Purpose:  To learn how to measure speed and distance.

Before the video:
        1.  The variable speed allows a plane and a train to travel the same distance in different lengths of time.
            a.  What is the relationship between distance, time, and speed?
 
 
 
 
 
 
 

    2.  As you watch the program, note the speed, acceleration, and stopping distanace of the various moving objects.   Pay attention to how and why these factors increase or decrease.  Focus on the graphs
 
 

After the video:
    3.  Speed equals distance divided by time.  If you increase or decrease one of the variables, how are the other two affected?
 
 
 
 
 
 

    4.  One graph paper construct a position-time graph for the data set on the board answer the following questions.
            a.  Is the object represented on the graph moving with constant speed or constant acceleration?
 
 
 

            b.  From the graph constructed, calculate the object's speed at three-second intervals.  Then use this information to construct a speed - time graph for the object.