Aai spres
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Technology, Innovation and Technology, Innovation and Project-BasedProject-Based
Learning in Science at St. Learning in Science at St. Gregory SchoolGregory School
Scott Morris, Dennis ConnerScott Morris, Dennis Conner
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Presentation PlanPresentation Plan
Brief HistoryBrief History
Significant Curricular ChangesSignificant Curricular Changes
Example of Technology Example of Technology
Project LearningProject Learning
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5 years ago…5 years ago…
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TodayToday
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Environmental Systems: Urban Environmental Systems: Urban HydrologyHydrology
Students do field based surveying of Students do field based surveying of stream channel geometrystream channel geometry
Use Google Earth to expand scale to cityUse Google Earth to expand scale to city
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““Travel” to Tucson Travel” to Tucson
Establish cross-sections Establish cross-sections
Use path and ruler tools to measureUse path and ruler tools to measure
Enter data into Excel spreadsheetEnter data into Excel spreadsheet
Look at patterns of channel geometry and Look at patterns of channel geometry and slopeslope
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Sample Excel dataSample Excel data
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Inspect relationshipsInspect relationships
Stream Geometryy = 0.0115x + 125.25
R2 = 0.6117
0
50
100
150
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0 2000 4000 6000 8000
distance D/S (ft)
ch
an
ne
l wid
th (
ft)
TV Creek
Linear (TV Creek)
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Traditional Chemistry CalculationsTraditional Chemistry Calculations
1) 1) HCO31-(aq) + H+(aq) HCO31-(aq) + H+(aq) H2O(l) + CO2(g) H2O(l) + CO2(g)Hrxn = Hrxn = Hfo (products) - Hfo (products) - Hfo (reactants)Hfo (reactants)Hrxn = (-285 kJ/mol + -395 kJ/mol) - (Hrxn = (-285 kJ/mol + -395 kJ/mol) - (-691-691 kJ/mol) kJ/mol)Hrxn = 11 kJ/molHrxn = 11 kJ/mol
2) 2) NaHCO3(s) + H+(aq) NaHCO3(s) + H+(aq) Na+(aq) + H2O(aq) + CO2(g) Na+(aq) + H2O(aq) + CO2(g)Hrxn = Hrxn = Hfo (products) - Hfo (products) - Hfo (reactants)Hfo (reactants)Hrxn = (-285 kJ/mol + -395 kJ/mol) - (Hrxn = (-285 kJ/mol + -395 kJ/mol) - (-948-948 kJ/mol) kJ/mol)Hrxn = 268 kJ/molHrxn = 268 kJ/mol
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Chemistry: Reaction InsightChemistry: Reaction Insight
Monitor reactions with probesMonitor reactions with probes
Example: NaHCOExample: NaHCO33 + CH + CH33COOHCOOH
Watch changes in pH and temperatureWatch changes in pH and temperature
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pHpH
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TemperatureTemperature
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The Project-Based The Project-Based Learning Laboratory:Learning Laboratory:
Technology Innovations: Design Technology Innovations: Design & Build& Build
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AssumptionsAssumptionsChoosing individual projects would provide motivation.Choosing individual projects would provide motivation.There are no grades. It is Pass / Fail.There are no grades. It is Pass / Fail.
Choosing individual projects will force each person to become Choosing individual projects will force each person to become an expert in something unique.an expert in something unique.Students will become teachers.Students will become teachers.The teacher is no longer the expert, they are just a guide.The teacher is no longer the expert, they are just a guide.
Students will share and help others if asked.Students will share and help others if asked.In class, students teach other specific skills.In class, students teach other specific skills.Students post blogs as how-to guides on their project.Students post blogs as how-to guides on their project.
Learning is best facilitated as teachers and doers instead of Learning is best facilitated as teachers and doers instead of listeners.listeners.
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Trebuchet Video
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