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Jennifer Janulis ITDPT 364-006 Shannon Frye |
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Objectives:
1) The students will be able to
make a hypothesis with a prediction of how high the pendulum will swing.
2) The students will be able to
complete a graph comparing the weight of the pendulum with the height of
its swing.
3) The students will be able to
build a pendulum using the K誰ex toys.
Procedures:
1) After asking the children what
they think a pendulum is the teacher will write the actual definition on
the chalkboard: A mass hung from a fixed point so that it is free to swing.
2) After giving the definition the teacher will ask the children for examples of pendulums. Their answers will be written on the board beneath the definition. Expected answers include clocks, rope swings...etc.
3) The teacher will then introduce the K誰ex toys to the children and allow them at least 10 minutes to "play" with them.
4) An example of a pendulum that the teacher made will be shown (see photo). The children will then build their own pendulums in groups of 2 or 3.
5) The teacher will show the children how to add weight (white K誰ex pieces).
6) The teacher will then ask the students what a hypothesis is: An educated guess.
7) The children will then formulate their own "educated guess" answering the question--Will the weight of the pendulum affect the distance of its swing?
8) The students will then be given at least 20 minutes to experiment and do at least 3 trials with the pendulum comparing height to weight.
9) The students will then graph their results on the supplied graph paper. This can be assigned as homework.
Evaluation:
The children will have met the objectives
if they make a hypothesis (does not have to be correct), construct a workable
pendulum using K誰ex, and successfully graphed the results of the trials.
Follow-up Lesson:
The students will take a trip to
the Science and Industry Museum in Chicago or to the Indiana State Museum
to see the large pendulums that are displayed there. They will also
be able to see and explore the interactive science exhibit called K'NEXploration.
Check out the website for more information.
Resources:
Teacher痴 Guide for Pendulums:
Investigation with Swinging Objects. Webster Division, Mc-Graw-Hill
Book Company, 1976.
Discover Science. Scott, Foresman,
and Company, 1991.
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