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”Det är järnet i blodet som väger”: Elevers uppfattningar om materia en kvalitativ undersökning i årskurs 3
Karlstad University, Faculty of Technology and Science.
2007 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesisAlternative title
“It’s the iron in the blood that weighs” : Pupils’ conceptions of matter a qualitative investigation in the 3rd grade (English)
Abstract [en]

The purpose of this investigation was to find out more about students’ spontaneous ideas about properties and transformations of matter. Examples of matter chosen are such which students know about from everyday life and focus is mainly on the questions if students know that all matter has weight and that matter is preserved in transformations.

The method used is semi structured qualitative interviews with individual students. Different experiments were carried out together with the students who afterwards were interviewed. However, the students show varying answers and no generalizations can be done. However, when their conclusions from observations differ from their earlier experiences they trust their eyes. All students know that a human body has weight as well as a grain of dust. They also know that with addition of a colored substance in the water, the mass increases, but more hesitation exists when the additive is sugar. A couple of students are capable of discussing logically sometimes but not at all events.

Abstract [sv]

Undersökningens syfte var att undersöka vad elever i årskurs tre har för spontana uppfattningar om materiens egenskaper och dess transformationer. Exempel på materia som valts är det eleverna känner till i vardagen och undersökningen har främst fokuserat på om eleverna dels vet att all materia väger något samt dels att materia är beständig och inte försvinner vid transformationer.

Metoden som använts är semistrukturerade kvalitativa intervjuer med enskilda elever. Olika försök genomfördes tillsammans med eleverna som sedan intervjuades.

Resultatet visar att eleverna varierar sina svar. Inga generella slutsatser kan dras. Dock kan man se att de grundar sina svar på det de ser och knyter sina föreställningar till sin vardag. När ögats uppfattning inte överensstämmer med erfarenheter litar flertalet elever på ögats observation. Alla elever vet att en människa väger liksom dammkorn. De vet också att vid tillsats av en färgad substans i vatten så ökar massan men fler oklarheter råder vid tillsats av socker. Ett par elever förmår resonera logiskt vid ett tillfälle men inte vid ett annat.

Place, publisher, year, edition, pages
Fakulteten för teknik- och naturvetenskap , 2007. , p. 20p. 20-
Keywords [en]
Science, matter properties, transformation, aggregation forms
Keywords [sv]
Naturvetenskap, materia, egenskaper, transformation, aggregationsformer
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kau:diva-897OAI: oai:DiVA.org:kau-897DiVA, id: diva2:6639
Educational program
Teacher education
Available from: 2007-05-14 Created: 2007-05-14 Last updated: 2014-09-30

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CiteExportLink to record
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