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L
L
ESSON
ESSON
10:
10:
Investigating
the Period of
a Pendulum
Time
90 minutes (after construction of the model)
Objectives
Students will:
Explore periodic motion.
Explore and investigate the concept of the period of a pendulum.
Explain how the length of its arm affects the period of a pendulum.
Determine if a change of mass affects the period of the pendulum, as demonstrated by the
Pirate Ship Ride.
Materials
Each group will need:
Materials from 1 K’NEX Education Amusement Park Experience set
Pirate Ship Building Instructions: Page 18 or CD-ROM File: Pirate Ship
Stopwatch
Ruler
3 oz. bathroom-style paper cups (1 or 2)
Pennies or other weights
Balance
Alternate K’NEX Rods for changing the length of the arm of the ship
Books to hold the ride in place
Each student will need:
Science notebook/journal
Teacher’s Notes
The motion of the Pirate Ship ride will transfer some of its energy to the frame of the ride and cause it
to creep across the tabletop if students do not place books on the extensions provided.
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