Science Exam 2 Quater 2021

      Choose the letter of the answer that best completes that statement or answers the questions. 1% each one.

 

  Italian scientist who studied falling objects ________________________.

•    Isaac

•   Galileo

•     Newton

      Choose the letter of the answer that best completes that statement or answers the questions. 1% each one.

    A satellite orbiting Earth moves in a ___________________ motion.

•    Friction

•    Force

•       Circular

   Choose the letter of the answer that best completes that statement or answers the questions. 1% each one.    

   An object at rest stays at rest until an unbalanced ____________________ acts in it.

•     Inertia

•    Force

•    Motion

  Choose the letter of the answer that best completes that statement or answers the questions. 1% each one.  

    Newton´s second law describes the relationship between force, mass, and _____________________.

•      Speed

•     Acceleration

•      Relative motion

Choose the letter of the answer that best completes that statement or answers the questions. 1% each one.   

  English scientist who described how things move ________________________.

•      John

•     Galileo

•      Newton

         Write the correct vocabulary word to complete each definition. 2% each one.

-Relative motion       -  Frame of reference       - Speed     - Instantaneous speed

-Speedometer               -    Velocity            -    Acceleration

  ______________________ the distance an object moves in a certain period of time.

     Write the correct vocabulary word to complete each definition. 2% each one.

-Relative motion       -  Frame of reference       - Speed     - Instantaneous speed

-Speedometer               -    Velocity            -    Acceleration

     ______________________ a measure of both the speed and direction of a moving object.

     Write the correct vocabulary word to complete each definition. 2% each one.

-Relative motion       -  Frame of reference       - Speed     - Instantaneous speed

-Speedometer               -    Velocity            -    Acceleration

   ______________________ the object an observer uses to detect motion.

     Write the correct vocabulary word to complete each definition. 2% each one.

-Relative motion       -  Frame of reference       - Speed     - Instantaneous speed

-Speedometer               -    Velocity            -    Acceleration

   ______________________ a device that shows instantaneous speed.

     Write the correct vocabulary word to complete each definition. 2% each one.

-Relative motion       -  Frame of reference       - Speed     - Instantaneous speed

-Speedometer               -    Velocity            -    Acceleration

    ______________________ the change in velocity during a particular time period.