final kristion matas exit project 8th grade
TRANSCRIPT
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NYC Grade 8Graduation Requirement
Science EXIT Project
Kristion Matas80C
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Recyclable energy
A Controlled
experiment
Title
by Kristion Matas80C
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Choose Your Project Type:Secondary Research, Controlled Experiment, or Design Project
My Project Type is: controlledexperiment
My topic and Unit are:engineering andmodeling in earthscience
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Purpose
*The purpose of this investigation was tosee how different wind speeds affect theenergy absorbed by a windmill
*I became interested in this idea because
we know wind mills need wind toproduce energy but we dont know what
their speeds have to do with it.
*The information gained from thisexperiment could be used to determinedwhere wind mills should most likely beplaced and to show the significant
amount of energy a wind mill can
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Investigation Question
How does wind speeds(mph)
affect the energy(watts)
absorbed by a windmill?
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Background Research
My investigation involvesthe following science
vocabulary terms:
The vocabulary terms relate to myinvestigation because.
Wind mill A widget used to turn wind intoenergy
anemometer Used to measure wind speeds
(mph)
Mechanical/electrical energy
The type of energy producedby windmills
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Background Research
Wind speeds aremeasured byanemometer
When the windblows, it pushesagainst the bladesof the wind turbine,
making them spin.They power agenerator toproduce electricity.
The more the windis blown the morethe blades move
making the shaftsinside the windmillspin , producingenergy.
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Background ResearchHow does it work?
The wind blows ,andthe blades turn, asthe blades turn, it
moves the shaftsinside of it . Then theshafts turn the tip ofthe motor . As the tip
of the motor turns itcreates energy insidethe motor.
Then as the energyis inside the motor itbounces of twomagnets , turninginto electricity then ittravels down thewires lighting the led
light.(if the energyabsorbed is morethan 30 milli-wattsthen and only then
the led light will
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Hypothesis
If the wind speeds rise then moreenergy is absorbed because themore the wind blows, the blades
continue to move ,making theshafts spin and when the shaftsspin energy is produced.
.
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Identifying Variables
I.V. My I.V is wind speeds
D.V.* My D.V is energy
D.V.
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IDD Investigation Design DiagramQuestion: how does wind speeds affect the amount of energy absorbed by a smallwindmillHypothesis: the higher the wind speeds the move energy is absorbed?
I.V.Wind speeds
Trials
*
1 2 3 4
Levels
of
I.V
.** 5mph 10mph 20mph 35mph
D.V. is the energy absorbed( milli-watts )
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Procedure
Watch the newseach day for thewind speeds
Set wind milloutside and recordenergy absorbedon a bar graph
Continue processfor a series of days
Analyzeinformation gained
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Data Table
I.VWINDSPEEDS(MPH)
5MPH 10MPH 20MPH 35MPH
D.VENERGYABOSRED(WATTS)
0 Milli-watts 12Milli-WATTS 30Milli-watts 60Milli-watts
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Graph
30 milli-watts
Milli-Watts
10
20
30
40
50
60
Miles Per Hour
0mph 10mph 20mph 35mph
12milli-watts
60 milli-watts
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Results
From the results shown in my bargraph it is proven that the higher thewind speeds , more energy is
absorbed by a windmill.
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DSET
How do wind speeds affect the energy absorbed by a windmill?
I did several experiments to see how the I.V Affects the D. V
The higher the wind speeds themore energy is absorbed by awindmill.
When wind speeds where 10mph theenergy absorbed was 12 milli-watts,then from there as the wind speedsincreased so did the energyabsorbed
My claim is that the higher the wind speeds the more energy isabsorbed by a windmill, because during an experiment it is shown thatas the wind speeds increased so did the energy absorbed by the windmill.
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Conclusion
a. My claim is that the higher the windspeeds the more energy isabsorbed by a windmill, because
during an experiment it is shownthat as the wind speeds increasedso did the energy absorbed by the
wind mill.
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Conclusion
b. From the results found, myhypothesis was indeed correct .
c. During this experiment when a trialof 20mph was being done thewindmill fell and absorbed 5 milli-watts.( This trial was thrown out )
d. .
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Conclusion
d. If I were to do this experiment again Iwould do it out on a open field and Iwould take in the amount of trees
into affect , to see if that would affectthe results.
e. If I could investigate farther I would
do an experiment on the questionhow does trees affect wind speeds .
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Literature Cited
/www.need.org/needpdf/infobook_activities/IntInfo/WindI.pdf
Blue earth science text book
Green science projects booklet
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Stages of the projectStep 1:building a windmill generator Step 2:completing the windmill generator
Doing the experiment
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Science Exit Project Grading Rubric
PowerPoint Presentation
Project Section Score (0-3) Weight Weighted Score
A. Question x 1 =
B. Hypothesis x 2 =
C. Background Research x 2 =
D. Investigation Design (ID) x 2 =
E. Procedure x 1 =
F. Data/Results x 3 =
G. Discussion/Conclusion x 4 =
H. Literature cited x 2 =
I. Presentation x 3 =
Total weighted score(60 max) =
Final Score (%) = Totalweighted score/60 x 100 = %