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WINDMILLS |
Objective:
The students will be able to design and conduct a scientific experiment
investigating how windmills
operate. They will be able to present the results of the experiment
with a visual model of a windmill
constructed from K'nex toys.
Materials: K'nex toys,
Wind and Water Energy by Sherry Payne, A Book of Windmills and
Wind power by Landt Dennis.
Motivation: We will take a field trip to an
area farm to observe a windmill. The students will take
notes of their observations in order to set up the experiment. The
students will observe how fast or
slow the windmill goes, what direction it rotates, and any other observations
that they notice. We
will take the information found back to the class and develop a scientific
experiment to investigate how
windmills operate.
Procedure: The students will be divided
into investigation teams of two. Their group will form a
hypothesis of how windmills operate. From the hypothesis the students
will devise a plan to to test it.
They will write out their plans step by step and begin to carry out the
plan. Their plan must include
evidence of scientific research and be derived from scientific resources.
They will then present their
findings to the class and discuss why or why not their hypotheses were
correct.
The final presentation will consist of a written
report, an oral presentation, and a finished model
windmill made from K'nex toys. They can follow the directions provided
with the K'nex
toys as a model for the construction of their group windmills.
End of Procedure:
The students will follow the written directions provided with the K'nex
toys in order to construct their model windmills. As they are building
it, they should be able to note the various parts and where they should
be located, regardless of instructions.
Evaluation: Listening to see if the students followed the steps of the scientific method are ways to tell if they understood the meaning of the project. Hearing their reports and watching them build their own windmill will also be an indicator of how successful the assignment was.