Güncel Gönderiler: Matematik ve Fen Bilimleri Eğitimi-Makale Koleksiyonu
Toplam kayıt 658, listelenen: 161-180
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Cognitive structures of students about cancer: Word association test
(Balıkesir Üniversitesi, 2020)The aim of this study was to determine ninth grade students’ cognitive structures related to cancer. The descriptive survey model was used in the study. The study group consisted of 50 ninth grade students studying in a ... -
Analysis of environmental achievements in 2018 science and biology courses curriculum according to the revised bloom taxonomy
(Balıkesir Üniversitesi, 2020)Today, the visible results of climate change cause environmental issues to be prioritized in all areas. Environmental acquisitions are included in the curriculum in compulsory education. According to Bloom's taxonomy, ... -
Sudoku puzzles for practicing SI prefixes: A case study with Turkish undergraduates
(Birlesik Dunya Yenilik Arastirma ve Yayıncilik Merkezi, 2020)The purpose of this study was to develop two Sudoku puzzles for undergraduate students which can be utilised in the context of introductory physical science courses in order to assist them to practice SI prefixes. For this ... -
Secondary school students’ initial and changes in cognitive structures of argument and related concepts
(International Journal of Research in Education and Science, 2020)The purpose of this study was to determine the state of secondary school students’ cognitive structures about argument and related concepts and to reveal the change in their cognitive structures regarding these concepts ... -
Measurement of the tilt of the Earth's axis during a lunar eclipse using a simple method
(IOP Publishing Ltd, 2020)In this study, the tilt of the Earth’s axis was measured during a lunar eclipse using a telescope based on the angle between the lunar orbit and ecliptic planes being considered as approximately zero. The presented method ... -
Investigation of Teachers' Views About Experimenting in Science Course During Distance Education
(T.C. Milli Egitim Bakanligi, 2020)After the Covid-19 epidemic, which affected the whole world, distance education was carried out over the internet and TV instead of face-to-face training in classrooms. Experimentation, which is an integral part of science ... -
Investigated effects of guided inquiry-based learning approach on students’ conceptual change and durability
(Birlesik Dunya Yenilik Arastirma ve Yayıncilik Merkezi, 2020)This study aims to investigate the effect of guided inquiry-based learning approach on conceptual change and durability of sixth-grade middle school students regarding density concept. In this study, qualitative research ... -
Determination of conceptual understanding levels related to optics concepts: The case of opticianry
(Necmettin Erbakan Univ, 2020)Physics is directly related to various professions since it is a fundamental science. Opticianry is one of such physics related professions. In this study, it was aimed to determine the conceptual understanding levels of ... -
Evaluation of antioxidant activities, phenolic constituents and essential oil composition of Marrubium heterodon (Benth.) boiss. & Balansa from Turkey
(Colegio Farmaceuticos Provincia De Buenos Aires, 2020)This study comprises the antioxidant activities, phenolic constituents and essential oil composition of Marrubium heterodon (Benth.) Boiss. & Balansa, an endemic species distributed in Turkey. Essential oil was obtained ... -
A phylogenetic analysis and biogeographical distribution of Teucrium Sect. Teucrium (Lamiaceae) and taxonomic notes for a new species from southwest Turkey
(Tubitak Scientific & Technical Research Council Turkey, 2020)Teucrium L. is a well-known and cosmopolitan genus of the Lamiaceae family. In Turkey, the genus is represented by 36 species (48 taxa). Teucrium Sect. Teucrium that this study focuses on comprises around 30 species ... -
Karyotype evolution and new chromosomal data in Erodium: chromosome alteration, polyploidy, dysploidy, and symmetrical karyotypes
(Tubitak Scientific & Technical Research Council Turkey, 2020)Chromosomal data are valuable and very useful for revealing evolution and speciation processes. Due to its wide distribution throughout the world, morphological differences, and chromosomal alterations, Erodium L'Her. is ... -
The effects of mathematics anxiety and motivation on students' mathematics achievement
(Necmettin Erbakan Univ, 2020)This study aims to investigate whether there is an effect of anxiety and motivation, and if so, the level of this effect on students' mathematics achievement in the transition test from middle school to high school. In ... -
Phytochemical screening, antioxidant and anticholinesterase activity of origanum amanum post endemic to Turkey
(Agrimedia GMBH, 2020)The phenolic and essential oil profiles and, antioxidant and anticholinesterase activities (AChE and BChE inhibitory activities) of Origanum amanum Post endemic to Turkey were investigated. The oil was obtained by applying ... -
Composition of the essential oil of Satureja metastasiantha: a new species for the flora of Turkey
(Walter De Gruyter GMBH, 2020)The aerial parts of Satureja metastasiantha were hydrodistilled for 3 h using a Clevenger-type apparatus. The essential oils were analyzed by gas chromatography/flame ionization detector and gas chromatography/mass ... -
Karyotype studies on the genus Origanum L. (Lamiaceae) species and some hybrids defining homoploidy
(Firenze Univ Press, 2020)In this study, chromosome numbers and structures of some Origanum L. taxa growing in Turkey were identified. Using the Image Analysis System, the complements of plant accessions belonging to eight sections, namely Amaracus ... -
Determination of secondary metabolites of Origanum vulgare subsp. hirtum and O. vulgare subsp. vulgare by LC-MS/MS
(ACG Publications, 2020)Secondary metabolites of solvent extracts of Origanum vulgare subsp. hirtum and O. vulgare subsp. vulgare were determined using liquid chromatography-mass spectrometry (LC-MS/MS). Curcumin was used as an internal standard. ... -
Trigonometric approximation in variable exponent weighted lebesgue spaces using sub-matrix method
(Univ Prishtines, 2020)In this study, we obtain some results related to trigonometric approximation using matrix submethods of Fourier series of functions in the variable exponent weighted Lebesgue spaces. The estimations of our main results are ... -
The phenolic contents, antioxidant and anticholinesterase activity of section Amaracus (Gled.) Vogel and Anatolicon Ietsw. of Origanum L. species
(Elsevier, 2020)Origanum boissieri Ietsw., O. saccatum P.H.Davis, O. solymicum P.H.Davis and O. ayliniae Dirmenci & T.Yazici belonging to sect. Amaracus (Gled.) Vogel, O. sipyleum L. and O. hypericifolium O.Schwarz & P.H.Davis belonging ... -
Comparative morphological, fruit anatomical and micromorphological studies of two Trinia species
(Istanbul Univ, 2020)Background and Aims: The aim of the present study was to review and compare the morphological, micromorphological, and anatomical characteristics between Trinia scabra Boiss. & Noe and T. glauca (L.) Dumort. Methods: ... -
An important hybrid zone: evidence for two natural homoploid hybrids among three Origanum species
(Finnish Zoological Botanical Publishing Board, 2020)Based on combined results of different approaches we describe two new natural hybrids, Origanum x bilgilii Dirmenci, T. Yazici & Arabaci and O. x dumanii Dirmenci, Arabaci & T. Yazici from southern Turkey (Antalya). They ...