STEM Conference August 15, 2011
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Transcript of STEM Conference August 15, 2011
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STEM Activities for the Secondary
Classroom
STEM ConferenceAugust 15, 2011
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STEM Activities for the
Secondary ClassroomMr. Jason Dietrich
Mathematics & PhysicsIllini Central High School [email protected]
Dr. Bob MannMathematics
Western Illinois [email protected]
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Mr. Jason B. Dietrich
• College Education– Bachelor of Science Degrees
• Civil Engineering (UIUC 1991)• Electrical Engineering (Iowa State 1994)
– Masters Degree• Education (UIUC 2002)
– Additional Coursework• U of MN (Multiple Processor Computer Architecture)• EIU (Physics Renewable Energy)• ISU (Insurance Course)• WIU (Scientific Computing / Secondary Math Resources)
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Mr. Jason B. Dietrich• Engineering Experience– Parametric Engineer (Micron Semiconductor)
• HP 4145 Parametric Analyzer• Keithley Capacitance Meter• National Instruments LabView Software
– Test Engineer (emd/Benchmark Electronics)• HP 16550B Logic Analyzer• Stratus RISC Computers
– Professional License (E.I.T.)• State of Illinois #061-023968 (Oct. 1991)
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• Industrial Experience– Engineering Technician
(Huchinson Technologies)• GE 90/30 PLC Ladder Logic
Programming• Lumonics 702JK Series Laser
measurements– Electrician (Mueller Company)
• Installation and Maintenance of 220-480 VAC 3-Phase motors, electrical equipment, relays, switches, conduit, and fuses
• Installation of Allen-Bradley SLC 150 Programmable Controllers in Brass Foundry
Mr. Jason B. Dietrich
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Mr. Jason B. Dietrich• Educational Experience– High School Teaching
• Beardstown High School• Virginia High School• Illini Central High School
– Courses Taught• Algebra 1, Algebra 2, Pre-Calculus, AP Calculus AB, AP
Physics B– Sponsorships
• ISU CeMaST Math & Science Symposium, WYSE, ICTM, Rube Goldberg (EOH UIUC), Scholastic Bowl, Bridge Competitions (Bradley Bridge Pals/ISPE Competitions), Real World Design Competition, Cougar News, IJAS Science Fair Competition, , Class Sponsor, Student Council
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Current ICHS Class Subjects
• Algebra 2• Pre-Calculus• AP Physics B• AP Calculus AB
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• Initial Questions:
– What is a Solar Cell ?
– How do Solar Cells work ?
– How efficient are Solar Cells?
Solar Cells : STEM Topic
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• Educational Pedagogy based upon ASEE (American Society for Engineering Education)
STEM Unit Organization
Introductory DemonstrationsLaboratory Demonstration
TI-Calculator ActivityLEGO Creation
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Solar Cell Panel used as a DC Power Source
Solar Cells : STEM Topic
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STEM Unit Organization
Lecture/Discussion
Written Assignments Web-Quest
Problem/Solution Modeling
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Sample Assignment Problem (From WebQuest)
Solar Cells : STEM Topic
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STEM Unit Organization
Laboratory–
Fully developed laboratoryExperiments highlight
fundamental ideasProvide basis for further
experimental design problems
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Short Circuit Current Measurement
Solar Cells : STEM Topic
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Short Circuit Current Circuit
Solar Cells : STEM Topic
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Output Power Measurement
Solar Cells : STEM Topic
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Output Power Circuit
Solar Cells : STEM Topic
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Data Table from Solar Cell Efficiency Lab
Solar Cells : STEM Topic
Light Source
Power In{Watts}
Power Out (max) {Watts}
Efficiency %
40 W (Inc)60 W (Inc)75 W (Inc)100 W (Inc)20 W (Flo)
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STEM Unit Organization
What can we do to improve the efficiency of a solar cell?
Design Problem –
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Sample Design Projects : Solar Tracker / Solar Elevator
Solar Cells : STEM Topic
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STEM Unit Organization
Communicate/Present Findings
Science FairsEngineering Open HouseAcademic Competitions
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STEM Days / Rube Goldberg / RWDC
Solar Cells : STEM Topic
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STEM Unit Organization
Reflection –
Evaluate Unit/Design Process Further
Questions/Discussion
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• Further Extensions:
– How do fuel cells compare to solar cells?– Do they yield better efficiencies?– What about other alternative energy cells?– Maybe wind energy?– How do they work?– What is the power in and power out?– How efficient are they? How costly?– What can be done to improve efficiency???
Solar Cells : STEM Topic
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• Further Questions:
– Are there other types of Solar Cells (multiple layer, thin film, plastic/organic)?
– How can efficiencies be improved?– How do different types of materials (compound
semiconductors/direct band gap) alter Solar Cell efficiency?
– Are there applications for Solar Cells to recover light in business/manufacturing environments?
Solar Cells : STEM Topic
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• Solar Cells– Current-Voltage Charateristics
• PEM Fuel Cells– Electrolyzer Characteristics/Efficiency– Power Supply Characteristics/Efficiency
• Wind Turbines– Power Output vs Blades (Number & Airfoil Selection)– Power Output vs Blade Pitch
• Robotic Control Systems– Solar Cells– Magnetic Fields– Light Intensity– Force – Temperature
Other classroom STEM Activities(Along ASEE organization)
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• Illinois State University CeMaST (Center for Math, Science, and Technology) Math & Science Symposium
• WYSE – Worldwide Youth in Science & Engineering (Written Examinations)• ICTM – Illinois Council of Teachers of Mathematics (Written Examinations)• Engineering Open House (UIUC) Rube Goldberg Participant – Machine
Design Competition• Bradley Bridge Pal Competition – Balsa Wood Bridge Design• ISPE Bridge Competition – Manilla File Folder Bridge Design• STEM/Solar Day – Science Exhibits (Telescope (Solar Filter), Telegraph,
Telephone, Hydrogen R/C Car, Solar Elevator, Relay circuits, Guitar Pick Up, DC Motor Circuits. LEGO NXT Mindstorm Creations
• 4-H National Youth Science Day – University based lab experiments ($900 award; I-Pad prize)
STEM Activities
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Recent Grants• WeAreTeachers.com Grant
– Provide educational experience using technology in the classroom (NXT Mindstorms Robotics Equipment)
• ComEd/NEED Project “Change the World” Grant– Provide educational experience using renewable energy
technology in the classroom (H2GO Hydrogen RC Car, Horizon PEM Fuel Cell Lab)
• Illinois Clean Energy Grant– Installation of 1kW Solar Panels– Provide educational experience using renewable energy technology in the classroom (20 W Solar Panel)– 1.7 kW Wind Turbine
(Awarded May 2011 – To Be Installed)
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2011-2012 Objectives• Emphasize STEM literacy – vocabulary.• Emphasize students to communicate
understanding.• Require students to maintain binders.• Provide students with PSAEpractice daily.• Provide WYSE/ICTM/Rube Goldberg/ISPE/Real
World Design/Bradley Bridge Pal/ISU Symposium opportunities to students.
• Use Engineering/Innovation Design Structure in forming curriculum.
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• Mathematica 8.0/8.0.1 (Including WolframAlpha)• ModelSmart 2D & 3D – Bridge Analysis• GeoGebra - Geometrical/Computational Software v.3.2.47.0• Logger Pro 3.8.4 (with Vernier Lab Quest & Emulator)• Pro/Engineer 5.0 (CreoElements) CAD (PTC Corporation)• FloEFD – Compuational Fluid Dynamics (Mentor Graphics
Corporation)• LabView – LEGO Mindstorms Robot Data Logger/Program
Editor• LEGO Digital Designer v. 4.1.7• Stellarium v.0.10.6.1• TI-84 & nSpire Emulators – (Texas Instruments Corp.)
Educational Software
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Web-Based Resources• PSAE Review Material
– www.aleks.com• LEGO NXT Mindstorms
– http://mindstorms.lego.com/en-us/Default.aspx• GeoGebra
– http://www.geogebra.org/cms/• Texas Instruments (Curriculum Materials)
– http://education.ti.com/calculators/downloads/US/Activities/• Stellarium
– http://www.stellarium.org• Vernier Curriculum Materials
– http://www.vernier.com• Mathematica Demonstrations Project
– http://demonstrations.wolfram.com/– http://www.wolframalpha.com
• 5Spice Analysis v 1.64– http://www.5spice.com/index.htm
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• TI-30XIIS Solar Scientific Calculators• TI-83/Plus Graphing Calculators• TI Sensors/Probes/CBL 2• Vernier Lab Quest
– Vernier Sensors/Probes• LEGO Mindstorms
NXT Robot– 9797 NXT Kit
• e-mail : [email protected]
Hardware Resources
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ICHS Math & Physics
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ICHS Math & Physics
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ICHS Math & Physics
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ICHS Math & Physics