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Knex 78890 - Education Amusement Park Experience Teachers Guide Manual

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LESSON 9
9: P
9: P
REDICTING
REDICTING
THE
THE
P
P
ATTERN
ATTERN
OF
OF
R
R
IDES
IDES
59
Am usement Par k Ex perienc e
They ultimately trace a large circle once maximum speed is reached, but the path along which they
t
ravel is unique. Students are invited to make predictions about this path. Middle school students can
also explore other attributes of circles and continue their explorations of circular motion.
Students may come to the lesson with misconceptions about the ride such as, people with more
w
eight are put on the outside of the ride so they don’t fly out and collide with other riders. Students
can explore the truth of this statement and begin to examine the effects of centripetal force – a term
many of them have heard of, but few fully understand at this stage in their science education.
REVIEW
Your students will be more successful if they have an understanding of the following concepts and
associated vocabulary:
• Circle; area of the circle; circumference of the circle; radius of the circle.
• Rotation; Revolution.
• The motion of an object can be described by its position, direction of motion, and speed.
That motion can be measured and represented on a single graph. (NSES, 1996, p. 154.)
Teacher’s Notes
• Swing Ride building instructions (provided on the CD-ROM), include two motorized option: one
incorporating gears (Swing Ride) and one with direct drive (Swing Ride 2). Please make a note of
which version of the model is required for the various activities.
• The base of the ride will sit on sheets of butcher paper lying side by side. It is very important to note
the exact location of the base throughout the activities. Make certain that as soon as they tape the
paper together and center the ride on it, students trace an outline of the base for reference.
ACTIVITY 1: THE SPIRAL
PROCESS
Whole Class
1. Explain to the class that they will experiment with the flying swings amusement park ride.
Ask for volunteers who have ridden the swings to describe the ride. Traditionally these rides
have side-by-side, suspended swings that “fly outward” when the ride begins to turn.
2. Students will continue to make predictions and observations in this activity.
In Groups
1. Distribute the K’NEX Education materials and ask
each group to build the Swing Ride. They should
construct the version of the ride in which the red
Gear is attached directly to the motor (file name:
Swing Ride).
… 61 …


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