GIREP LOGO TEACHING THE SCIENCE OF CONDENSED MATTER AND NEW MATERIALS

GIREP95 Physics Dept. Udine University GIREP




Proceedings of GIREP95

Table of contents

1. Background Aspects

1.1 Material Science and Technology

SYNCHROTRON RADIATION IN CONDENSED MATTER AND NEW MATERIALS RESEARCH: THE ROLE OF 3RD GENERATION FACILITIES 1
R. Rosei, TASC-INFM Laboratory, Department of Physics, University of Trieste (Italy) (abstract)

FROM ARTIFICIAL HIPS TO METALS WITH A MEMORY - THE EXCITING WORLD OF NEW MATERIALS 5
C. Humphreys, Department of Materials Science and Metallurgy, University of Cambridge (UK) (abstract)

CONDENSED MATTER IN THE UNIVERSE 9
G. Barbaro, Department of Astronomy, University of Padova (Italy) (abstract)

MATERIALS FOR THE FUTURE 16
E. Gariboldi, W. Nicodemi, M. Vedani, Department of Mechanics, Polytechnic of Milano (Italy) (abstract)

ADVANCED CERAMICS: MATERIALS, PROPERTIES AND APPLICATIONS 27
G. N. Babini, CNR-IRTEC, Faenza (Italy) (abstract)

THE PHYSICS OF LIQUID CRYSTALS 28
S. Chandrasekhar, Center for Liquid Crystal Research, Bangalore (India) (abstract)

SOLID STATE INTERACTIONS AND COMPOUND FORMATION 36
G. Ottaviani, Department of Physics, University of Modena (Italy) (abstract)

SOLITONS IN FERROELECTRIC LIQUID CRYSTALS - AN EXAMPLE OF NON-LINEAR PHYSICS 44
R. Blinc and I. Muöevic, J. Stefan Institute, University of Ljubljana (Slovenia) (abstract)

COLLECTIVE BEHAVIORS AND THEIR RELEVANCE IN THE PHYSICS OF CONDENSED MATTER 50
F. Wanderlingh, Department of Physics, University of Messina (Italy) (abstract)

1.2 Strategies and Tools for Teaching

NEW MATERIALS AND NEW METHODS IN TEACHING PHYSICS 68
G. Marx, Department of Atomic Physics, Eötvös University, Budapest (Hungary) (abstract)

WHAT SHOULD WE TEACH? WHAT CAN THEY LEARN? 71
P. Black, School of Education, King's College London (U.K) (abstract)

CHILDREN'S CONCEPTIONS OF THE STATES OF MATTER 81
R. Stavy, School of Education, University of Tel Aviv (Israel) (abstract)

ENERGY TEACHING AT HIGH SCHOOL LEVEL: A CHALLENGE? 95
A. Tiberghien, UMR GRIC (CNRS-Université Lyon), Equipe COAST, 56 Ecole Normale Supérieure de Lyon (France) (abstract)

TEACHING SOLID STATE PHYSICS AT SECONDARY SCHOOL AND COLLEGE LEVEL IN HUNGARY 106
L. Kovács, Department of Physics, BD Teacher Training College, Szombathely (Hungary) (abstract)

TEACHING MAGNETIC MATERIALS: PROBLEMS TO AVOID 114
F. Herrmann,University of Karlsruhe (Germany) (abstract)

TEACHING ELECTRICAL TRANSPORT PROPERTIES IN SOLIDS: AN EXPERIMENTAL APPROACH 122
A. Sconza, G. Torzo, G.Delfitto, Department of Physics, University of Padova (Italy)
M. Michelini, Department of Physics, University of Udine (Italy) (abstract)

EDUMAT: A MULTIMEDIAL COURSE ON MATERIAL SCIENCE 135
M. Bianucci, A. Cordelli, R. Fieschi, R. Roncaglia, O. Tommasi, INFM, University of Parma (Italy) (abstract)

THE PHYSICS TEACHER: MORE A PHYSICIST, OR MORE A TEACHER? 144
G. Luzzatto, Interdepartmental Centre for Research in Education,University of Genova (Italy) (abstract)

2. Special Aspects

2.1 Secondary Education

THE FREEDERICKSZ TRANSITION, OR THE INTERACTION BETWEEN AN ELECTRIC FIELD AND AN ELASTIC FLUID 151
R. Barberi, Department of Physics, Calabria Univ., Rende and Fac. of Engineering, Univ. of Reggio Calabria (Italy)
A. Misiano, Scientific Liceo "Leonardo da Vinci", Reggio Calabria (Italy) (abstract)

INTRODUCING THE PHYSICS IN OPTICAL FIBRE COMMUNICATION FOR HIGH SCHOOL SCIENCE COURSE 154
J. Yoo, J. Kim, S. Pak, Department of Physics Education, Seoul National University (Korea) (abstract)

AN EXPERIMENT ON THE DISSIPATION IN A MECHANICAL SYSTEM 157
A. Albanese, S. Scocco, Department of Physics, University "La Sapienza" of Rome (Italy) (abstract)

NEW TECHNOLOGIES FOR LEARNING IN THE LAB: A HOME-MADE COMPUTER ON-LINE SYSTEM FOR OPTICAL PHYSICS MEASUREMENTS 162
A. Frisina, M. Michelini, Research Unit in Physics Education, University of Udine (Italy) (abstract)

REVISITING THE H-ATOM (AND ELECTRON CONFIGURATIONS IN ATOMS): A CASE STUDY AT HIGH-SCHOOL LEVEL 168
M. Giliberti, C. Marioni, Research Group in Physics Teaching, University of Milano (Italy) (abstract)

INTRODUCTION OF QUANTUM PHYSICS INTO THE SECONDARY SCHOOL CURRICULUM 171
A. Stefanel, Scientific Liceo "Marinelli", Udine (Italy)(abstract)

ON-LINE EXPERIMENTS ABOUT RADIOACTIVITY 176
I. Sciarratta, Scientific Liceo "M. Grigoletti", Pordenone (Italy) (abstract)

2.2 Undergraduate Education

UNDERGRADUATE RESEARCH ON THIN FILMS: A CAPSTONE EXPERIENCE 180
V.K. Agarwal, Department of Physics & Astronomy, Moorhead State University, Minnesota (USA) (abstract)

MODELLING OF A TUNNEL DIODE BY A DOUBLE-WELL POTENTIAL 183
R. Zangara, E. Lanzara, Department of Energy and Physics Applications, University of Palermo (Italy) (abstract)

ADSORPTION AND WETTING TRANSITION ON A ROUGH SELF-AFFINE SURFACE 186
G. Giugliarelli, Department of Physics, University of Udine (Italy) (abstract)

QUASI PERIODIC TRANSITIONS IN A MODULATED TUNNEL DIODE WITH NOISE INJECTION 189
E. Lanzara, R. Mantegna, B. Spagnolo, R. Zangara, Department of Energy and Physics Applications, Univ. of Palermo (Italy) (abstract)

THE CONCEPT OF THE CROSS SECTION 192
F. Corni, Department of Physics, University of Modena (Italy)
M. Michelini, L. Santi, F. Soramel, A. Stefanel, Research Unit in Physics Education, University of Udine (Italy) (abstract)

CREATION AND DETECTION OF "THERMAL" WAVES THROUGH ABSORPTION OF MODULATED LIGHT BY SOLIDS 198
F.J. Macedo, J.A. Ferreira, Department of Physics, University of Minho , Braga (Portugal) (abstract)

YBCO-SUPERCONDUCTORS - NEW TOPIC IN TEACHING "PHYSICS OF SUPERCONDUCTORS" 202
A. Harabor, M. Ursache, M. Socaciu, Dept. of Condensed Matter Physics, Faculty of Sciences, Univ. of Craiova (Rumania) (abstract)

2.3 Teaching Units and Tools

TEACHING LIQUID PROPERTIES IN A MULTIMEDIA ENVIRONMENT 204
L. Borghi, A. De Ambrosis, C. Invernizzi, P. Mascheretti, Department of Physics, University of Pavia (Italy) (abstract)

CONDENSED MATTER IN SCHOOL: A WAY FORWARD 210
I. Lawrence, M. Arthur, King's School Worcester (U.K.)
M. Uren, J. Jefferson, DRA, Electronics Sector, Malvern (U.K.) (abstract)

THE PHYSICS OF THE COMPACT DISC 213
G. Hudoba, Institute of Computer Engineering, Kandó Kálmán Technical College, Székesfehérvár (Hungary) (abstract)

FROM AN INCANDESCENT LAMP TO THE ELECTRICAL PROPERTIES OF TUNGSTEN 216
S. Bosio, M. Michelini, L. Santi, Research Unit in Physics Education, University of Udine (Italy) (abstract)

MICROCOMPUTER BASED LABORATORIES AT THE A. MICKIEWICZ UNIVERSITY 221
0H. Szydlowski, Institute of Physics, A. Mickiewicz University, Poznan (Poland) (abstract)

TERMOGRAFO: A COMPUTER ON-LINE ACQUISITION SYSTEM FOR TEMPERATURE MEASUREMENTS IN PHYSICS EDUCATION 223
E. Mazzega, Department of Physics, University of Modena (Italy)
M. Michelini, Research Unit in Physics Education, University of Udine (Italy) (abstract)

2.4 Student Investigations of the Properties of Matter

NEW WAYS OF LOOKING AT AN OLD LAW: OHM'S LAW 227
G. Rinaudo, Department of Experimental Physics, University of Torino (Italy) (abstract)

INVESTIGATION OF STRAIN IN MATERIALS USING ULTRASOUNDS 230
D. Dvorák, E. Mechlová, University of Ostrava (Czekia)
S. Bukovansky, VäB-Technical University, Ostrava (Czekia) (abstract)

DEMONSTRATION OF THE FERROMAGNETIC PHASE TRANSITION BY SIMPLE QUANTITATIVE EXPERIMENTS 233
G. Schwarz, 3 Department of Physics Education, University of Gießen (Germany) (abstract)

TEACHING FERROMAGNETISM AT HIGH SCHOOL PHYSICS: SIMPLE COMPUTER GAMES MODELLING THE FERROMAGNETIC PHASE TRANSlTION 235
G. Sauer, Institute for Physics Education, University of Gießen (Germany) (abstract)

THERMAL CONDUCTION IN SOLIDS: AN ON-LINE EXPERIMENT FOR SECONDARY SCHOOL AND UNDERGRADUATE STUDENTS 239
E. Mazzega, Department of Physics, University of Modena (Italy)
M. Michelini, Research Unit in Physics Education, University of Udine (Italy) (abstract)

2.5 Models and Visualization of Reality

SEEING THE ATOMS WITH NEW TECHNOLOGIES 242
C. Arena, M. Vicentini, Department of Physics, University "La Sapienza" of Rome (Italy) (abstract)

THE IDEA OF MATTER AS A METAPHOR IN SCIENTIFIC MODELLING 244
F. de Stefano, Scientific Liceo "G.Marinelli", Udine (Italy) (abstract)

THE IDEA OF SUBSTANCE IN PHYSICS EDUCATION A NEW APPROACH TO QUANTUM PHYSICS 248
C. Agnes, Department of Physics, Polytechnic of Turin (Italy) (abstract)

THE INTERPRETATION OF COMPUTER SIMULATIONS IN THE FIELD OF CONDENSED MATTER EDUCATION: THE CASE OF IRREVERSIBILITY 255
M.G. Ianniello, D. Malizia, A. Vulpiani, Department of Physics, University "La Sapienza" of Rome (Italy) (abstract)

VIBRATIONAL PROPERTIES OF DIATOMIC LINEAR CHAINS: INVESTIGATION USING MATHEMATICA. 260
A. Franchini, Department of Physics, University of Modena (Italy) (abstract)

MECHANICAL SIMULATIONS OF SPIN REORIENTATION TRANSITIONS 264
G. Asti, INFM, Department of Physics, University of Parma (Italy) (abstract)

2.6 Teaching Advanced Topics in Condensed Matter

RUTHERFORD BACKSCATTERING SPECTROMETRY: A TECHNIQUE WORTH INTRODUCING INTO PEDAGOGY 266
F. Corni, G. Ottaviani, Department of Physics, University of Modena (Italy)
M. Michelini, G. L. Michelutti, L. Santi, A. Stefanel, Research Unit in Physics Education, Univ. of Udine (Italy) (abstract)

OPTICAL SOLITONS AS RELATIVISTIC MIRRORS 272
M.J. Martins, Centre for Electrodynamics, Technical University, Lisboa (Portugal) (abstract)

ELECTRON TRANSPORT STUDIES OF AMORPHOUS AND NANOCRYSTALLINE ALLOYS: ELECTRICAL RESISTIVITY AS A PROBE OF PHASE TRANSITIONS 274
K. Pekala, Institute of Physics, University of Technology of Warsaw (Poland) (abstract)

TRANSPORT STUDIES OF NEW SUPERCONDUCTING MATERIALS 276
M. Pekala, Department of Chemistry, University of Warsaw (Poland)
M. Ausloos, SUPRAS, Institut de Physique, University of Liege (Belgium) (abstract)

2.7 Suggestions for Teacher Training

FACTORS AFFECTING HIGH SCHOOL STUDENTS' CHOICE OF SCIENCE CAREERS - INTERNATIONAL COMPARISON 279
T. Ryu, M. Tanaka, C. Yuki, Sophia University (Japan)
K. Akao, Shimazu Rika CO (Japan)
H. Kinoshita, Seibu High School (Japan) (abstract)

MACROSCOPIC VS. MICROSCOPIC: A PROBLEM OF HISTORY, EPISTEMOLOGY AND TEACHING OF PHYSICS 281
D. Busini, C. Tarsitani, Department of Physics, University "La Sapienza" of Rome (Italy) (abstract)

SHARING SCIENCE WITH SCHOOL TEACHERS: AN OVERVIEW 286
V.K. Agarwal, Department of Physics & Astronomy, Moorhead State University, Minnesota (USA) (abstract)

TEACHING PHYSICS THROUGH CONTEXTS 290
R.K. Wassef, Department of Physics, University of Cairo (Egypt) (abstract)

NEW MATERIALS AND THE GENERATION GAP 291
M. Staszel, Department of Physics, University of Warsaw (Poland) (abstract)

LEARNING TO OBSERVE: A SPECTROSCOPIC ANALYSIS OF OPTICAL FILTERS TO OBSERVE A SOLAR ECLIPSE - THE CASE OF THE TOTAL SOLAR ECLIPSE IN BRAZIL / 1994 292
M.C. Danhoni Neves, J.R.D. Pereira, F.C. Cardoso, Department of Physics, State University of Estadual de Maringá (Brazil)(abstract)

2.8 Theoretical Approach to Condensed Matter

ABOUT ENTROPY, CORRELATIONS, AND THE NATURE OF THE LIQUID STATE 295
P. V. Giaquinta, Department of Physics, University of Messina (Italy) (abstract)

ADSORPTION OF POLYMERS ON A ROUGH SURFACE 295
G. Giugliarelli, Department of Physics, University of Udine (Italy) (abstract)

DIMENSIONAL ANALYSIS: A TOOL TO BRIDGE THE GAP BETWEEN THE MICROSCOPIC AND THE MACROSCOPIC WORLD 298
K-H. Lotze, Institute for Theoretical Physics, University of Jena (Germany) (abstract)

THE MIXED SPIN-1/2 AND SPIN-1 ISING SYSTEM WITH TRANSVERSE FIELDS 302
A. El-Atri, M. Saber, Department of Physics, University of Moulay Ismail, Meknes (Morocco) (abstract)

2.9 Material Properties

CHARACTERIZATION OF SEMICONDUCTOR MATERIALS USING PHOTOELECTROCHEMICAL TECHNIQUES 308
E.A. Dalchiele, Institute of Physics, Faculty of Engineering, University of Montevideo (Uruguay)
F. Decker, Department of Chemistry, University "La Sapienza" of Rome (Italy) (abstract)

THE OPTICAL FIBRE AS A MODAL DIELECTRIC WAVEGUIDE AN ANALYSIS BASED ON FUNDAMENTAL PHYSICAL PHENOMENA 311
M.H. Marçal, Centre of Electrodynamics, IST, Lisboa (Portugal) (abstract)

THE EFFECT OF ACCELERATED ELECTRONS IRRADIATION ON ELECTRICAL CONDUCTIVITY OF CdSe THIN FILMS IRRADIATED WITH FAST ELECTRONS 314
G. Stoenescu, V. Calian, Department of Condensed Matter Physics, University of Craiova, (Rumania)
I. Spanulescu, N. Baltateanu, Inst. for Physics and Technology of Radiation Devices, Magurele, Bucharest (Rumania)
V. Ruxandra, University of Bucharest (Rumania) (abstract)

MOTT TRANSITION AS A WAY TO DISCUSS ELECTRICAL TRANSPORT PROPERTIES 316
G. Giugliarelli, M. Michelini, Department of Physics, University of Udine (Italy)
E. Mazzega, G. P. Ottaviani, Department of Physics, University of Modena (Italy) (abstract)

2.10 New Materials

SHAPE MEMORY ALLOYS: THE MATERIALS SCIENCE ALIVE (1) 322
G. Airoldi, Department of Physics, University of Milano (Italy)
G. Riva, INFM (National Institute for the Physics of Matter), Milano (Italy) (abstract)

CERAMIC MATRIX COMPOSITES (CMC): THE KEY ROLE OF INTERFACES 325
O. Sbaizero, V. Sergo, S. Meriani, Department of Materials Science, University of Trieste (Italy) (abstract)

PRODUCTION AND CHARACTERIZATION OF HIGH PERFORMANCE SILICON NITRIDE 329
A. Bellosi, CNR-IRTEC, Faenza (Italy) (abstract)

PREPARATION AND CHARACTERIZATION OF DENSE BULK HIGH Tc SUPERCONDUCTORS 332
A. Tampieri, G. Celotti, CNR-IRTEC, Faenza (Italy) (abstract)

NEW MATERIALS AND ASTRONOMY (SAIt Workshop) 337
C. Barbieri, Director of the Galileo Project, University of Padova (Italy) (abstract)

3. Topical Aspects

3.1 Many faces of Water

THROUGH WATER, AIR AND SAND TOWARDS PHYSICS 339
Z. Golab-Meyer, Institute of Physics, Jagellonian University, Cracow (Poland)
M. Massalska-Arodz, Institute of Nuclear Physics, Cracow (Poland) (abstract)

3.2 New Methods for Old Matters. Towards a Better Understanding of the "Old" Properties of Matter

THE MAGIC WORLD OF PROPERTIES OF MATTER FOR CHILDREN OF LOWER SCHOOLS (AGE 6-14) 346
M. De Paz, Department of Physics, University of Genova (Italy)
M. Pilo, Institute of Physics, Faculty of Engineering, University of Genova (Italy) (abstract)

LOW COST EXPERIMENTS FOR TEACHING THE CHANGES OF STATE OF MATTER IN THE PRIMARY SCHOOL 348
G. Calvelli, Department of Physics, University of Padova (Italy)
M. Capitanio, R. Di Blasi Burzotta, D. Furlan, A. Merlo, National Group of Physics Education CNR, Padova (6 Italy)

COMPUTER ON-LINE TO EXPLORE THERMAL PROPERTIES 351
S. Bosio, V. Capocchiani, M. Michelini, L. Santi, Research Unit in Physics Education, Univ. of Udine (Italy) (abstract)

RELATIONSHIPS BETWEEN PROPERTIES OF MATTER AND WORLD AS A KEY FOR SCIENTIFIC TRAINING IN HIGH SCHOOLS (AGE 14-19) 355
M. De Paz, Department of Physics, University of Genova (Italy)
M. Pilo, Institute of Physics, Faculty of Engineering, University of Genova (Italy) (abstract)

3.3 Teaching of the Structure of Matter in the Karlsruhe Physics Course

ELECTRONIUM - THE STUFF THAT DETERMINES THE SIZE AND THE SHAPE OF THE ATOM 358
F. Herrmann, M. Laukenmann, Institute for Physics Education, University of Karlsruhe (Germany)

ELECTRONIUM IN SOLID STATE PHYSICS 360
F. Herrmann, M. Laukenmann, Institute for Physics Education, University of Karlsruhe (Germany)

ELECTRICAL PROPERTIES OF SOLIDS 363
M. Laukenmann, P. Schmalzle, Institute for Physics Education, University of Karlsruhe (Germany)

THERMOELECTRIC EFFECT - COUPLED CURRENTS OF ENTROPY AND ELECTRICITY 366
J. Ferbar, Faculty of Education, University of Ljubljana (Slovenia)

3.4 Material Science from the STS Point of View

NEW MATERIALS, DEVELOPMENT AND EDUCATION: GENERAL CONSIDERATIONS 368
A. Woytyna-Jodko, SNPPiT and ICASE (Poland)
J. Depireux, GIREP and University of Liège (Belgium) (abstract)

THE SCIENCE AND SOCIETY ASPECTS OF MATERIAL SCIENCE 371
E. Mechlová, D. Dvorák, University of Ostrava (Czekia)
S. Bukovansky, Technical University-VäB, Ostrava (Czekia)

PRODUCTION OF NEW MATERIALS BY ULTRARAPID SOLIDIFICATION TECHNIQUE 372
R. Krsnik, B. Leontic, Department of Physics, Fac. of Science, University of Zagreb (s256 Croatia) (abstract)

3.5 New Methods and Media from the Experience of Italian Teachers

THE EXPERIENCE OF ITALIAN TEACHERS: THE CONTRIBUTION OF A.I.F. 376
M C Maccario Mazzadi, A.I.F. Steering Committee (I)

NEW METHODS AND MEDIA FOR PERFORMING SOME CLASSICAL EXPERIMENTS IN PHYSICS 377
C. Bartolotti, E. Cortesi, F. Dalla Valle, Scientific Liceo of Lugo (Italy)
M. Mancini, Department of Physics, University of Firenze (Italy) (abstract)

ELECTRICAL CONDUCTIVITY IN METALS: ELEMENTARY CONSIDERATIONS 380
M. Mancini, Department of Physics, University of Firenze (Italy) (abstract)

OSCILLOSCOPE VISUALISATION OF CHARACTERISTIC CURVES OF SOME NTC THERMISTORS 382
S. D'Agostino, Scientific Liceo "I. Vian", Bracciano (Italy) (abstract)

3.6 Practical Work in Physics Lab: Sensors based on Properties of Matter

EXPERIMENTAL BASIS FOR THE TEACHING OF ELECTRONIC STRUCTURE OF SOLIDS 385
M. Hribar, Department of Physics, University of Ljubljana (Slovenia) (abstract)

CHARACTERISTICS OF SENSORS BASED ON OPTICAL PROPERTIES OF MATTER 386
S. Kocijancic, Faculty of Education, University of Ljubljana (Slovenia) (abstract)

THE USE OF OPTICAL SENSORS IN COMMUNICATION 389
E. Avdicauöevic, Maticek, Murska Sobota (Slovenia)
A. Kuhar, Secondary School of Electronics, Mechanical and Textile Engineering, Murska Sobota (Slovenia)
U. Platiöe, Secondary School of Electronic and Mechanical Engineering, Kranj (Slovenia) (abstract)

MEASUREMENT OF PIEZORESISTANCE COEFFICIENT 392
A. Likar, FMF-Department of Physics, University of Ljubliana (Slovenia) (abstract)

SOME SIMPLE EXPERIMENTS WITH HIGH Tc SUPERCONDUCTORS 392
M. Logar, Faculty of Elect. Eng. and Comp. Science, University of Maribor (Slovenia) (abstract)

THE MEASUREMENT OF THE SPEED OF LIGHT WITH AN OPTICAL FIBRE 396
R. Mihelcic, F. Glavac, L. Babic, PTT High School, Ljubljana (Slovenia) (abstract)

FROM A MUSICAL GREETING CARD TO A DYNAMOMETER 397
J. Polajnar, High school "Gimnazija Skofja Loka" (Slovenia)
M. Tratnik, High school "Gimnazija Nova Gorica" (Slovenia) (abstract)

3.7 Problem Solving: Calculating and Thinking Problems

TWO RINGS ON THE SCREEN: CALCULATING AND THINKING PROBLEMS IN A TEACHING SIMULATION 398
L. Kovács, Department of Physics, BD Teacher Training College, Szombathely (Hungary) (abstract)

PROBLEM-SOLVING APPROACH TO THE TEACHING OF THE ELECTRIC TRANPORT PROPERTIES 399
E. Mechlová, D. Dvorák, University of Ostrava (Czekia) (abstract)

3.8 Computer Aided Analysis of the Microscopic World

ELECTRICAL CONDUCTIVITY: COMPUTER SIMULATION OF CLASSICAL MODELS 402
L. Bellomonte, R. M. Sperandeo-Mineo, Institute of Physics, University of Palermo (Italy) (abstract)

ENERGY BANDS FORMATION ON THE SPREADSHEET 408
J. Dunin-Borkowski, Centre for the Technology of Teaching, Warszawa (Poland)
I. Strzalkowski, Institute of Physics, Warsaw University of Technology (Poland) (abstract)

EDUCATIONAL COMPUTER PROGRAMS IN TEACHING PHYSICS 411
M. Kozielsca, Institute of Physics, Poznan University of Technology, Poznan (Poland) (abstract)

3.9 Cognitive Problems and Conceptual Profile Changes in the Knowledge of Matter

DESCRIBING CONCEPTUAL EVOLUTION IN THE CLASSROOM AS CONCEPTUAL PROFILE CHANGE: AN EXAMPLE FROM THEORY OF MATTER 415
E. Fleury Mortimer, Faculty of Education, Federal University of Minas Gerais (Brazil)
A. M. Pessoa de Carvalho, Faculty of Education, University of São Paulo (Brazil) (abstract)

TEACHING THE CHANGES OF STATE OF MATTER IN THE PRIMARY SCHOOL 429
G. Calvelli, Department of Physics, University of Padova (Italy)
M.Capitanio, R. Di Blasi Burzotta, D. Furlan, A. Merlo, National Group of Physics Education of CNR, Padova (Italy) (abstract)

PLAYING WITH SAND FROM PHYSICAL AND TEACHING POINT OF VIEW 433
K. Teplanová, SCHOLA LUDUS Department of Nonformal Science Education, Institute of Physics, Faculty of Mathematics and Physics, Comenius University, Bratislava (Slovakia) (abstract)

4. Playful and Interactive Science

SCIENCE AND TOYS 437
C. Ucke, Department of Physics, Technical University of Münich (Germany) (abstract)

INTERACTIVE EXHIBITION SCHOLA LUDUS: SCIENCE TOYS 1995 442
K. Teplanová, Institute of Physics, Comenius University Bratislava (Slovakia) (abstract)

GAMES, EXPERIMENTS, IDEAS 445
G. Bosatta, M. Bosia, S. Bosio, G. Candussio, V. Capocchiani, S. Deotto, L. Marcolini, M.C. Mazzadi, M. Michelini, G.L. Michelutti, S. Pugliese Jona, L. Santi, C. Sartori, M.L. Scillia, A. Stefanel, Research Unit in Physics Education, University of Udine (Italy) (abstract)

5. Short experiments and demos

SIMPLE EXPERIMENTS - UNEXPECTED RESULTS: THE MYSTERY OF THE MIKOLA TUBE 447
G. J. Radnai, Institute for General Physics, Eötvös University, Budapest (Hungary) (abstract)

THE LIQUID CRYSTAL DISPLAY: THREE SIMPLE LABORATORY EXPERIMENTS 448
L. Sabaz-Deranja, High school "Gian Rinaldo Carli", Koper (Slovenia)
E. Okretic-Salmic, 18High school "Gimnazija of Koper" (Slovenia) (abstract)

DEMONSTRATIONS ON FIBRE-OPTICAL COMMUNICATION 450
G. Hudoba, Institute of Computer Engineering, Kandó Kálmán Technical College, Székesfehérvár (Hungary) (abstract)

MAGNETS AND COINS 450
Brian Davies, IOP London (U.K.) (abstract)

SHAPE MEMORY ALLOYS: THE MATERIAL SCIENCE ALIVE (2) 451
G. Airoldi, Department of Physics, University of Milano (Italy)
G. Riva, I.N.F.M., University of Milano (Italy) (abstract)

LED TO EVALUATE THE PLANCK CONSTANT 453
C. Agnes, Department of Physics, Polytechnic of Turin (Italy)
T. Marino, ITIS Primo Levi Turin (Italy) (abstract)

6. Short Contributions

6.1 Curricular Matters

A NEW APPROACH TO THE TEACHING OF SEMICONDUCTORS IN THE SECONDARY SCHOOLS OF ALBANIA 455
R. Corati, Z. Mulaj, University of Tirana (Albania)
K. Corati, "Hasan Prishtina" School, Tirana (Albania) (abstract)

A PROBLEM FOR EDUCATIONAL RESEARCH: THE UPDATING OF THE CURRICULUM 455
F. Corni, E. Mazzega, G. Ottaviani, Department of Physics, University of Modena (Italy)
M. Michelini, G. L. Michelutti, L. Santi Department of Physics, University of Udine (Italy) (abstract)

TEACHlNG SOLID STATE PHYSICS ON A REGIONAL SCALE: A PATAGONlAN EXPERIENCE 456
E.N. Martinez, Balseiro-U N. Cuyo Institute, Atomic Centre of Bariloche (Argentina) (abstract)

CONDENSED MATTER PHYSICS TEACHING AS AN INTERFACE BETWEEN MATERIALS PREPARATION AND STRUCTURE ANALYSIS IN A PHYSICAL ENGINEERING DEGREE 457
L.Santos, T. Monteiro, Department of Physics, University of Aveiro (Portugal) (abstract)

SIMPLE ON-LINE MEASUREMENTS IN THE SCHOOL: A DIDACTICAL EXPERIENCE 457
L. Marcolini, AIF Udine, Research Unit in Physics Education, University of Udine (Italy) (abstract)

TEACHING LIQUID CRYSTALS: CURRICULA AND LABORATORY EXPERIMENTS 458
M.Socaciu, M.Ursache, A.Harabor, Department of Condensed Matter Physics, University of Craiova (Romania) (abstract)

SOME ASPECTS OF TEACHING THE SOLID STATE PHYSICS AT PEDAGOGICAL UNIVERSITY IN KIELCE 459
M. Suchanska, M.Wysocka-Kunisz, Institute of Physics, Pedagogical University of Kielce (Poland) (abstract)

6.2 Teaching and Learning

COMPUTER TOOLS IN TEACHING THE PHYSICAL PHENOMENA 460
M.S. Al-Kobt, Department of Physics, Faculty of Science, University of Ain Shama (Egypt)
S.A. Hassan, Department of Chemistry, Faculty of Science, University of Ain Shama (Egypt) (abstract)

HELPING UNIVERSITY STUDENTS TO UNDERSTAND PHYSICAL PROPERTIES OF ELECTRONIC DEVICES 460
W. Barberis, L. Borrelli, G. Casas, C. Ciccarella, J. Cordara, M. Gonzales, G. Goya, G.Heredia, G. Pagnossin, J. Silbermann, L. Simsic, Faculty of Engineering, National University of La Plata (Argentina)
E. L. Peltzer y Blancá, O. M. Cappannini, A. Melgarejo, IFLYSIB (CONICET-UNLP), La Plata (Argentina) (abstract)

STUDENT UNDERSTANDING OF THE ENERGY CONCEPT. ITS RELATION WITH CONDENSED MATTER PHYSICS 461
O. M. Cappannini, E. L. Peltzer y Blancá, A. Melgarejo, IFLYSIB (CONICET-UNLP), La Plata (Argentina) (abstract)

THE LINEAR SUPERPOSITION PRINCIPLE AND NON CLASSICAL FEATURES OF MICROPHENOMENA 461
G. Ghirardi, Department of Physics, University of Trieste, (Italy)
R. Grassi, M. Michelini, Research Unit in Physics Education, University of Udine, (Italy) (abstract)

TEACHING THE MICROSCOPIC BEHAVIOUR OF MATTER ON A DETAILED BASIS WHEN LECTURING ABOUT THE CONDENSED MATTER 461
C.A. Raffo, M.A. Rebollo, Faculty of Engineering, University of Buenos Aires, (Argentina) (abstract)

A NEW EXPLANATION OF THE PROCESS OF ACCELERATING ELECTRONS AND CONNECTED PHENOMENA 462
K. Turzyniecki, Department of Physics, Technological University of Warsaw (Poland) (abstract)

6.3 Experiments

WHAT CAN STUDENTS LEARN FROM MEASURING THE BAND GAP OF SEMICONDUCTORS EMPLOYING THE RESISTIVITY VS. TEMPERATURE METHOD? 463
E. Caselli, University of "Centro de la Pcia." and CICPBA, Buenos Aires (Argentina)
F. Ortega, M. Lester, University of "Centro de la Pcia.", Buenos Aires (Argentina) (abstract)

VISUALIZATION OF X-RAY MEASUREMENTS ON COMPLICATED STRUCTURES 463
V. Sirenko, B. Verkin Institute for Low Temperature Physics and Engineering, Kharkov (Ukraine)
A. Sirenko, Y. Telezhenko, Kharkov State University (Ukraine) (abstract)

FLUCTUATION PHENOMENA ON METAL SURFACES 464
L. Gladyszewski, A. Wisniewski, Institute of Physics, University of Lublin (Poland) (abstract)

STUDENTS' INVESTIGATION OF TRIBOELECTRICITY 465
T. Ryu, Y. Hara, Sophia University (Japan) (abstract)

TINY MOLECULES - A STUDY OF THE PROCESS OF LEARNING 466
H. Mayr, Institute for Theoretical Physics, University of Vienna (Austria) (abstract)

ELECTRON TRANSMISSION THROUGH EVERYDAY AND NEW MATERIALS: A STUDENT EXPERIMENT 466
M. Gambaccini, G. Zini, Department of Physics, University of Ferrara (Italy)
M. Pamini, c/o Department of Physics, University of Ferrara (Italy) (abstract)

6.4 Advanced topics in condensed matter and applications

CORROSION OF SIC BY POLLUTANT OXIDES IN COMBUSTION ENVIRONMENT 468
M.T. Dario, S. Maschio, A. Bachiorrini, DSTC, University of Udine (Italy)

TRANSMISSION OF INFORMATION IN CONDENSED MATTER 471
M. Glowacki, Pedagogical University of Czestochowa (Poland) (abstract)

ZERO DIMENSION TECHNOLOGY AND PHYSICS EDUCATION 472
A. Masi, M. Adelaide Institute, Aosta, and University of Torino (Italy) (abstract)

LIGHT RAY PATHS THROUGH INHOMOGENOUS MEDIAS AS OPTICAL FIBERS 472
M.Ursache, M.Socaciu, A.Harabor, Department of Condensed Matter Physics, Faculty of Sciences, University of Craiova (Romania) (abstract)

DIELECTRIC ANOMALIES IN THE PARAELECTRIC PHASE OF PbZr03 NICKEL-DOPED 473
M. Hafid, H. Elqadim, Department of Physics, LPMC, University of Kenitra (Morocco)
T. Fukami, Faculty of Engineering, Shinshu University, Nagano-Shi (Japan) (abstract)

BOMBARDMENT INDUCED LIGHT EMISSION - NEW METHOD FOR SURFACE DIAGNOSTICS 473
M. Suchanska, M.Wysocka-Kunisz, Institute of Physics, Pedagogical University (Poland) (abstract)

ON THE ANALYSING OF INTERNAL CRYSTAL FIELDS MATTER 474
B. N. Umurzakov, Institute of Nuclear Physics, Alma Ata (Kazakhstan) (abstract)

INFLUENCE OF A STRONGLY DIVERGENT ELECTRIC FIELD ON THE CONVECTION IN WEAKLY CONDUCTING LIQUIDS 474
H. W. Vanderschueren, C. Beck, M. Biron, A. Vanderschueren, University of Liège (Belgium)
V. Jacquet, University and Schumann Institute, Eupen (Belgium)
M. O. Louppe, D.I.C. Coll. et Coll. St.Benoit-St.Servais, Liège (Belgium)
R. Goffaux, Centrale électrique de Vianden, Vianden (Luxembourg)
R. Coelho, Ret. from CNRS, Vaucresson (France) (abstract)

7. The Conference

7.1 A GIREP-ICPE Conference on the science of condensed matter and new materials in Italy

7.2 Opening ceremony

7.3 GIREP Medal

7.4 The IUPAP - ICPE Medal for Physics Education

7.5 Scientific excursions and social events

Appendix 1 - The organizational structures

Appendix 2 - The collaborating local structures

7.6 List of participants

GIREP95 Physics Dept. Udine University GIREP