • A. True

  14. 7. If you ride your bicycle at a constant speed, you cannot accelerate. • A. True • B. False

  15. ANSWER • A. False

  16. 8. Changing the speed and changing the direction of your bicycle are both examples of acceleration. • A. True • B. False

  17. ANSWER • A. True

  18. 9. Which of the following would be the best reference point to describe the motion of a dog? • A. Another dog running • B. A tree • C. Jeff Gordon driving his NASCAR • D. Mr. Ross jogging on the sidewalk

  19. ANSWER • B. A tree

  20. 10. What is your average speed if you take .5 hours to jog 4,000 meters? • A. 4,000 m/h • B. 8,000 m/h • C. 3,000 m/h • D. 2,000 m/h

  21. ANSWER • B. 8,000 m/h

  22. 11. If the average speed of a car is 110 km/h, how long will it take the car to travel 715 km? • A. 6.5 h • B. 7.2 h • C. 8 h • D. 3 minutes

  23. ANSWER • A. 6.5 h

  24. 12. What is the difference between speed and velocity? • A. Speed is the rate of change. • B. Velocity is speed in a certain direction. • C. Speed is velocity is a certain direction. • D. They are the same thing!

  25. ANSWER • B. Velocity is speed in a certain direction.

  26. 13. What are two variables needed to show acceleration on a graph? • A. Motion change vs. time • B. Distance change vs. time • C. Speed change vs. time • D. Velocity change vs. time

  27. ANSWER • D. Velocity change vs. time

  28. 14. The unit for acceleration is… • A. Meters/second • B. Meters/hour • C. Meters/second/meters • D. Meters/second/second

  29. ANSWER • D. Meters/second/second

  30. 15. Motion is… • A. Change in position relative to a reference point. • B. The distance an object moved over the time in which the motion took place • C. The speed of an object in a certain direction • D. The rate of velocity change over time

  31. Answer • A. Change in position relative to a reference point.

  32. The quiz is on Tuesday! • Make sure you are prepared! • This PowerPoint can be found on • Mr. C’s website: frost.sd54.org/mrcscience

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