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How Technology Can Help Your Students Build a Deeper Understanding of the Subject and Enjoy Learning Physics By Dr. Marina Milner-Bolotin Department of Physics and Astronomy University of British Columbia
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You cannot teach a man anything, you can only help him to find it within himself. Galileo Galilei
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Inquiry-Based Physics Teaching Applications: Problem solving, everyday life uses, new predictions Prediction IF-THEN Unsuccessful Observational experiments Physical model Testing Experiment Successful
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Technology – What is it Good for? Enhanced Experiments MBL Video Visualization Simulations WWW Dialogue Beyond the Classroom Interactive Lessons Lectures Problem Solving Is it all? What else?
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Physics Problem Data-Bases Mastering Physics (Free with Knight Textbook purchase – or $28 per semester per student): www.masteringphysics.comwww.masteringphysics.com The University of TX Database – Free Database (The Department and the students pay) www.webassign.comwww.webassign.com Many other databases – some are free
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Interactive Problem-Solving - MP
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Online Resources - ActivPhysics Physics problem solving: simulations, advice, strategies, graphs, diagrams, charts, interactive problems…
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Technology and Multiple Representations 1 - i 1 R 1 - i 3 R 3 = 0 2 - i 2 R 2 - i 3 R 3 = 0 i 1 + i 2 = i 3 i 1 i 2 i 3 R 1 R 2 R 3 11 22 ActivPhysics helps students create and connect different representations
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ActivPhysics Students visualize a problem, build energy bar charts, solve it, make and test predictions…
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Peer Response Systems Systems which allow students answer multiple choice questions and transmit their answer to instructor’s computer The answers can be displayed during the lesson and analyzed later There are many different systems available –PRS – EduCue – Addison Wesley http://www.aw- bc.com/catalog/academic/product/0,1144,0321267354- DS,00.htmlhttp://www.aw- bc.com/catalog/academic/product/0,1144,0321267354- DS,00.html
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Peer Response System
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Interactive Lectures – Using PRS A sample starts with 1000 radioactive atoms. How many half-lives have elapsed when 750 atoms have decayed? 1. 0.25 2. 0.75 3. 1.5 4. 2.0 5. 2.5
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PRS: Who Does More Work? 1.Bob 2.Joe 3.Both did the same amount of work Both men pick up the barrels with const speed Assume the rolling friction is very small
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PRS: Applying Gauss’s Law These are two-dimensional cross sections through three- dimensional closed spheres and a cube. Rank order, from largest to smallest, the electric fluxes a to e through surfaces a to e. 1. Φ a > Φ c > Φ b > Φ d > Φ e 2. Φ b = Φ e > Φ a = Φ c = Φ d 3. Φ e > Φ d > Φ b > Φ c > Φ a 4. Φ b > Φ a > Φ c > Φ e > Φ d 5. Φ d = Φ e > Φ c > Φ a = Φ b
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Immediate Feedback: PRS Results Instructor and students get immediate feedback on the material comprehension. Large lecture becomes interactive
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Enhanced Experimentation - MBL Exploring the meaning of the area and slopes of graphs in 1-D Kinematics Using available equipment, design an experiment which will test the model of 1- D motion
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Enhanced Experimentation - Video
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Dialogue Beyond the Classroom Discussion on problem solving via the interactive software – MP, WebAssign, WebCT, Discussion Boards, etc. Getting immediate feedback on problem solving Experimenting at home with the real data collected during the class time
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Technology and Physics Teaching Technology: Is a tool and its effectiveness depends on how you use it Doesn’t replace a teacher, but it opens new opportunities Helps students to learn interactively outside of the classroom Provides opportunities for more effective data analysis (video experiments, MBL, data analysis in Excel, Graphical Analysis)
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Some Online Resources Technology Enabled Active Learning – TEAL http://web.mit.edu/giving/spectrum/winter04/teal-teaching.html http://web.mit.edu/giving/spectrum/winter04/teal-teaching.html Physics Teaching Technology Resource - Online Videos: http://www.pt3.gse.rutgers.edu/physics/frontp.html http://www.pt3.gse.rutgers.edu/physics/frontp.html Mastering Physics: www.masteringphysics.comwww.masteringphysics.com ActivPhysics: http://wps.aw.com/aw_young_physics_11http://wps.aw.com/aw_young_physics_11 Set of PRS problems: http://www.physics.ubc.ca/~milnerm/Phys_100/Conceptual_Questions.htm l http://www.physics.ubc.ca/~milnerm/Phys_100/Conceptual_Questions.htm l PRS Information: http://www.gtcocalcomp.com/index.htmhttp://www.gtcocalcomp.com/index.htm MIT – Open Courseware: (video of lectures) http://ocw.mit.edu/index.htmlhttp://ocw.mit.edu/index.html Interactive applets for teaching physics: http://www.ph.ed.ac.uk/cgi- bin/ss/mainhttp://www.ph.ed.ac.uk/cgi- bin/ss/main
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