All articles by Dorothy Warren – Page 2
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IdeasHow to make the most of practical videos
Use these four strategies to ensure successful learning – whether remote learning or in school
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Practical videoDisplacement reactions – practical videos | 14–16 students
Video and resources investigating the displacement reactions between the halogens chlorine, bromine and iodine and their respective halides in microscale
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Practical videoPreparing a salt – practical videos | 14–16 students
Video and resources showing how to prepare a salt using neutralisation, filtration, evaporation and crystallisation techniques.
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Practical videoIdentifying ions – practical videos | 14–16 students
Video resource showing how to identify ions in various solutions. Flame tests, sodium hydroxide test (microscale) and tests for negative ions: carbonate, sulfate and halide ions
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CPD articleApplying practical knowledge to unfamiliar contexts
Prepare students to use their learning in different situations
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DemonstrationThe sublimation of air freshener | 11–14 years
Use this experiment to demonstrate sublimation, showing how solid air freshener changes directly from a solid to a gas. Includes kit list and safety instructions.
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ResourceSwimming pool chemistry | 16–18 years
Synoptic questions explore structure and bonding, equilibrium and spectrometry and spectroscopy in the context of swimming pools
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CPD articleUsing models
How to overcome the difficulties with teaching scientific models and some warnings about using easily-accessible resources
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CPD articleMoles and titrations
Dorothy Warren describes some of the difficulties with teaching this topic and shows how you can help your students to master aspects of quantitative chemistry
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CPD articleChemical bonding: the octet rules ... OK?
Kay Stephenson and Dorothy Warren explain common misconceptions and show you how you could help your students
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