Developing and evaluating a multiple-choice knowledge test about Brønsted-Lowry acid-base reactions for upper secondary school students

RE Krebs, M Rost, A Lembens - Chemistry Teacher International, 2023 - degruyter.com
For centuries, chemists have researched acid-base reactions and developing numerous
different acid-base concepts. Consequentially, it is difficult to teach about acid-base …

„Protons as the main drivers of a chemical reaction?”–educational reconstruction of the Brønsted‐Lowry acid‐base concept for upper secondary school

RE Krebs, E Hofer, A Lembens - CHEMKON, 2023 - Wiley Online Library
Als geschichtlich und fachwissenschaftlich zentraler Reaktionstyp stellen Säure‐Base‐
Reaktionen einen wichtigen Bestandteil fachdidaktischer Forschung dar. Zu diesem Thema …

''Acids are those dangerous green liquids, and what'sa base?'': Evaluating upper secondary students''acceptance'of a learner-appropriate approach to teaching about …

R Krebs, A Lembens - Progress in Science Education (PriSE), 2024 - e-publishing.cern.ch
Background: A central issue in chemistry education is the Johnstone triangle. The
complexity of the chemical topic and the learners' propensity for conflating the levels of the …

[PDF][PDF] Evaluating A Teaching-Learning Sequence (TLS) About Acid-Base Reactions In Upper Secondary School

R Krebs¹, M Rost¹, E Hofer… - Proceedings Book Series-I, 2023 - researchgate.net
Acid-base chemistry plays an important role in our lives because of its real-world
applications (biochemical and industrial processes including acid-base reactions, everyday …

[PDF][PDF] ''An acid is that green stuff that's dangerous, and what'sa base?''–Teaching about Acid-Base Reactions in Upper Secondary School

R Krebs - eBook of Synopses, 2022 - esera.org
Research Design and Methods Figure 1 gives an overview of the research design. The
study's KIs emerged from our problem analysis (cf. theoretical background) and a …

[PDF][PDF] Säure-Base-Reaktionen in der SEK II–Evaluierung einer Lernumgebung

R Krebs, A Lembens - researchgate.net
Das hier vorgestellte DBR-Projekt wurde in zwei Phasen durchgeführt, einer Vor-und
Hauptstudie (Abb. 1). Im Zuge der Vorstudie (N= 18) wurde ein einfaches mehrteiliges …

[PDF][PDF] „Säuren & Basen “in der SEK II–von Key Ideas zur Lerngelegenheit

RE Krebs, A Lembens - researchgate.net
Beitrag GDCP Tagungsband 2021 Page 1 Rita Elisabeth Krebs1 Anja Lembens1 1Universität
Wien „Säuren & Basen“ in der SEK II – von Key Ideas zur Lerngelegenheit Eine zentrale …