Chapter 2 B Investigating Motion

32 Questions | Total Attempts: 127

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Motion Quizzes & Trivia

Questions and Answers
  • 1. 
    The amount of matter in an object is its
    • A. 

      Weight

    • B. 

      Mass

    • C. 

      Volume

    • D. 

      Area

  • 2. 
    If a planet has more gravity than earth, its mass is
    • A. 

      Less than earth's mass

    • B. 

      The same as earth's mass

    • C. 

      More than earth's mass

  • 3. 
    The farther away you get from earth, the less you feel the effect of its gravity.
    • A. 

      True

    • B. 

      False

  • 4. 
    What causes an object to accelerate as it approaches the earth?
    • A. 

      Friction

    • B. 

      Gravity

  • 5. 
    Acceleration occurs when an object
    • A. 

      Goes faster

    • B. 

      Slows down

    • C. 

      Keeps a constant speed

    • D. 

      Changes direction

  • 6. 
    Friction can be reduced by adding
    • A. 

      Sand

    • B. 

      Oil

    • C. 

      Wax

    • D. 

      Wheels

  • 7. 
    The force of friction moves in the same direction as the motion of an object.
    • A. 

      True

    • B. 

      False

  • 8. 
    The force that resists the movement of one surface  past another surface is
    • A. 

      Gravity

    • B. 

      A push

    • C. 

      A pull

    • D. 

      Friction

  • 9. 
    Fingerprints help you pick up a glass by 
    • A. 

      Increasing friction between your skin and the glass

    • B. 

      Decreasing friction between your skin and the glass

  • 10. 
    Friction caused by gas molecules in the atmosphere hitting an object and slowing it down is called
    • A. 

      Streamlining

    • B. 

      Air resistance

  • 11. 
    Some ways to streamline an object  are to have
    • A. 

      Rounded edges

    • B. 

      less surface in the direction of motion

    • C. 

      A large flat area in the front

  • 12. 
    A meteorite burns up as it enters our atmosphere because of friction.
    • A. 

      True

    • B. 

      False

  • 13. 
    What is the speed of a car that travels 120 miles in 4 hours?
    • A. 

      60 miles per hour

    • B. 

      30 kilometers per hour

    • C. 

      30 miles per hour

    • D. 

      60 kilometers per hour

  • 14. 
    Forces act in pairs.
    • A. 

      True

    • B. 

      False

  • 15. 
    The opposing force to an action force is
    • A. 

      A reaction force

    • B. 

      A reverse force

  • 16. 
    What makes an object move or stop?
    • A. 

      Acceleration

    • B. 

      Inertia

    • C. 

      Force

  • 17. 
    When riding a skateboard, when you push your foot backwards against the floor, the skateboard
    • A. 

      Moves backward

    • B. 

      Moves forward

    • C. 

      Stays in place

  • 18. 
    The tendency of an object to stay still if it is at rest or to keep moving if it is moving is called
    • A. 

      Gravity

    • B. 

      Air resistance

    • C. 

      Inertia

    • D. 

      Acceleration

  • 19. 
    If you run at a speed of 5 mph, how far would you run in 3 hours?
    • A. 

      3 miles

    • B. 

      15 miles

    • C. 

      2 miles

    • D. 

      8 miles

  • 20. 
    Changing direction when you are moving changes your
    • A. 

      Speed

    • B. 

      Time

    • C. 

      Gravity

    • D. 

      Velocity

  • 21. 
    The formula for speed is
    • A. 

      Distance X time

    • B. 

      Distance / time

    • C. 

      Length X width

  • 22. 
    The force that allows a parachute to fall safely to the ground is
    • A. 

      Gravity

    • B. 

      Air resistance

    • C. 

      Streamlining

  • 23. 
    Objects of different masses pull on each other equally, and the object with less mass
    • A. 

      Moves toward the other object

    • B. 

      Moves away from the other object

    • C. 

      Stays still

  • 24. 
    An object's weight 
    • A. 

      Is the same wherever it is.

    • B. 

      Changes when gravity changes.

  • 25. 
    If your mom puts her car on cruise control and travels at a constant speed of 65 mph, her acceleration is
    • A. 

      Increasing

    • B. 

      Decreasing

    • C. 

      Zero

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