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Science -quiz

10 Questions
Science -quiz

Please answer each question with the best possible answer.

Questions and Answers
  • 1. 
    An object accelerates at 3 meters per second2 when a 10-newton (N) force is applied to it. Which force would cause this object to accelerate at 6 meters per second?2
    • A. 

      5 N

    • B. 

      10 N

    • C. 

      20 N

    • D. 

      30 N

  • 2. 
    Which statement best describes the energy changes that occur while a child is riding on a sled down a steep, snow-covered hill?
    • A. 

      Kinetic energy decreases and potential energy increases.

    • B. 

      Kinetic energy increases and potential energy decreases.

    • C. 

      Both potential energy and kinetic energy decrease.

    • D. 

      Both potential energy and kinetic energy increase.

  • 3. 
    Below is a diagram of a spinning water sprinkler. Water comes through the hose and is sprayed by the sprinkler. Which principle best explains why the sprinkler spins?
    • A. 

      Every action has an equal and opposite reaction.

    • B. 

      Solid substances are usually more dense than liquid substances.

    • C. 

      Energy is released when water condenses.

    • D. 

      Most substances expand when heated and contract when cooled.

  • 4. 
    If A represents the point that is zero and the block is dropped, what is its final position at point B?                         A____
                                          0.5M     ____________B__________             
    • A. 

      0.5 M

    • B. 

      0

    • C. 

      -0.5M

    • D. 

      .05

  • 5. 
    The gravitational force between the Moon and Earth depends on their _________ and how far apart they are.
  • 6. 
    The ability or power to do work is called_________.
  • 7. 
    Energy is found in different forms such as light, solar, sound, and motion. However, energy can be classified into two distinct categories. They are kinetic energy and ________energy.
  • 8. 
    What does the law of conservation of energy state?
  • 9. 
    Which of the following is an example of motion energy?
    • A. 

      Heat

    • B. 

      Wind

    • C. 

      Natural gas

    • D. 

      Water in a reservoir behind a dam

  • 10. 
    The bigger the unbalanced force acting on an object, the _______ the acceleration of the object.
    • A. 

      Bigger

    • B. 

      Smaller