Results 11 to 20 of about 821,446 (263)

O trabalho experimental no ensino de Química

open access: yesQuímica Nova, 2012
This article deals with conceptions of the experimental work in the Chemistry teaching, developed among teachers and students. The research was carried out using qualitative methodology, based on Gaston Bachelard's thoughts. The results showed dispersion
Soraia Freaza Lôbo
doaj   +1 more source

SPECIAL ISSUE DEDICATED TO THE 10TH ANNIVERSARY OF THE CHEMISTRY JOURNAL OF MOLDOVA. GENERAL, INDUSTRIAL AND ECOLOGICAL CHEMISTRY [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2016
Ten years ago, in 2006, CHEMISTRY JOURNAL OF MOLDOVA. General, Industrial and Ecological Chemistry was founded by the Institute of Chemistry of Academy of Sciences of Moldova and Moldova State University. Chemistry Journal of Moldova is an open access,
Gheorghe DUCA
doaj   +1 more source

Effectiveness of Student Learning during Experimental Work in Primary School

open access: yesActa Chimica Slovenica, 2017
The aim of the research was to optimize the effectiveness of student learning based on experimental work in chemistry classes in Slovenian primary schools.
Ana Logar   +2 more
doaj   +1 more source

Furfural - da biomassa ao laboratório de química orgânica

open access: yesQuímica Nova, 2012
The goal of this manuscript is provide to students of Chemistry and related areas an alternative experiment in which they can obtain a compound and learn to observe and interpret properties and predict organic structure by obtaining furfural from biomass.
Paulo Roberto Ribeiro   +4 more
doaj   +1 more source

Problem situations as a means of improving experimental knowledge in the process of teaching chemistry in secondary schools [PDF]

open access: yesE3S Web of Conferences, 2023
This article discusses the methods of teaching chemistry in secondary schools, a means of improving the formation of students, the main tasks of teaching chemistry, experimental knowledge, the immediate level of knowledge, a search heuristic conversation
Bekturganova Zulfiya   +3 more
doaj   +1 more source

ATIVIDADES EXPERIMENTAIS INVESTIGATIVAS NA DISCIPLINA DE QUÍMICA: PERSPECTIVAS E POSSIBILIDADES

open access: yesColloquium Humanarum, 2014
The objective was point the potential benefits of the experimental investigative activities against learning of chemical concepts in a (re)construction of knowledge.
Débora Cristina Curto da Costa Bocato
doaj   +1 more source

MoS2 nanopore identifies single amino acids with sub-1 Dalton resolution

open access: yesNature Communications, 2023
The sequencing of single protein molecules using nanopores is faced with a huge challenge due to the lack of resolution needed to resolve single amino acids. Here we report the direct experimental identification of single amino acids in nanopores.
Fushi Wang   +5 more
doaj   +1 more source

THE EXPERIMENTAL VIEWPOINT IN CHEMISTRY* [PDF]

open access: yesSchool Science and Mathematics, 1908
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openaire   +2 more sources

An augmented reality-based virtual chemistry laboratory to support educational and research activities of 11th grade students

open access: yesОсвітній вимір, 2023
The organization of high school students' research and learning activities in chemistry requires a significant amount of experimental work. The performance of experimental work in chemistry at school faces a number of problems, both purely material and ...
Pavlo P. Nechypurenko   +2 more
doaj   +1 more source

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