Fall 2001 - Vernier Software & Technology
Contents
1. VERN The SOFTWARE amp TECHNOLOGY Caliper Volume 18 Number 2 Fall 2001 P yJuuluuluubuuluulu Vernier The Caliper iS a publication for users of Vernier products A New Spectrophotometer jhi kak Our newest data acquisition program Spectro Pro banga ex Wanalanaih allows you to collect and analyze data from several different spectrophotometers The Spectronic 20D or D Genesys 20 or Flinn Spectrophotometer can be connected directly to aPC or Macintosh serial port using the appropriate cable The analog spectrophotomete s Spectronic 20 and 20 can be connected to the computer through an interface a Vernier LabPro ULI or Serial Box Interface With the spectrophotometer connected to your computer s serial port you can collect absorbance vs time data for kinetics studies collect absorbance vs concentration data to produce a Beer s law graph or determine the concentration of an unknown by interpolation collect absorbance vs wavelength data to produce an absorption spectrum view data graphed in real time easily calibrate the soectrophotometer by following on screen prompts create calculated spreadsheet columns perform curve fits on data and do statistical analysis of data We used Spectro Pro to perform a spectral analysis of the pigment extracted from autumn leaves After soaking the leaves in rubbing alcohol for two days cuvettes were filled with the extrac2. measurement leads and a power supply The CBLs are available for 49 each order code CBL and they indude the CBL batteries carrying case and three TI sensors temperature light ULI IBM The ULIs include a Mac or PC serial cable voltage and voltage gt LabPro Update One of the exciting features of LabPro is the FLASH memory This allow us to change improve and expand LabPro capabilities We are pleased to announce that we have made some exciting changes to LabPro induding Support for two Motion Detectors oa Be Improved Photogate support Ww VW Better battery life for long term data collection yo Ta Improved digital output support Capture of two dimensional motion using two M otion D etectors In order to install the new features visit our web site at www vernier com calc flash htm There you will find instructions download files and detailed revision notes If you have ideas for future improvements be sure to send them to us We are always looking for ways to Improve our products The Caliper is published semiannually by Vernier Software amp Technology It is distributed free of charge to Vernier customers Logger Pro and Vernier LabPro are registered trademarks of Vernier Software amp Technology in the United States of America Apple II and Macintosh are registered trademarks of Apple Computer Inc Windows and Visual Basic is a registered trademark of Microsoft Corporation CBL a
3. the U S Department of Education The goal of this project is to design a viable Martian colony Participants are further required to produce a visual representation of ther design Gus took this idea a steo further and built a small scale working model of such a colony using mice rather than people His Controlled Ecological Mouse Support Systen CEMSS is a self contained system designed to fully support a mouse for one week mouse missions An important part of the system is a set of sensors used to monitor temperature carbon dioxide gas oxygen gas pH and relative humidity Gus is using LabPro Logger Pro software and Vernier sensors to make these measurements He has developed an excellent web site at http chapters marssociety org or cemss Mercury Phase O ut In October Oregon joined a number of other states in passing legislation to phase out the use of instructional materials containing mercury by public schools For more information of similar legislation in other states see www mercury k12 org Mercury Is dangerous and hard to clean up We think this is one more reason for switching to edectronic temperature measurement devices such as our Stainless Steel Temperature Probe Ghostly Data Collection Our Motion Detector and Magnetic Field Sensor were used and shown on camera in the Discovery Channel program Ghost D etectives This study of the paranormal some of us would call it pseudoscience attempted
4. Begin data collection Collect a data point at 0 Rotate the sensor 15 clockwise and take a second data point Continue taking a data point every 15 until 360 has been reached Magnetic north is located in the direction r where the magnetic field reading is the highest The difference between this peak location and true north 0 isthe declination for your area The data in Figure 3 were taken at our office in Beaverton Oregon Our actual magnetic declination is 18 Figure 1 T Feci fpina Figure 3 TH E CA LTP ER FALL 20 01 E R SOFTWARE amp TECHNOLOGY Free Evaluaton Workshops It s not too late to attend one of the last Vernier workshops of 2001 These free four hour hands on workshops Include dinner and lab handouts Visit our wed site for up to date information and registration Nov 27 Miami FL Nov 28 St Petersburg FL Dec 1 Orlando FL Dec 3 Jacksonville FL We will be conducting more than 60 hands on evaluation workshops at various locations around the country in 2002 Check the Workshops section of our web site after December 1 for details 8096 ON wad YO pueuod diYd J VLSOd SN dLS LdSdd Conferences and Workshops We will be exhibiting at all of the following conferences Hands on workshops or presentations will also be conducted at many of these shows For updated information visit the Workshops section o
5. Physics A Project Centered Curriculum for Non Scientists Dickinson College Carlisle PA July 7 12 2002 This seminar is designed for instructors at colleges and universities who teach physics to students whose interests lie outside the sciences Participants will receve hands on Instruction using computer tools for data collection and strategies for overcoming implementation barriers Free tuition room board and sample curricular materials will be provided For more information and application materials check http physics dickinson edu EiPWkshp or contact Gail Oliver at 717 245 1845 or oliver dickinson edu Application deadline is March 15 2002 More Physics Workshops More information about the following workshops can be found in the Workshops section of our web site or from David Sokoloff Dept of Physics University of Oregon sokoloff oregon uoregon edu RealTime Physics Activity Based Learning of Mechanics and Thermodynamics in Lab Winter AAPT Meeting January 20 2002 Philadelphia PA A half day hands on workshop designed for those interested in making learning in thear introductory course more active Interactive Lecture Demonstrations Active Learning of Mechanics and Thermodynamics in Lecture Winter AAPT Meeting January 20 2002 Philadelphia PA This half day hands on workshop will introduce the participants to the use of Interactive Lecture Demonstrations ILDs to promote active learning in lecture Ch
6. college nuclear radiation curriculum One of our favorites Is Lifetime M easurement In this experiment students use a source called an isogenerator that contains cesium 137 which decays to an isotope with a short half life barium 137 Using a simple chemical separation process the isogenerator allows you to easily remove a Fifteen and Ten Years Ago in this Newsletter sample of barium with a half life of 2 552 minutes by gamma In the fall of 1986 emission making this systen an ideal one for classroom study A Our H ow to Build a Better M ousetrap book of science projects for 30 minute experimental run covers almost 12 half lives so the use with an Apple I1 computer was released observed activity drops to about 0 3 of the initial value The We reported on the compatibility of our products with the new cesium 137 source in the isogenerator will last for years and can be Apple IIGS and Laser 128 computers reused many times In the fall of 1991 We announced the Macintosh version of our popular Graphical Analysis program Amazingly we are still saling a version of this program based on the same code It will soon be replaced by a completely new version We also announced our Sound program for ULI and a ULI Starter Stack which was the first of our projects to help teachers and students develop their own software to operate our interfaces That trend continues today with several projects listed in this newsletter for developing progr
7. or using these international versions do the following Check your current Logger Pro CD label If it says Version 2 1 1 International your CD has the new versions If you have the English version of Logger Pro on your computer but want to install a French Italian or Spanish version go to our web site click on the link Logger Pro 2 1 1 U pdate at the lower left of the home page then click on the link to International U pgrades to Logger Pro 2 1 1 THE CALIPER FALL 20 0 1 SOFTWARE amp TECHNOLOGY AD Do it Yourself Programming with LabPro in LabVIEW Visual BASIC or REALbasic Over the years we have always supported and encouraged people who enjoy programming to use our lab interfaces for custom programming We have recently completed sample programs to help you program for LabPro using three very different environments LabVIEW a graphical programming language used extensively in research and industry A sample program for LabVIEW is called a virtual instrument or VI Visual BASIC the most popular programming language for Windows REALbasic a language very similar to Visual Basic but for Macintosh The sample programs will help you get started in writing your own programs for collecting and analyzing LabPro data For each programming language the samples include the following types of data collection slow analog real time fast analog non real time Motion Detector Photogate
8. other digital inputs In addition we have samples showing digital output for use with the DCU for example and analog output 5 to V These sample programs and VIs are available free on our web site at www vernier com Click on the Downloads button Also available on our web site is the LabPro Technical Reference M anual with all the details of how LabPro is controlled by programs 2 Activities for Middle Grades cD Science with the CBL 2 and the TI 73 by Debbie Crawford Ray Leonard and Cathy Roberts This new book from Texas Instruments contains 22 middle school science investigations that provide hands on data collection with a variety of sensors including temperature pH force motion voltage and light Physical saence is explored through properties of matter motion and force and transfer of energy Life science activities investigate living systems populations and ecosystems and diversity and adaptations of organisms The book also provides earth and space scence activities Even though Activities for M iddle Grades Science with the CBL 2 and the TI 73 was written for the CBL 2 you can also use It unchanged with the Venier LabPro interface Order Code TI MGS ccccccccccccssccccccesscscceeccensceeeeeeecensneueeeeeenensnaeess 20 LER SOFTWARE amp TECHNOLOGY wa Nuclear Radiation with Computers and Calculators By John Gastineau N uclear Radiation with Computers and Calculators which w
9. our lab books These experiments can now be seen in one action packed video The Getting Started with Vernier CD includes the following Overviews of our products How to set up LabPro Software installation Demonstrations of calculator and computer experiments Our complete catalog in PDF format New users veteran users or anyone who wants to learn more about our products will find useful information in this video training guide If you would like a free copy of this CD simply send an email that includes your complete mailing address to video vernier com cD Logger Pro Goes International if you received a Vernier Logger Pro CD recently you may have noticed that during installation you are now asked whether you want to install the English French Italian or Spanish version of Logger Pro That s right You can now collect data in one of four languages with the Windows version or two languages with our Macintosh version French and English We have had many requests for international versions over the years and this is our first step in that direction We have even included international versions of the Logger Pro Uses Manual Logger Pro Tutorial and LabPro User s Manual on the CD Will other international versions follow Probably not for at least a year But we do feel we have made a good start that will be valuable for our French Italian and Spanish speaking teachers and students If you are interested in examining
10. ams for LabPro see page 2 los orn a m 0E Science Humor Shown here are some sample data from this experi ment Noti ce that yy Heisenberg is out for a drive when he s stopped the exponential curve fit done on the first 15 mi nutes of data yields a i by a police officer The officer says Do you know decay constant equal to 0 277 min the value of C in the curve fit at how fast you were going Heisenberg says No Using the formula ty2 In 2 A the half life ty2 is found to be 2 50 buti kiowwheael am minutes for these data The final five minutes of data can be used to ee THE CALIPER gt FALL 20 0 1 E R SOFTWARE amp The Activity Based Physics Institutes Session Starter June 16 28 2002 Session II Follow up June 15 27 2003 These NSF sponsored institutes will be offered in the summers of 2002 and 2003 at University of Oregon and Dickinson College for high school teachers of physics and or physical science and school administrators Teams are especially welcome Adapt activity based curricula to standards and implement new teaching methods based on physics education research 1000 stipend free room and board up to 150 trava and graduate credit or CEUs Consult ABP web site at http physics dickinson edu ABPI nstitutes or contact Gail Oliver Department of Physics amp Astronomy Dickinson College oliver dickinson edu Application deadline is February 15 2002 Explorations in
11. as introduced earlierthis f year includes some exciting new determine the background count rate from the combination of a cosmic rays and leaked cesium With time isogenerators will sometimes leak small amounts of the cesium 137 isotope EAN mene for physics chemistry and a _ The calculator data below show an exponential fit done after 1 kcal ancl ai wanialnobonaeetacnen a i background levels are subtracted from the data The decay rate value eee nea ones of 0 00444 s1 yields a half life value of 156 seconds or 2 60 minutes for LabPro or ULI and a calculator r version for LabPro or CBL 2 The Nudear aa we a5 a aata PAR rj Radiation CD included with the book contains the word B Bda b processing files for the six student experi ments Alpha Beta and Gamma Distance and Radiation ENTER Lifetime Measurement E m Aui l cat uclear Radiation with Computers and Calculators Sound stan S Order CAN la O O 25 E N halc Student Radiation Monitor detects B and y only M Soff 42 u iati i y only Radiation Shielding Order Code SRM BTD cecccccccsssssssccsssscssssssscecsssssssssssssesesssasssssssssensssussssnseee 145 In each of these experiments you can use either the Vernier Radiation Radiation Monitor detects a B and y Monitor or the Student Radiation Monitor Order Code RM BTD c sssccsscsssssssssssssssssssssssssssestsnsssventsestsasetnssssessente 205 The six experiments cover a broad spectrum of topics in high school and
12. autauqua Short Courses Promoting Active Learning in Introductory Physics Courses I June 6 8 2002 University of Oregon Eugene OR Chautauqua Short Course Promoting Active Learning in Introductory Physics Courses II May 9 11 2002 Dickinson College Carlisle PA NSF sponsored Chautauqua courses designed for those interested in making major changes in introductory physics courses or in other introductory science courses The focus of Course is on first semester topics The focus of Course ll is on second semester topics electricity magnetism waves and optics Workshops TECHNOLOGY Vernier workshop participants at The O verlake School Redmond WA Pittcon 2002 Pittcon 2002 will be held in New Orleans LA from March 16 22 2002 It is one of the largest scientific conventions in the world with 1000 exhibitors and more than 30 000 attendees Their outreach to educators called Pittcon 2002 Science Week will offer a variety of programs for science teachers Vernier will be conducting two hands on workshops as part of the activities Pittcon 2002 New Orleans Louisiana March 17 18 2002 Applications due December 31 2001 See www pittcon org and dick on Science Week for more information Vernier Hands On Chemistry Workshops at BCCE The Biennial Conference on Chemical Education will beheld at Western Washington University in Bealingham WA on July 28 Aug 1 2002 Vernier will be conducting several hands
13. f our web site North Carolina Science Teachers Association sses Greensboro NC November 14 16 New York State Association of Computers amp Technologies in Education cessssessesessesessstersersssersaseneess Albany NY eee November 18 20 Pennsylvania Science Teachers Association s Hershey PA sses December 6 7 NSTA Southern Area Convention cceesesserssersssereereens Memphis TN ues December 6 8 Association for the Education of Teachers ordne AES tccneceaenaanemennanns Charlotte NC January 10 13 AAPT National CONPE ENCE 1 ceessssesersserssserssssrsssesasersases Philadelphia PA January 19 23 Texas Computer Education Association TCEA s s Austin TX neseser February 4 8 Hoosier Association of Science Teachers HASTI Indianapolis IN s s s February 6 8 Michigan Science Teachers Association MSTA s es Detroit MI eesseeseseeees March 1 2 Florida Educational Technology COnference cescceees Glare golem Flee perenne March 6 8 Association for Supervision and Curriculum DEVE opment cseescesssersssersssssserssstseseterees San Antonio TX March 9 11 Microcomputers in Education Confrence uu eee TEMPE AZ wessececseeretseeneens March 11 13 Northwest Council for Computers in Education 0 San Antonio TX March 9 11 NSTA National Convention cesses San Diego CA vce March 27 30 National Council of Teachers of Mathematics s s s Las Vegas NV
14. he circle to approximately 15 cm in diameter Tape the circle to each student group s work space with 0 aligned with true north You can locate true north using a GPS or blue prints for your school If these are not available you can determine true north by using a compass to find magnetic north then correct for the magnetic declination If you don t know the magnetic declination at your location it can be calculated at several locations on the intenet including www ngdc noaa gow seg potfl d java GeoMag sntml Keep in mind that readings may fluctuate due to deviation the influence of the immediate environment upon your compass by things such as electrical currents computer monitors or metal brackets Try to avoid these influences Tape a pointer on top of the white dot of the Magnetic Fiad Sensor and bend it so that it is perpendicular to the sensor see Figure 2 Students will use this as a guide when positioning the sensor Connect the Magnetic Field Sensor with the switch set to HIGH to Channel 1 of an interface and set up data collection in Events with Entry mode If you are using Logger Pro you may want to use the experiment file found at www venier com north Hold the sensor vertically The top of the sensor should be placed at the center of the degree whee with the pointer pointing toward 0 see Figure 2 Do not zero the sensor Be careful to keep the end of the Magnetic Field Sensor over the dot at the center of the circle
15. nd CBL 2 are trademarks of Texas Instruments LabVIEW is a trademark of National Instruments Corporation REALbasic is a registered trademark of REAL Software Inc al TECHNOLOGY Have you checked out www vernier com lately Support Articles for Grant Writing If you re looking for support material for a grant you ll find a bibliography of articles and research papers about the use of computers and calculators for data collection many of which are available on the internet Check it out at www verni er com grants State and National Correlations All Vernier curricular materials are correlated to the National Science Standards and the science standards of most states These correlations are available in PDF format at www vernier com standards You can also search for curricula that meet specific state and national standards at the ExplorAsource web site www explorasource com Vernier Idea Board Have you written your own experiments using Vernier products Do you have an idea for a student research project that utilizes Vernier products Or do you just want to benefit from people who do We havea place for you on our web site to read entries submitted by other educators and post your own Go to www vernier com ideaboard Does Logger Pro run on Windows 2000 ME and XP The answer is yes You need to use version 2 1 1 of Logger Pro If you encounter problems using a USB port with Windows 2000
16. on on a Familiar Theme His method for measuring the speed of sound is an innovative one and a great use of the FFT feature of Logger Pro Barbara Pecori Bologna University Italy and Giacomo Torzo Padova University Italy used CBLs to do an elaborate and detailed study The Physics of the Seesaw which is described in the November 2001 The Physics Teacher Steve Abitz and John Sebranek Southwest HS Green Bay WI took our LabPro a calculator and a temperature probe to Death Valley CA in July The average temperature in the air was 1182F 47 8 C The average temperature on the ground was 1252 F 51 72C Teacher W ins Award Using Vernier Products David Svrcek who teaches 7th grade at Miller Junior HS in Aberdeen Washington is one of five Washington State teachers sel ected to receive the 2000 2001 Innovation in Teaching Award sponsored by Battelle and Digital Blackboard As part of their winning project David and his students have been using Vernier LabPro and water quality sensors to collect data and monitor the health of Shannon Slough The 2 000 awards are given to teachers using technology to teach mathematics and science in innovative ways Congratulations David SOFTWARE amp Controlled Ecological Mouse Support System Gus Frederick with the Oregon Public Education Network has come up with a fascinating idea that ties into the Millennium Mars Project a project supported by NASA and
17. on workshops See http chem wwu edu acs bcce Vernier Hands On Workshops at NSTA San Diego We will be offering free hands on training in 10 sessions at NSTA in San Diego March 27 30 The workshops will cover a variety of subject areas chemistry physics biology middle school science and water quality And Speaking of Workshops The Project PH YSLab series of workshops has ended but the leaders have put together two CDs of PHYSLab workshop materials The CDs are modestly priced and include Advanced Placement exams and problems Interactive Physics examples experimental work done by the 2001 Project PHYSLab participants labs course material and tests from Ken Appa Pete Parlett and Lowell Herr For complete details and ordering information check out the following www users qwest net 4her CD htm THE CALIPER FALL 20 0 1 TECHNOLOGY E R Innovative Uses In an articlein the October 2001 issue of The Physics Teacher Eric Gettrust LaFollette HS Madison WI described a great way to show both Newton s third law and action at a distance The article is titled An Extraordinary Demonstration of Newton s Third Law He uses a magnet attached to one force sensor and a steel clip attached to another force sensor and shows the equal magnitude and oppositely directed forces The same October issue included an article by Brian Martin King s College Edmonton Canada entitled Measuring the Speed of Sound Variati
18. or XP you should download a new USB driver from our web site Simply go to www vernier com and dick on Downloads Vernier Software amp Technology 13979 SW Millikan Way Beaverton OR 97005 2886 Phone 503 277 2299 FAX 503 277 2440 info vernier com www vernier com THE CALIPER FALL 20 0 1 LER S OFTWARE TECHNOLOGY A new experiment idea for your Magnetic Field Sensor E A O Nat Ze es Y i SM A SrA X Where IS North 0 It depends Do you mean geographic north or magnetic north The aa E geographic true north pole is the point at 90 N latitude It is aligned vo ws to oF with the rotational axis of the earth The magnetic north pole is the point Mee eee ee ME Ae ee yee to which a compass needle points It is currently in northern Canada but an moves at an average rate of 15 km per year Depending upon your Pit location the difference between geographic north and magnetic north called magnetic declination can range from 0 to 30 or higher In this experiment students will measure the magnetic field of the earth using a Vernier Magnetic Fiad Sensor They will then use that data to determine magnetic north Knowing the direction of true north they can calculate the magnetic declination at their location Make copies of the degree whea and pointe and cut then out There is a black line master at www venier com north Alternatively you can photocopy Figure 1 but it will work best to enlarge t
19. t solution We used wavelengths of 400 nm to 700 nm and we plotted the absorbance values The graph above shows the compilation of data for four different colored leaves Thanks to Jack Sipe Tracy Schoolcraft Paula Rupert and Gregory Anderson of the Advancing Science Program at Gettysburg College for the lab idea N TH S S S UE You can request a copy of the experiment procedure from their web site at http advancingscienceorg Spectro Pro Includes site license for both Windows and Macintosh ss Order Code SP uu 50 See page 5 for information about cables for soectrophotometers Spectro Pro ii aa Nuclear Radiation More Awards for Our Products with Computer s and Calculators Vernier Training CD Use LabVIEW with LabPro Innovative Uses Vernier LabPro received a 2001 Award of The September 2001 eSchool N ews Readers Workshops Excellence from Technology amp Learning magazine Choice Awards rated Vernier Graphical Analysis p The awards were presented at the School as the most popular of all grade 9 12 science Technology Expo in Chicago in October software E R ATD Free Vernier Training CD Are you not sure how to get started with our products Do you want free training Do you think you want to buy but you want to see LabPro in action first You can get all of that with our free Getting Started with Vernier CD Last summery we filmed our tech support staff performing 42 experiments from
20. to detect ghosts moving around at night in an old lighthouse They did not find any but this was not due to any failure of our equipment Spectrophotometer Cables Flinn Spectrophotometer SPC FLI PC or SPC FLM MAC ccsccceeeeeees 25 Spec 20D or Dt Lasses SPC IBM PC or SPC MAC MAC neccen 25 Spec 20 Genesys 6006 GEN PC PC or GEN MAC MAC osen 25 Spec 20 or 207 uo SPC DIN for ULI SBI or SPC BTA for LabPro 25 THE CALIPER gt FALL 200 1 j 6 E R SOFTWARE amp va Technical FAQs on Vernier Web Site We now have the answers to over 150 technical questions on our web site including tips tricks troubleshooting guides and links to product updates We will be adding more information to this new section of our site all the time so if you need answers to any of your technical questions check out our new Tech Info Library TIL at www vernier com til Q Blue Light Specials No this isn t KMart but have we got some bargains for you Even though LabPro and CBL 2 are replacing the Universal Lab Interface ULI and original CBL we still have some ULIs and CBLs in stock If you areon a limited budget or want to supplement the equipment that you already have now is a good timeto snap up these interfaces The ULI is also perfect for teachers who have older pre Power Mac computers eg Mac LC Mac SE etc The ULIs are now available for 199 each order code ULI MAC or e 5 i
21. uo April 21 24 Northern Southern California AAPT esseere San Luis Obispo CA April 26 27 Jaded pajohdey uo paul ea Lvi GSLSANOAY AOIAYAS ssAHAAV WOO JOIUJOA MMM 6622 2 Z 0S 9882 GS00Z6 HO uop ne g ABM UPI MS 62681 ADIUID A
Download Pdf Manuals
Related Search