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  1. 1. De naturvetenskapliga ämnesspråken : De naturvetenskapliga uppgifterna i och elevers resultat från TIMSS 2011 år 8

    Författare :Tomas Persson; Caroline Liberg; Åsa af Geijerstam; Jonas Almqvist; Maria Andrée; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; science education; scientific language; assessment; readability formulas; student achievement; vocabulary; systemic functional linguistics; corpus linguistics; student achievement; Curriculum Studies; Didaktik;

    Sammanfattning : This thesis examines the scientific language in different subjects by analysing all grade 8 science items from TIMSS 2011, using four characteristic meaning dimensions of scientific language – Packing, Precision and Presentation of information, and the level of Personification in a text. The results, as well as results from established readability measures, are correlated with test performances of different student groups. LÄS MER

  3. 2. Lab work in science education : Instruction, inscription, and the practical achievement of understanding

    Författare :Oskar Lindwall; Berner Lindström; Tim Koschmann; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Lab work; science education; educational technology; classroom interaction; ethnomethodology; naturvetenskapliga laborationer; IT i utbildning; klassrumsstudier; etnometodologi; Education; Pedagogik;

    Sammanfattning : Taking an analytical perspective founded on ethnomethodology and conversation analysis, the four studies presented in this thesis provide detailed analyses of video recorded lab work in mechanics at secondary and university level. The investigated activities all build on educational design afforded by a technology called probeware. LÄS MER

  4. 3. Barn resonerar kring naturvetenskapliga fenomen : i sagans värld på förskolan

    Författare :Mimmi Malm; Utbildningsvetenskap; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; experiment; handdocka; förskola; naturvetenskapliga fenomen; sagoundervisning;

    Sammanfattning : .... LÄS MER

  5. 4. Hur undervisning och guidade naturvetenskapliga undersökningar kan stödja elevers kreativitet

    Författare :Malin Jonsson; Leif Östman; Malena Lidar; Jesus Piqueras Blasco; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; naturvetenskaplig undervisning; fysikundervisning; naturvetenskapliga undersökningar; högstadiet no-undervisning; kreativitet; engagemang; PEA; didaktik explorativ studie; Curriculum Studies; Didaktik;

    Sammanfattning : The use of guided instructions are often debated in science education research, but nevertheless often used in lower secondary school. The aim of this licentiate thesis is to contribute to knowledge about science education in lower secondary school when pupils’ do lab work using guided instructions. LÄS MER

  7. 5. Future stratospheric ozone depletion will affect a subarctic dwarf shrub ecosystem

    Författare :Ulf Johanson; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Vaccinium; UVB; subarctic; shoot growth; ozone depletion; leaf thickness; irradiation system; heath ecosystem; Empetrum; dwarf shrubs; Calamagrostis; decomposition; Physiological biophysics; Växtfysiologi;

    Sammanfattning : The stratospheric ozone depletion and the concomitant increase in ultraviolet-B (UV-B, 280-320 nm) radiation is of global concern due to the effects of UV-B on living organisms. To investigate the effects of increased levels of UV-B, a field irradiation system was established at a subarctic dwarf shrub heath in Northern Sweden (68 °N). LÄS MER