5
5.0

Nov 6, 2019
11/19

by
Shelly, Gary B

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1 volume (various pagings) : 28 cm +

Topics: Microsoft Windows (Computer file) -- Software, Microsoft PowerPoint (Computer file), Microsoft...

Source: removedNEL

628
628

Nov 13, 2012
11/12

by
L. M. Passano

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Topics: calculus, graphs, math, modeling

Journal of Research of the National Bureau of Standards

Topics: Algorithm, chromatic number, color function, graph, graph coloring, heuristic, interchange, random...

280
280

Jun 21, 2010
06/10

by
NON

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No Abstract Available

Topics: BOMBS (ORDNANCE), DROP TESTS, GRAPHS (CHARTS), STATIC LOADS, FIGHTER AIRCRAFT, WIND TUNNELS

1,916
1.9K

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No Abstract Available

Topics: ENGINE INLETS, PRESSURE GRADIENTS, RAMJET ENGINES, STATIC TESTS, GRAPHS (CHARTS), MATHEMATICAL...

200
200

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No Abstract Available

Topics: PERFORMANCE TESTS, SYSTEMS ENGINEERING, TIP SPEED, TURBOCOMPRESSORS, GRAPHS (CHARTS), MATHEMATICAL...

344
344

Jul 6, 2010
07/10

by
VINOGRADOV, A. P.; SURKOV, Y., et al

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SOVIET AUTOMATIC STATIONS CARRIED OUT A WIDE RANGE OF INVESTIGATIONS OF MARS AND VENUS. LUNA-20 BROUGHT SOIL FROM THE CONTINENTAL REGION OF THE MOON BACK TO EARTH. THE PROGNOZ SATELLITES ARE ON 24-HOUR WATCH ALONG THE EARTH. A NUMBER OF IMPORTANT AGREEMENTS WERE REACHED BETWEEN THE U.S.S.R. AND THE U.S.A. IN THE AREA IN THE AREA OF THE INVESTIGATION OF SPACE. THIS COLLECTION, BASICALLY COMPILED FROM MATERIALS PUBLISHED IN THE CENTRAL PRINTING OFFICE, DISCUSSES THESE ACHIEVEMENTS AND THE...

Topics: AERODYNAMIC COEFFICIENTS, FLIGHT SIMULATORS, ERRORS, GRAPHS (CHARTS), WIND TUNNEL TESTS

505
505

Jul 12, 2010
07/10

by
Zeleznik, F. J.; Donovan, L. F

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Functions for the representation of the thermodynamic properties of nonideal solutions were applied to the experimental data for several highly nonideal solutions. The test solutions were selected to cover both electrolyte behavior. The results imply that the functions are fully capable of representing the experimental data within their accuracy over the whole composition range and demonstrate that many nonideal solutions can be regarded as members of the defined class of nonideal solutions.

Topics: ADHESION TESTS, AIRCRAFT TIRES, DYNAMOMETERS, GRAPHS (CHARTS), TABLES (DATA), TREADS

138
138

Jul 26, 2010
07/10

by
Rapp, Richard H

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A natural extension of the recent satellite derived potential coefficient models is the development of high degree (maximum 180 or 360) expansions. Such expansions are based on the combination of the satellite derived models with terrestrial gravity data and satellite altimeter data. Such models are useful for more precise geoid undulation computations, for simulation studies involving different typed of future missions (e.g., gradiometry), and as reference fields for different types of...

Topics: AIRCRAFT DESIGN, TABLES (DATA), AIRCRAFT RELIABILITY, DATA RECORDERS, FLIGHT RECORDERS, L-1011...

390
390

Jul 11, 2010
07/10

by
Tevaarwerk, J. L

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The fluid rheology model is used to investigate the traction behavior for typical traction drive contacts. The aspect ratio of the contact and the invariably present spin are investigated. Contacts with a low aspect ratio predict a superior performance in that they show less slip for the same degree of traction. Spin always has a diminishing effect on the traction at the same slip. At sufficiently high spin the model may be simplified to a limiting shear stress model. The conventional rigid...

Topics: EARTH CRUST, EARTH ROTATION, GRAPHS (CHARTS), LASER RANGE FINDERS, MAPS, OBSERVATORIES, RESEARCH,...

14
14

Nov 4, 2016
11/16

by
The Aspen Institute

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From the session "Why Are You the One Who Got the Election Right?" at the 2013 Aspen Ideas Festival. Columnist, statistician, and prognosticator Nate Silver, whose website FiveThirtyEight.com is the only one to have correctly predicted the outcomes of the 2012 and 2008 elections, shares his perspectives with award-winning journalist Katie Couric. (He also really knows baseball!) Underwritten by Thomson Reuters.

Topics: Colorado, Aspen, The Aspen Instititue, Youtube, Aif2013, Aspen Institute (Organization),...

Although behavior analysis relies primarily on visual inspection for interpreting data, previous research shows that the method of display can influence the judgments. In the current study, 26 Board-Certified Behavior Analysts reviewed two data sets displayed on each of three methods--equal-interval graphs, tables, and Standard Celeration Charts--and determined which data set showed more change per unit of time and which showed less variability. Regardless of their preference for one method of...

Topics: ERIC Archive, Educational Research, Data Interpretation, Efficiency, Comparative Analysis, Graphs,...

Increasing pressure is mounting from all areas of society to maximise technology use within educational domains. Whilst curriculum documents call for the utilisation of technology as a teaching tool in the mathematics classroom, the benefits of exploring forms of dynamic mathematical software, such as GeoGebra, are often introduced in the senior years. This study investigates the challenges and understandings of a Year 9 Mathematics class who were using GeoGebra for the first time.

Topics: ERIC Archive, Technology Uses in Education, Mathematics Instruction, Classroom Techniques,...

In this set of six booklets on graphing, intermediate grade students learn how to choose which kind of graph to make; make bar graphs, histograms, line graphs, and conversion graphs; and use graphs to compare two sets of data. The major emphasis in all Unified Sciences and Mathematics for Elementary Schools (USMES) units is on open-ended, long-range investigations of real problems. In most instances students learn through observing results of their own and their classmates' experiments....

Topics: ERIC Archive, Elementary School Mathematics, Elementary School Science, Graphs, Instructional...

1,286
1.3K

Jun 21, 2010
06/10

by
SHARAF, SH. G., et al

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CORRECTION AND CALCULATION METHODS FOR SECOND AND FIRST ORDER PLUTONIAN PERTURBATIONS WITH RESPECT TO PERTURBING MASSES, AND NEW PLUTO ELEMENTS

Topics: INTERPLANETARY TRANSFER ORBITS, TWO BODY PROBLEM, ORBIT CALCULATION, ORBIT PERTURBATION, ORBITAL...

Journal of Research of the National Bureau of Standards

Topics: Linear graphs, optimal matchings, subgraphs

305
305

Jul 5, 2010
07/10

by
Runyan, H. L

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No Abstract Available

Topics: AXIAL FLOW, COMPRESSORS, INLET PRESSURE, SUBSONIC FLOW, VELOCITY DISTRIBUTION, GAS TURBINES, GRAPHS...

277
277

Jul 10, 2010
07/10

by
BORISOV, O

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PSYCHOLOGICAL COMPATIBILITY IN AN INTERNATIONAL CREW IS DISCUSSED. ALTHOUGH DISAGREEMENTS AND CLIQUE FORMATIONS ARE INEVITABLE, THEY CAN BE MINIMIZED BY A SCIENTIFIC APPROACH TO GROUP SELECTION AND, ESPECIALLY, SELECTION OF A COMMANDER. SELECTION SHOULD BE BASED NOT ONLY ON PROFESSIONAL QUALIFICATIONS, BUT ALSO ON THE INDIVIDUAL'S ABILITY TO RELATE TO OTHERS, AND TRAINING SHOULD DEVELOP THIS ABILITY. PREVIOUS EXPERIENCE IN STRESS SITUATIONS IS VERY HELPFUL. GOOD GROUP RELATIONS ARE ALSO AIDED...

Topics: WEIGHT MEASUREMENT, WINDPOWERED GENERATORS, AIR INTAKES, DIAMETERS, GRAPHS (CHARTS), POLES...

566
566

Jul 12, 2010
07/10

by
Chen, R. T. N

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The effects of flapping dynamics of four main rotor design features that influence the agility, stability, and operational safety of helicopters are studied. The parameters include flapping hinge offset, flapping hinge restraint, pitch-flap coupling, and blade lock number. First, the flapping equations of motion are derived that explicitly contain the design parameters. The dynamic equations are then developed for the tip-path plane, and the influence of individual and combined variations in...

Topics: AIRFOIL PROFILES, GRAPHS (CHARTS), JOUKOWSKI TRANSFORMATION, MATHEMATICAL MODELS, PLOTTING,...

268
268

May 21, 2011
05/11

by
NON

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The Technology Utilization Network System (TUNS), providing NASA with the benefits of current office automation technology, enables NASA users quickly and efficiently to capture, evaluate and disseminate the new technology which NASA and others under Research and Development contracts to NASA develop. TUNS provides advanced automation tools and network communications to the Technology Utilization Program and enables users to collect new technology data, organize it, file it, and retrieve it for...

Topics: ADVANCED VERY HIGH RESOLUTION RADIOMETER, CALIBRATING, EQUIPMENT SPECIFICATIONS, MODULARITY,...

313
313

Jun 21, 2010
06/10

by
Rozhkovskiy, D. A., et al

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Flux and dimension values of reflecting nebulae and magnitudes and spectral classes of illuminating stars

Topics: GEOLOGY, PALEOMAGNETISM, REVERSING, STRATIGRAPHY, EUROPE, GRAPHS (CHARTS), NORTH AMERICA, TABLES...

221
221

Jun 21, 2010
06/10

by
Brady, J. F.; Newsom, B. D.; Olaughlin, T. W

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No Abstract Available

Topics: FLOW DISTRIBUTION, GRAPHS (CHARTS), SECONDARY FLOW, RADIAL FLOW, SKIN FRICTION, SUCTION, VORTICES,...

187
187

Jul 11, 2010
07/10

by
Taylor, D. M.; Berkman, R. M.; Divine, N

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Environmental parameters affecting growth of bacteria are compared with current atmospheric models for Jupiter and Saturn, and with the available physical data for their satellites. Different zones of relative probability of growth are identified for Jupiter and Saturn. Of the more than two dozen satellites, only the largest (Io, Europa, Ganymede, Callisto, and Titan) are found to be interesting biologically. Titan's atmosphere may produce a substantial greenhouse effect providing increased...

Topics: BIOGEOCHEMISTRY, MICROORGANISMS, STARCHES, TABLES (DATA), THERMODYNAMICS, WHEAT, ORGANIC MATERIALS,...

264
264

Jul 12, 2010
07/10

by
Soneira, R. M.; Bahcall, J. N

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Probabilities are calculated for acquiring suitable guide stars (GS) with the fine guidance system (FGS) of the space telescope. A number of the considerations and techniques described are also relevant for other space astronomy missions. The constraints of the FGS are reviewed. The available data on bright star densities are summarized and a previous error in the literature is corrected. Separate analytic and Monte Carlo calculations of the probabilities are described. A simulation of space...

Topics: COMBUSTION, METHANE, PROPANE, TEMPERATURE EFFECTS, CRITICAL PRESSURE, HEAT TRANSFER, LIQUID ROCKET...

178
178

Jul 12, 2010
07/10

by
Harnden, E

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The use of automated classification systems in the field of resource management and resource inventory is discussed. Applications of LANDSAT classification are outlined and include: energy load forecasting based upon land use inventories and change analysis, impact analysis of activities related to energy extraction, capability/suitability mapping in support of generation and substation location and transmission line routing, and assessment of solar energy potential in a highly urbanized...

Topics: AIRCRAFT FUELS, MATHEMATICAL MODELS, NUMERICAL ANALYSIS, TABLES (DATA), AIRCRAFT HAZARDS, BOEING...

302
302

Jul 6, 2010
07/10

by
Greenwood, R. F

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For the eighth consective year, high-altitude calibration of solar cells was accomplished with the aid of free-flight balloons. Flights were conducted to an altitude of 36,576 m which is above 99.5% of earth's atmosphere where all water vapor levels and significant ozone bands are absent. Solar cells calibrated in this manner are significant used as intensity references in solar simulators and in terrestrial sunlight. Discussed is the method employed for high altitude balloon flight solar cell...

Topics: BALLOON SOUNDING, ERROR ANALYSIS, WIND (METEOROLOGY), GRAPHS (CHARTS), INTERROGATION, OPTIMIZATION

615
615

Jul 6, 2010
07/10

by
SHEPELEV, Y. Y

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THE DEVELOPMENT OF A HUMAN LIVING ENVIRONMENT BY BIOLOGICAL METHODS UTILIZING THE APPROPRIATE FUNCTIONS OF ATROPHIC AND HETEROTROPHIC ORGANISMS IS DISCUSSED. CERTAIN PROPERTIES OF NATURAL BIOLOGICAL SYSTEMS AND A SIMULATED BIOLOGICAL LIFE SUPPORT SYSTEM ARE DISCUSSED. THE PROBLEMS AND PROSPECTS FOR THE DEVELOPMENT OF INDIVIDUAL FUNCTIONAL LINKS IN BIOLOGICAL LIFE SUPPORT SYSTEMS ARE PRESENTED.

Topics: GRAPHS (CHARTS), INFLECTION POINTS, METEOR TRAILS, RADIO WAVES, INTERNATIONAL QUIET SUN YEAR,...

157
157

Jul 21, 2010
07/10

by
Draine, B. T

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Dust formation around cool giant and supergiant stars is examined in terms of grain formulation. Optical properties of small clusters, molecular physics of cluster nucleation and growth, circumstellar mass flows, and their application to alpha Ori are discussed.

Topics: COMPUTERIZED SIMULATION, LIQUID OXYGEN, SPACE SHUTTLE MAIN ENGINE, TURBINE PUMPS, COOLANTS, GRAPHS...

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76

Nov 14, 2013
11/13

by
Michel X. Goemans

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We saw last time that orientation of a 2k-edge connected graph into a k-arc connected digraph and the Lucchesi and Younger Theorem were special cases of submodular �ows. Other familiar problems can also be phrased as submodular �ows.

Topics: Maths, Graph Theory, Optimization and Control, Connectivity and Matchings, Optimization, 2- and 3-...

Source: http://www.flooved.com/reader/1932

A pseudoforest is a graph each of whose connected components is a tree or a tree plus an edge; a spanning pseudoforest of a graph contains the greatest number of edges possible. This paper shows that a minimum cost spanning pseudoforest of a graph with n vertices and m edges can be found in O(m + n) time. This implies that a minimum spanning tree can be found in O(m) time for graphs with girth a least log (superscript i) n for some constant i.

Topics: DTIC Archive, Gabow, Harold N, PRINCETON UNIV NJ DEPT OF COMPUTER SCIENCE, *GRAPHS, *ALGORITHMS,...

A new class of composite Positive Temperature Coefficient (PT C) thermistors are commercially available. These composite thermistors exhibit a PTC measuring 6-8 orders of magnitude and have several advantages over conventional Barium Titanate 3 thermistors, including lower room temperature resistivity, better thermal shock resistance, and high temperature stability. In this study, composite PTC thermistors are produced from a carbon black/ polyethylene composition that exhibited a PTC of...

Topics: DTIC Archive, Rohlfing, Lori L, PENNSYLVANIA STATE UNIV UNIVERSITY PARK, *THERMISTORS, *TEMPERATURE...

The author shows that the problem of computing source-sink reliability is NP-hard, in fact P-complete, even for undirected and acyclic directed source-sink planar graphs having vertex degree at most three. Thus the source-sink reliability problem is unlikely to have an efficient algorithm, even when the graph can be laid out on a rectilinear grid. Keywords include: Reliability; complexity; planar graph; acyclic graph; NP-hard; P-complete.

Topics: DTIC Archive, Provan,J S, NORTH CAROLINA UNIV AT CHAPEL HILL CURRICULUM IN OPERATIONS RESEARCH AND...

The simple plant location problem is formulated as the minimization of a pseudo-Boolean functions. This form of the problem is then transformed into a set covering problem and also into a weighted vertex packing problem on a graph. These formulations are compared to similar formulations in the literature and to the 'standard' integer programming formulation. (Author)

Topics: DTIC Archive, Dearing,P M, NAVAL POSTGRADUATE SCHOOL MONTEREY CA, *POSITION(LOCATION),...

Many of UNC's E-Learning efforts are new and an evaluation of their effects is premature. Despite this, evaluating learning outcomes in online education may provide insight for future decisions. In order to evaluate these courses, UNC General Administration's Policy & Funding Analysis Division used a statistical technique that allows one to analyze the relationships between different sets of variables and outcomes of interest. To create a meaningful comparison group, the sample for analysis...

Topics: ERIC Archive, Universities, Program Evaluation, Electronic Learning, Outcomes of Education, Online...

Graphing trig using radian measure

Topics: trig functions, graphs

5
5.0

Aug 27, 2020
08/20

by
Nechaev, Michelle Wagner

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16 pages : 16 x 23 cm

Topics: Graphic methods -- Juvenile literature, Graphs, Graphic methods

235
235

Jun 21, 2010
06/10

by
Parker, G. L

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Launch dynamic environment of Surveyor spacecraft

Topics: LUNAR GEOLOGY, LUNAR PHOTOGRAPHY, SURVEYOR 1 LUNAR PROBE, GRAPHS (CHARTS), LUNAR LANDING, LUNAR...

175
175

Jul 10, 2010
07/10

by
OVSYANNIKOV, A. V

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THE FUNCTIONAL STATE OF THE SEGMENTAL APPARATUS BEFORE VOLUNTARY MOVEMENT WAS INVESTIGATED IN SUBJECTS UNDER WATER IMMERSION CONDITIONS. THE H-REFLEX WAS USED TO EVALUATE THE EXCITABILITY OF THE SPINAL CORD MOTONEURONS. ON THE THIRD, FOURTH, AND FIFTH DAYS OF WATER IMMERSION THE INCREASE IN MOTONEURON POOL EXCITABILITY BEGAN 30 MSEC BEFORE EMG RATHER THAN THE NORMAL 60 MSEC. THE ABSENCE OF INCREASE IN EXCITABILITY OVER THE INTERVAL OF 60-30 MSEC PRIOR TO MOVEMENT IS CONSIDERED TO BE THE...

Topics: ELECTRON DENSITY (CONCENTRATION), INTERFEROMETERS, MARS 2 SPACECRAFT, CORPUSCULAR RADIATION, GRAPHS...

79
79

Mar 5, 2009
03/09

by
NASA LaRC Office of Education

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Third segment contains a program hands on activity that explores the effect of stress on muscles in the hand. The program hands on activity reviews scatterplots, box and whisker plots and stem and leaf plots.

Topics: NASA Connect, Good Stress, Muscles, Bones, Stress, Program Hands on Activity, Scatter Plot, Box and...

Source: http://nasa.ibiblio.org/details.php?videoid=6541&start=60&subject=Science

From the bitsavers.org collection, a scanned-in computer-related document. mit :: lcs :: tr :: MIT-LCS-TR-910

Topics: vertices, theorem, integrality, graph, directed, approximation, multicut, path, gap, solution,...

In recent years, instrumented indentation has become increasingly used to measure mechanical properties such as elastic modulus and fracture toughness at the micrometer scale. In this work, an experimental method is developed to estimate stressstrain behavior using indentation load-displacement and continuous stiffness measurement data. An attempt is made to subtract plastic behavior out of the loading curve to generate stress-strain data from which elastic modulus and yield stress can be...

Topics: DTIC Archive, Juliano, Thomas F, ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS...

Naval Postgraduate School

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202

Dec 7, 2012
12/12

by
Dror, Moshe.;Gavish, Bezalel.;Choquette, Jean.

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Title from cover

Topics: GRAPHS., TREES.

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93

Nov 14, 2013
11/13

by
Michel X. Goemans

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In this lecture we will cover: 1. Topics related to Edmonds-Gallai decompositions 2. Factor critica-raphs and ear-decompositions.

Topics: Maths, Graph Theory, Optimization and Control, Statistics and Probability, Connectivity and...

Source: http://www.flooved.com/reader/1938

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107

Jun 13, 2011
06/11

by
Reschke, M. F.; Paloski, W. H.; Somers, J. T.; Leigh, R. J.; Wood, S. J.; Kornilova, L

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Clear vision and accurate localization of objects in the environment are prerequisites for reliable performance of motor tasks. Space flight confronts the crewmember with a stimulus rearrangement that requires adaptation to function effectively with the new requirements of altered spatial orientation and motor coordination. Adaptation and motor learning driven by the effects of cerebellar disorders may share some of the same demands that face our astronauts. One measure of spatial localization...

Topics: BOND GRAPHS, NONLINEARITY, INTERNATIONAL SPACE STATION, MATRICES (MATHEMATICS), TRANSFER FUNCTIONS,...

A library for computing automorphism groups and canonical forms of graphs This item contains old versions of the Arch Linux package for bliss-graphs . Website of the upstream project: http://www.tcs.tkk.fi/Software/bliss/index.html License: GPL3 See the Arch Linux Archive documentation for details.

Topics: archlinux, archlinux package, bliss-graphs

Topics: DTIC Archive, DEPARTMENT OF VETERANS AFFAIRS WASHINGTON DC, *VETERANS(MILITARY PERSONNEL),...

376
376

Mar 5, 2009
03/09

by
NASA LaRC Office of Education

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First segment of Good Stress explains the three types of stress: physical, mental and emotional. The first segment next asks students a series of inquiry based question about data. The first segment continues with an explanation of how data is collected, organized, analyzed and why data analysis is important. The Good Stress segment explains what scatter plots are and how graphing these plots show different trends. The first segment contains an activity that asks students to determine the trend...

Topics: NASA Connect, Good Stress, Muscles, Bones, Stress, Jennifer Pulley, RJ, Types of Stress, Data, Data...

Source: http://nasa.ibiblio.org/details.php?videoid=6539&start=60&subject=Science

After a review of the problem of predicting foreign language success, this booklet describes the development, refinement, and validation of a battery of psychological tests, some involving tape-recorded auditory stimuli, for predicting rate of progress in learning a foreign language. Although the battery was developed for more general application in high schools and colleges, this article focuses on the results obtained in a variety of "intensive" or semi-intensive foreign language...

Topics: ERIC Archive, Aptitude Tests, Bibliographies, Diagnostic Tests, Educational Testing, Graphs,...

This detailed report and analysis of school bus transportation in Indiana is divided into the following topics: transportation policies; bus utilization; the bus driver and his terms of employment; bus ownership; insurance, storage, maintenance, and fuel costs; bus ownership and costs; and the transportation director. A strong case is made for further studies, analyses, and reports dealing with bus transportation--particularly those that emphasize transportation policies and costs. Numerous...

Topics: ERIC Archive, Administrative Policy, Bus Transportation, Costs, Equipment Maintenance, Equipment...

This is one in a series of SMSG supplementary and enrichment pamphlets for high school students. This series is designed to make material for the study of topics of special interest to students readily accessible in classroom quantity. Topics covered include: (1) graphs; (2) constant, linear, and absolute-value functions; (3) composition and inversion; (4) one-to-one functions; and (5) ordered pairs. (MP)

Topics: ERIC Archive, Curriculum, Enrichment, Graphs, Instruction, Mathematics Education, Secondary...