Pushing the Envelope of Instructional Technology: Handheld Computers and Wireless Networks

Project Numina IIProject Numina IIProject Numina II

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Pushing the Envelope of Instructional Technology: Pushing the Envelope of Instructional Technology: Handheld Computers and Wireless NetworksHandheld Computers and Wireless Networks

Charles R. Ward Charles R. Ward Department of ChemistryDepartment of Chemistry

University of North Carolina at WilmingtonUniversity of North Carolina at Wilmington

http://aa.uncwil.edu/numinahttp://aa.uncwil.edu/numina


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Outline of PresentationOutline of Presentation

• Historical BackgroundHistorical Background

• Numina INumina I

• Brief Overview of Handheld PCBrief Overview of Handheld PC

• Classroom UseClassroom Use

• Pocket PC vs. Handheld PCPocket PC vs. Handheld PC

• Numina IINumina II

• Pocket PC ApplicationsPocket PC Applications

• ConclusionsConclusions


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History of Project Numina IHistory of Project Numina I

• Multi-disciplinary team that has been working Multi-disciplinary team that has been working together on technology projects since 1990.together on technology projects since 1990.

• The team predicted that small handheld computing The team predicted that small handheld computing platforms would be ubiquitous by 2003.platforms would be ubiquitous by 2003.

• Funding obtained from Pearson Education and Funding obtained from Pearson Education and UNCW to explore the use of handheld computer UNCW to explore the use of handheld computer technology for teaching science and mathematics.technology for teaching science and mathematics.

Departments of Mathematics Departments of Mathematics Department of Computer ScienceDepartment of Computer Science

Department of ChemistryDepartment of Chemistry


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HP Jornada 720 Handheld ComputersHP Jornada 720 Handheld Computers

• StrongArm CPU: 206 MHzStrongArm CPU: 206 MHz

• 32 MB + 48 MB of RAM32 MB + 48 MB of RAM

• WinCE (Word, Excel, PowerPoint, Explorer)WinCE (Word, Excel, PowerPoint, Explorer)

• Hyperchem, FTP, SRS (SWATT), TextbookHyperchem, FTP, SRS (SWATT), Textbook


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Cisco 340 Wireless NetworkCisco 340 Wireless Network

• 802.11b Standards-based network802.11b Standards-based network

• 150’ range around access point (indoors)150’ range around access point (indoors)

• 11 Mbps throughput11 Mbps throughput

• Wireless access throughout entire buildingWireless access throughout entire building


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Handheld Computer DistributionHandheld Computer Distribution

• Computers distributed in Computers distributed in class from cartsclass from carts

• 32 computers on each cart 32 computers on each cart with power supplieswith power supplies

• The contents of each cart The contents of each cart can be distributed and can be distributed and returned in under 6 minutesreturned in under 6 minutes


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eBook Chemistry TextbookeBook Chemistry Textbook

• Chemistry: The Central Science 8Chemistry: The Central Science 8thth Ed. Ed.

• Prentice-Hall PublishersPrentice-Hall Publishers

• HTML format – entirely editableHTML format – entirely editable


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eBook Chemistry TextbookeBook Chemistry Textbook

• Fully illustratedFully illustrated

• Recently added problems, appendices, linksRecently added problems, appendices, links

• Access to Prentice-Hall Web siteAccess to Prentice-Hall Web site


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GraphData: Graphing for Pocket ExcelGraphData: Graphing for Pocket Excel

• Pocket Excel has no graphing capabilityPocket Excel has no graphing capability

• GraphData uses data copied to the clipboard GraphData uses data copied to the clipboard from within Excelfrom within Excel

• The graphs from GraphData can be pasted into The graphs from GraphData can be pasted into Pocket WordPocket Word


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• Pen-based interfacePen-based interface

• MM+ and Semi-Empirical CalculationsMM+ and Semi-Empirical Calculations

• Standard functions for general, inorganic, and Standard functions for general, inorganic, and organic chemistryorganic chemistry

Pocket Hyperchem from HypercubePocket Hyperchem from Hypercube


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Bond angle calculation

General ChemistryGeneral Chemistry

• View and rotate molecules (pre-built)View and rotate molecules (pre-built)

• Measure bond angles and bond lengthsMeasure bond angles and bond lengths

• View molecules in different renderingsView molecules in different renderings


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Organic and Inorganic ChemistryOrganic and Inorganic Chemistry

• Build moleculesBuild molecules

• Optimize geometriesOptimize geometries

• Explore properties of moleculesExplore properties of molecules


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Organic ChemistryOrganic Chemistry

• Study the nature of the strain in methyl substituted Study the nature of the strain in methyl substituted cyclohexanescyclohexanes

mono

hexa


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Inorganic ChemistryInorganic Chemistry

• Generate the MO diagram for BFGenerate the MO diagram for BF33 and study its Lewis and study its Lewis

acid-base chemistryacid-base chemistry


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Exercise #1Exercise #1Experimental group used Hyperchem to rotate Experimental group used Hyperchem to rotate molecules and measure bond anglesmolecules and measure bond angles


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Exercise #2Exercise #2Control group used the Jornadas to view this as a Web Control group used the Jornadas to view this as a Web form in color, but with no rotation capabilityform in color, but with no rotation capability


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Sample Quiz QuestionsSample Quiz Questions


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ResultsResults

T-Test for Subtotal 1T-Test for Subtotal 1::XX1AVG1AVG = 4.3 X = 4.3 X2AVG2AVG = 3.7 = 3.7

NN11 = 65 N = 65 N22 = 49 = 49

t = 2.27 df = 112t = 2.27 df = 112p (two-tail) = p (two-tail) = 0.0250.025

VSEPR QuestionsVSEPR Questions


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Gas Law QuestionsGas Law Questions

ResultsResults


NN11 = 65 N = 65 N22 = 49 = 49

t = 2.27 df = 112t = 2.27 df = 112p (two-tail) = p (two-tail) = 0.0250.025

VSEPR QuestionsVSEPR Questions


NN11 = 65 N = 65 N22 = 49 = 49

t = -0.24 df = 112t = -0.24 df = 112p (two-tail) = p (two-tail) = 0.8100.810


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SWATT: Student Response SystemSWATT: Student Response System

• Interactive classroom questioningInteractive classroom questioning

• Completely Web-based systemCompletely Web-based system

• Student feedback is anonymousStudent feedback is anonymous

• Data are available for later analysisData are available for later analysis


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SWATT: Student Response PadSWATT: Student Response Pad

• Student view is synchronized with classroom view Student view is synchronized with classroom view through the Web-based databasethrough the Web-based database

• IP address of Jornada is used to prevent multiple IP address of Jornada is used to prevent multiple responses to the same questionresponses to the same question

• Student feedback is anonymousStudent feedback is anonymous


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SWATT: Interfaces Under DevelopmentSWATT: Interfaces Under Development

Numeric ResponseNumeric Response

Graphic ResponseGraphic Response

Confidence ResponseConfidence Response


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a)a) The concentrations of reactants The concentrations of reactants and products are equal.and products are equal.

b)b) The rates of the forward and The rates of the forward and reverse reactions are equal.reverse reactions are equal.

c)c) No more reactants are converted No more reactants are converted to products.to products.

d) The concentrations of reactants d) The concentrations of reactants and products change with time.and products change with time.

Which one of the following statements Which one of the following statements about a chemical reaction at equilibrium about a chemical reaction at equilibrium is correct?is correct?


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What is the half-life of the What is the half-life of the following first-order reaction?following first-order reaction?

a) 2 sa) 2 s b) 10 s b) 10 s

c) 5 sc) 5 s d) 20 s d) 20 s


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What is the value of the equilibrium What is the value of the equilibrium constant (K) for this reaction?constant (K) for this reaction?

a) 9.0a) 9.0 b) 1.0 b) 1.0

c) 0.90c) 0.90 d) 0.11d) 0.11


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Pros and Cons of Each PlatformPros and Cons of Each Platform

• KeyboardKeyboard

• Size & WeightSize & Weight

• Features of OSFeatures of OS

• ExpandabilityExpandability

• TFT LCD DisplayTFT LCD Display


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Pros and Cons of Each PlatformPros and Cons of Each Platform

• Handheld PC has backlit TFT displayHandheld PC has backlit TFT display

• Pocket PC has backlit / reflective TFT displayPocket PC has backlit / reflective TFT display

• Pocket PC can be viewed in direct sunlightPocket PC can be viewed in direct sunlight


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Project Numina IIProject Numina II

• Internal seed grant obtained Internal seed grant obtained to study the Pocket PC as an to study the Pocket PC as an alternative to the Handheld PC.alternative to the Handheld PC.

• Is it possible to do serious Is it possible to do serious chemistry on a Pocket PC?chemistry on a Pocket PC?

• This depends on both theThis depends on both thehardware hardware andand the software the softwarethat are available.that are available.


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Software Development for Numina IISoftware Development for Numina II

• Molecular Animator (states of matter, vapor Molecular Animator (states of matter, vapor pressure, phase diagrams, etc.)pressure, phase diagrams, etc.)

• Kinetics SimulatorKinetics Simulator

• Equilibrium SimulatorEquilibrium Simulator

• Data Analysis ModuleData Analysis Module

• Data Acquisition Software & HardwareData Acquisition Software & Hardware


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The Ultimate Device?The Ultimate Device?

• Horizontally oriented Pocket PC with Horizontally oriented Pocket PC with detachable keyboard.detachable keyboard.


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AcknowledgementsAcknowledgements

• National Science FoundationNational Science Foundation• Pearson EducationPearson Education• UNCWUNCW

• College of Arts and SciencesCollege of Arts and Sciences• Division of Academic AffairsDivision of Academic Affairs• Information Technology Systems DivisionInformation Technology Systems Division

Project FundingProject Funding


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• Department of ChemistryDepartment of Chemistry• Dr. Jimmy ReevesDr. Jimmy Reeves• Dr. David WhiteDr. David White• Dr. Barbara HeathDr. Barbara Heath• Ms. Jennifer Bishoff, Graduate StudentMs. Jennifer Bishoff, Graduate Student• Ms. Rebecca Popovec, UndergraduateMs. Rebecca Popovec, Undergraduate• Ms. Jenny Wright, UndergraduateMs. Jenny Wright, Undergraduate• Ms. Gina Taylor, UndergraduateMs. Gina Taylor, Undergraduate• Ms. Katy Magolan, UndergraduateMs. Katy Magolan, Undergraduate

CollaboratorsCollaborators


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• Mathematics and StatisticsMathematics and Statistics• Dr. Gabriel LugoDr. Gabriel Lugo• Dr. Russ HermanDr. Russ Herman• Ms. Valerie Kepley, UndergraduateMs. Valerie Kepley, Undergraduate

• Computer ScienceComputer Science• Dr. Ron VetterDr. Ron Vetter• Mr. Steve da Silva, UndergraduateMr. Steve da Silva, Undergraduate• Mr. Eli Weinstock-Herman, UndergraduateMr. Eli Weinstock-Herman, Undergraduate

CollaboratorsCollaborators


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http://aa.uncwil.edu/numinahttp://aa.uncwil.edu/numina

Pushing the Envelope of Instructional Technology: Handheld Computers and Wireless Networks

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