Abstract:This research presents the efforts, to help students, hindered during the COVID19 pandemic, to learn chemistry. With the pandemic, Portuguese students that enrolled in the 10th grade in September 2021, had lower experience in the experimental work, since practical classes at school were suspended from mars 2019 to September 2021. So, students had difficulties in measuring or working with simple laboratory apparatus. They had difficulties in giving meaning to the experimental procedure, describing an observatio… Show more
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