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Knex 78890 - Education Amusement Park Experience Teachers Guide Manual

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LESSON 10
10: I
10: I
NVESTIGATING
NVESTIGATING
THE
THE
P
P
ERIOD
ERIOD
OF
OF
A
A
P
P
ENDULUM
ENDULUM
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7. Changing the release height:
a. Remove the mass from the ship.
b
. Change the release height of the ship so that it is half as high as it was before.
c. Repeat steps 4b-4d above.
d. Repeat the investigation once more with a release height that is one half as high as that used in
step 7b.
e. Write a paragraph about what happens to the period of the pendulum when the release height
of the ship is changed.
Whole Class
8. Review the class results and discuss their findings regarding the period when:
a. The length of the Rod supporting the Pirate Ship gets shorter.
b. Mass is added to the ship.
c. The release height is changed.
REVIEW
• After completing these activities, the teacher can review the effect of mass on the movement of the
pendulum.
ASSESSMENT
• Predictions recorded in science notebooks/journals.
• Participation in the class discussion of the questions.
WEB SITES
http://www.physicsclassroom.com/mmedia/energy/pe.html
This site shows an animation of a swinging pendulum and how kinetic and potential energy change as
it swings.
http://www.learner.org/exhibits/parkphysics/pendulum.html
A helpful web site that answers many questions about the “Pirate Ship” ride in amusement parks.
… 72 …


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