Physical Science Ch 9 Motion

12 Questions | Total Attempts: 2548

SettingsSettingsSettings
Please wait...
Physical Science Quizzes & Trivia

This is a quiz on Chapter Nine Motion with an emphasis on Describing and Measuring Motion, Speed and Velocity and Acceleration.


Questions and Answers
  • 1. 
    When an object's distance from another object is changing.
    • A. 

      It is in motion

    • B. 

      It is speeding

    • C. 

      It has a high velocity

    • D. 

      It is acceleration

  • 2. 
    Speed equals distance divided by
    • A. 

      Time

    • B. 

      Velocity

    • C. 

      Size

    • D. 

      Motion

  • 3. 
    When you know both the speed and direction of an object's motion, you know the
    • A. 

      Average speed of the object

    • B. 

      Acceleration of the object

    • C. 

      Distance the object has traveled

    • D. 

      Velocity of the object

  • 4. 
    The rate at which velocity changes is called
    • A. 

      Instantaneous speed

    • B. 

      Direction

    • C. 

      Acceleration

    • D. 

      Motion

  • 5. 
    Which of these is an example of deceleration?
    • A. 

      A bird taking off for flight

    • B. 

      A roller coaster moving down a steep hill

    • C. 

      A car approaching a red light

    • D. 

      An airplane following a straight path

  • 6. 
    To determine the acceleration rate of an object, you must calculate the change in speed during each unit of
    • A. 

      Velocity

    • B. 

      Time

    • C. 

      Motion

    • D. 

      Deceleration

  • 7. 
    Average speed is
    • A. 

      Equivalent to velocity

    • B. 

      The rate at which an object is moving at a given instant

    • C. 

      The rate at which a slope changes

    • D. 

      The total distance traveled divided by the total time

  • 8. 
    A place or oject used for comparison to determine if something is in motion is called
    • A. 

      A position

    • B. 

      A reference point

    • C. 

      A constant

    • D. 

      Velocity

  • 9. 
    On a graph showing distance versus time, a horizontal line represents an object that is
    • A. 

      Moving at a constant speed

    • B. 

      Increasing its speed

    • C. 

      Decreasing its speed

    • D. 

      Not moving at all

  • 10. 
    Changing direction is an example of a kind of
    • A. 

      Acceleration

    • B. 

      Speed

    • C. 

      Velocity

    • D. 

      Constant rate

  • 11. 
    A bicyclist travels 30 kilometers in two hours, her average speed is
    • A. 

      30 km/h

    • B. 

      60 km/h

    • C. 

      15 km/h

    • D. 

      2 km/h

  • 12. 
    In an acceleration graph showing speed versus time, a straight line shows the acceleration is
    • A. 

      Decreasing

    • B. 

      Increasing

    • C. 

      Changing

    • D. 

      Constant

Back to Top Back to top