scholarly journals Τα ανατρεπτικά κείμενα και η πληροφορία κατηγοριοποίησης ως παράγοντες προώθησης της εννοιολογικής αλλαγής

2020 ◽  
Vol 18 (4) ◽  
pp. 421
Author(s):  
Ειρήνη Σκοπελίτη ◽  
Στέλλα Βοσνιάδου
Keyword(s):  
Empirical Studies ◽  
Scientific Information ◽  
Spherical Shape ◽  
Text Type ◽  
The Third ◽  
The Earth ◽  
Categorical Information ◽  
Astronomical Object ◽  
Information Type ◽  
3Rd Grade

We present the results of two empirical studies which investigated the effect of the type of information included in refutational texts in 3rd grade students’ comprehension of the spherical shape of the earth. In the first study we compared three kinds of refutational texts: the first refuted only the belief that the earth is flat, the second refuted in addition the belief in up/down gravity, and the third refuted all of the above and in addition the belief that the earth is a physical and not an astronomical object. In Experiment 2, four texts were used to compare text type (refutation vs. non-refutation) and information type (categorical vs. non-categorical information). The results from the two experiments confirmed our hypothesis that refutational texts that include categorical information are the most effective in improving students’ understanding of scientific information about the earth.

Enhaching Primary Students’ Science Learning Outcome Utilizing Visual Multimedia

2018 ◽  
Vol 1 (2) ◽  
pp. 109
Author(s):  
Nurmi Nurmi ◽  
Hadi Putra ◽  
Penti Nursida ◽  
Khoiro Mahbubah ◽  
Neni Hermita
Keyword(s):  
Learning Outcomes ◽  
Science Learning ◽  
Learning Outcome ◽  
Visual Media ◽  
Primary Students ◽  
Average Score ◽  
The Third ◽  
Third Grade Students ◽  
The Subject ◽  
3Rd Grade

This study aims to improve 3rd grade students’ science learning outcomes bylearning to use visual multimedia. This research method uses classroom actionresearch. The subject of this research was the third grade students of secondsemester of elementary school which conducted 30 students. Based on theresults of research by using visual media, it have been found that theimprovement learning outcome, seen from the initial average score before theaction of 3rd grade class students from 65.5 to 83.83. The results of this studyindicate that with the use of visual media can improve student learningoutcomes.

Pèlerinages barrésiens

2013 ◽  
pp. 116-123
Author(s):  
Claire Bompaire-Evesque
Keyword(s):  
Large Scale ◽  
The Self ◽  
Joan Of Arc ◽  
The Third ◽  
National Importance ◽  
The Earth ◽  
Third Stage ◽  
The Dead

This article is a inquiry about how Barrès (1862-1923) handles the religious rite of pilgrimage. Barrès stages in his writings three successive forms of pilgrimage, revealing what is sacred to him at different times. The pilgrimage to a museum or to the birthplace of an artist is typical for the egotism and the humanism of the young Barrès, expressed in the Cult of the Self (1888-1891). After his conversion to nationalism, Barrès tries to unite the sons of France and to instill in them a solemn reverence for “the earth and the dead” ; for that purpose he encourages in French Amities (1903) pilgrimages to historical places of national importance (battlefields; birthplace of Joan of Arc), building what Nora later called the Realms of Memory. The third stage of Barrès’ intellectual evolution is exemplified by The Sacred Hill (1913). In this book the writer celebrates the places where “the Spirit blows”, and proves open to a large scale of spiritual forces, reaching back to paganism and forward to integrative syncretism, which aims at unifying “the entire realm of the sacred”.

Hutton on Arran

1949 ◽  
Vol 63 (4) ◽  
pp. 369-376
Author(s):  
G. W. Tyrrell
Keyword(s):  
The Third ◽  
Present Volume ◽  
The Earth ◽  
History Of

In 1899 Sir Archibald Geikie edited and published the third volume of Hutton's Theory of the Earth. The two earlier volumes had been published as far back as 1795. In his preface Sir A. Geikie gives the history of the MS. from which the present volume was printed; and he provides at the end of the work not only an index of Vol. III, but also, and separately, a most valuable index of the two earlier volumes, in which we note three references to Arran. In Vol. Ill, however, the last and longest chapter is devoted to “An Examination of the Mineral History of the Island of Arran” (pp. 191–267).

scholarly journals Politics of Strata

2016 ◽  
Vol 34 (2-3) ◽  
pp. 211-231 ◽  
Author(s):  
Nigel Clark
Keyword(s):  
Climate Change ◽  
Political Thought ◽  
Earth Science ◽  
Power Source ◽  
Political Life ◽  
Earth System ◽  
Political Issue ◽  
The Third ◽  
Earth System Governance ◽  
The Earth

Modern western political thought revolves around globality, focusing on the partitioning and the connecting up of the earth’s surface. But climate change and the Anthropocene thesis raise pressing questions about human interchange with the geological and temporal depths of the earth. Drawing on contemporary earth science and the geophilosophy of Deleuze and Guattari, this article explores how geological strata are emerging as provocations for political issue formation. The first section reviews the emergence – and eventual turn away from – concern with ‘revolutions of the earth’ during the 18th- and 19th-century discovery of ‘geohistory’. The second section looks at the subterranean world both as an object of ‘downward’ looking territorial imperatives and as the ultimate power source of all socio-political life. The third section weighs up the prospects of ‘earth system governance’. The paper concludes with some general thoughts about the possibilities of ‘negotiating strata’ in more generative and judicious ways.

scholarly journals UNDERGROUND BURIALS OF THE ANCIENT MINGACHEVIR (SAMUNIS)

2019 ◽  
pp. 21-26
Author(s):  
Emin Vagif Mammadov
Keyword(s):  
Scientific Information ◽  
Local Population ◽  
First Century ◽  
Historical Period ◽  
North Caucasus ◽  
South Caucasus ◽  
The Third ◽  
The North ◽  
Funerary Rituals ◽  
Underground Burial

The article is dedicated to the analysis of archeological excavation as a result of researches discovered in the Mingachevir conducted in the middle of the 20th century of the different type of underground burials of the ancient period. These burials are covered the significant historical period from the second half of the 1st millenium and the first century AD and are the important source of the scientific information on many issues of material and spiritual culture of the population of Caucasus Albania. Underground burials of the ancient period in the Mingachevir zone by the method of placing the deceased in them are divided into three types: 1) burials with a backbone stretched out on the back; 2) burials with a weakly crouched skeleton on the left or right side; 3) burials with a heavily crouched skeleton on the left or right side. The article gives a detailed analysis of all these three types of burials. The author of the article, along with a number of other researchers come to the conclusion that the first type of underground burial is considered to be innovation for the whole of the South Caucasus and its emergence is associated with the penetration of mobile tribes from the North Caucasus in particular the Scythian. Part of these Scythians finally settled in the Mingachevir zone and subsequently merged with the local population, which eventually leads to the appearance of a second type of underground burial in the form of underground graves with poorly crouched skeleton. The third type of underground burial of Mingachevir (Samunis) of the ancient period, namely burials with a heavily crouched skeleton belong to local autochthonous tribes, consolidation of which became the basis for the formation of the state of Caucasian Albania in the 4th – 3rd centuries BC. This type of underground burial has deep local roots and is based on centuries-old local funerary rituals.

A search for constraints on lithospheric net rotation in 2D convection simulations

2021 ◽  
Author(s):  
Suzanne Atkins ◽  
Nicolas Coltice
Keyword(s):  
Reference Frames ◽  
Plate Motion ◽  
Model Parameters ◽  
Motion Model ◽  
Motion Models ◽  
The Third ◽  
The Earth ◽  
Geological Past ◽  
Wide Range ◽  
Third Dimension

<p>Net rotation is the process whereby the entire lithosphere can rotate with respect to the Earth’s mantle. The plates and continents retain their location with respect to each other, but they change their position with respect to global reference frames such as the Earth’s magnetic dipole, and structures in the Earth’s mantle such as plumes and hotspots. Constraining lithospheric net rotation is therefore one factor in building an absolute plate motion model. However, the amount of net rotation occurring at present day is poorly contained, and the drivers of net rotation are very poorly understood. Many absolute plate motion models therefore attempt to minimise net rotation, because there is no way to constrain rotation in the geological past. </p><p> </p><p>In previous geodynamical studies, the presence of thick continents and large viscosity contrasts were found to be controlling factors in the development of net rotation. We investigate the effects of different convection parameters and tectonic states on the magnitude and evolution of net rotation in 2D simulations. The use of 2D simulations allows us to run enough simulations to study a wide range of model parameters. We intend to compare our 2D conclusions with 3D simulations, to investigate how much of a difference the third dimension makes.</p><p> </p><p>We find that net rotation varies on much shorter timescales than any other geodynamic feature. Net rotation is not cleanly correlated with any tectonic behaviours or settings, and that the magnitude and duration is unpredictable. We do however find that the distribution of net rotation within the lifetime of a particular simulation is Gaussian, with standard deviation dependent on the viscosity structure and contrasts of the simulation, in agreement with previous studies. However, in contrast to previous studies, the presence and thickness of continents makes very little difference to the speed of lithospheric rotation, although this may be because we are working in 2D. If the 2D results are also relevant in 3D, net rotation is a continuously varying and unpredictable value, but with a predictable statistical range. This may provide a way to better constrain net rotation for plate motion models.</p>

scholarly journals 8. Some new ionizing agents and properties of the ionosphere

1960 ◽  
Vol 10 ◽  
pp. 716-717 ◽  
Author(s):  
V. I. Krassovsky
Keyword(s):  
Interplanetary Medium ◽  
Solid Angle ◽  
Upper Atmosphere ◽  
Storage Device ◽  
Aluminium Foil ◽  
Electrical Signals ◽  
The Third ◽  
The Earth ◽  
Telemetering System

The instruments with which we have obtained our results are displayed at the Industrial Exhibition (in Moscow), and therefore I shall not describe them here. I shall state briefly the results of those investigations in the upper atmosphere which are related to the interplanetary medium and are therefore of interest to astronomers.We made an attempt to measure corpuscular fluxes by means of the third sputnik. For this purpose we used as indicators two fluorescent screens made of ZnS (Ag) (2 x i o - 3 g cm-2), covered with aluminium foil of different thicknesses (8 x i o - 4 g cm-2 and 4 x io~4 g cm-2). There were three aluminium diaphragms 5 mm thick in front of screens 5 cm in diameter. Each diaphragm had a window for capturing all corpuscles with a solid angle of 1/4 steradian. The emission of the fluorescent screens was detected by photo-multipliers. The electrical signals so produced were transmitted to a storage device and then to the Earth by a radio-telemetering system.

THE ASPECT HYPOTHESIS AND THE ACQUISITION OF L2 PAST MORPHOLOGY IN THE LAST 20 YEARS

2020 ◽  
Vol 42 (5) ◽  
pp. 1137-1167
Author(s):  
Kathleen Bardovi-Harlig ◽  
Llorenç Comajoan-Colomé
Keyword(s):  
Second Language ◽  
Second Language Acquisition ◽  
Language Acquisition ◽  
State Of The Art ◽  
Coming Of Age ◽  
Empirical Studies ◽  
Future Research ◽  
Aspect Hypothesis ◽  
Tense And Aspect ◽  
The Third

AbstractTwenty years ago, a state-of-the-art review in SSLA marked the coming of age of the study of temporality in second language acquisition. This was followed by three monographs on tense and aspect the next year. This article presents a state-of-the-scholarship review of the last 20 years of research addressing the aspect hypothesis (AH) (Andersen, 1991, 2002; Andersen & Shirai, 1994, 1996), the most tested hypothesis in L2 temporality research. The first section of the article gives an overview of the AH and examines its central tenets, and then explores the results of empirical studies that test the hypothesis. The second section considers studies that have investigated four crucial variables in the acquisition of temporality and the testing of the AH. The third section discusses theoretically motivated areas of future research within the framework of the hypothesis.

On an inequality of long period in the motions of the Earth and Venus

1837 ◽  
Vol 3 ◽  
pp. 77-78
Keyword(s):  
Principal Term ◽  
The Sun ◽  
Method Of Calculation ◽  
The Third ◽  
Long Period ◽  
Mean Motion ◽  
The Earth ◽  
The Mean ◽  
The Difference

The author had pointed out, in a paper published in the Philosophical Transactions for 1828, on the corrections of the elements of Delambre’s Solar Tables, that the comparison of the corrections of the epochs of the sun and the sun’s perigee, given by the late observations, with the corrections given by the observations of the last century, appears to indicate the existence of some inequality not included in the arguments of those tables. As it was necessary, therefore, to seek for some inequality of long period, he commenced an examination of the mean motions of the planets, with the view of discovering one whose ratio to the mean motion of the earth could be expressed very nearly by a proportion of which the terms are small. The appearances of Venus are found to recur in very nearly the same order every eight years; some multiple, therefore, of the periodic time of Venus is nearly equal to eight years. It is easily seen that this multiple must be thirteen; and consequently eight times the mean motion of Venus is nearly equal to thirteen times the mean motion of the earth. The difference is about one 240th of the mean annual motion of the earth; and it implies the existence of an inequality of which the period is about 240 years. No term has yet been calculated whose period is so long with respect to the periodic time of the planets disturbed. The value of the principal term, calculated from the theory, was given by the author in a postscript to the paper above referred to. In the present memoir he gives an account of the method of calculation, and includes also other terms which are necessarily connected with the principal inequality. The first part treats of the perturbation of the earth’s longitude and radius victor; the second of the perturbation of the earth in latitude; and the third of the perturbations of Venus depending upon the same arguments.

Eratosthenes of Cyrene

Classics ◽  
2019 ◽  
Author(s):  
P. J. Finglass
Keyword(s):  
Literary Criticism ◽  
Second Best ◽  
The Third ◽  
The Earth ◽  
Mediterranean World ◽  
The Subject ◽  
Research Institute

Eratosthenes was one of the great scholars of Antiquity. Born in Cyrene in c. 285, he studied in Athens before becoming the third librarian at the great research institute founded by King Ptolemy I at Alexandria in Egypt. Rather than specializing in any one field, he produced scholarship in philology, geography, mathematics, philosophy, and chronography, as well as composed poetry. This breadth of learning was (remarkably) the subject of criticism: he was called “Beta” and the “Pentathlete,” which referred to being the second-best in every field. But his versatility did not preclude considerable achievement: most notably, he calculated the circumference of the earth and made other great intellectual advances in geography (where his influence on the later geographer Strabo was considerable) and literary criticism (where, for instance, he refused to believe that the places of Homer’s Odyssey could be mapped onto the actual Mediterranean world), as well as receiving praise for his poetry (from pseudo-Longinus). His works have not survived in full; the process of gathering and assessing his fragments is still ongoing.

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