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Knex 78890 - Education Amusement Park Experience Teachers Guide Manual

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LESSON 6
6: E
6: E
XAMINING
XAMINING
C
C
IRCULAR
IRCULAR
R
R
IDES
IDES
33
OVERVIEW FOR THE TEACHER
The Ferris Wheel and Boom Ride differ from the other devices that have been analyzed in previous
activities because of their motion. Both rides move along a constant circular path so that they provide
opportunities for students to work with the properties of one of the most basic geometric structures,
as well as with motion in a circular path.
The Ferris Wheel and Boom Ride are driven with gears. Students will have the opportunity to explore
how different gear systems impact the distance traveled by ‘riders’ and, ultimately, the speed at which
they travel. Additional mass can sometimes impact the speed of rides driven by gears and so many real
world rides have motors and gear systems that are designed to compensate for this. In addition, many
Ferris Wheel and Boom Ride operators are careful to balance their rides and in some cases do not
permit those of larger mass to ride.
Rides that move in a circular path on a vertical plane offer students an opportunity to investigate
several concepts of geometry and to understand how these concepts are integral to scientific concepts
such as distance, height, and speed. In the activities described below, students will also be asked
to graphically display the data so that it can be further analyzed. One such analysis will involve the
concept of slope as a rate of change. Students will be asked to analyze a distance-time graph, which
will be a straight line. As students determine the slope of the line, they will arrive at the speed of the
ride. The slope is essentially the rate of change of distance over time and thus is the same as speed.
The concept of distance traveled on a circular ride will also be contrasted with the height of the ride
over time. This is similar to the concept of displacement that is explored in the Scrambler activity
(Lesson 8).
As the teacher, you are the best judge of your students’ abilities and interests. Feel free to complete
this activity as described, or to complete those portions that are most appropriate for your students
and the requirements of your program of study in science, technology, or mathematics. This lesson
provides opportunities for an interdisciplinary exploration with the assistance of your teaching
colleagues.
Am usement Par k Ex perienc e
Teacher’s Notes
• One K’NEX Education Amusement Park Experience set will allow two Ferris Wheels OR two Boom
Rides OR one Ferris Wheel and one Boom Ride to be built simultaneously.
• The Building Instructions for these models are found on the CD-ROM that accompanies the set.
Students can access the instructions directly from a computer screen or from printed hard copies.
If you select hard copies for your students you will need to prepare them in advance.
• Model Information:
• Activities 1-3 require the use of motorized versions of EITHER the Ferris Wheel OR the
Boom Ride models.
• Activities 4-6 require the use of hand crank versions of EITHER the Ferris Wheel OR the
Boom Ride models.
• Allow time for students to make the necessary modifications to their models if they undertake
Activities 1-3 and Activities 4 -6.
… 35 …


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