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Dayal, Priya Dharshni; Ali-Chand, Zakia – New Zealand Journal of Educational Studies, 2022
This paper discusses the significance of model-based teaching on the topic of ionic and metallic bonding in Year 12 Chemistry in a New Zealand secondary school. Based on the conceptualization of the sub-macro level understanding of the bonding structure and properties of ionic and metallic compounds, models and drawings were used as an effective…
Descriptors: Science Instruction, Teaching Methods, Chemistry, Models
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Kakisako, Mami; Nishikawa, Kazuyuki; Nakano, Masayoshi; Harada, Kana S.; Tatsuoka, Tomoyuki; Koga, Nobuyoshi – Journal of Chemical Education, 2016
This study focuses on the design of a learning program to introduce complexometric titration as a method for determining water hardness in a high school chemistry laboratory. Students are introduced to the different properties and reactions of hard water in a stepwise manner so that they gain the necessary chemical knowledge and conceptual…
Descriptors: Science Instruction, High School Students, Water, Chemistry