All articles by Sandrine Bouchelkia
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Practical videoEnthalpy change of combustion of ethanol | practical videos | 14–16 years
Video and resources investigating the heat energy change of combustion of ethanol
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Practical videoSimple distillation | practical videos | 14–16 years
Video and resources showing how to separate water from a coloured solution
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Practical videoPaper chromatography | practical videos | 14–16 years
Video and resources showing how to separate colours in inks using paper chromatography
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Practical videoRates of reaction | practical videos | 14–16 years
Video and resources showing how the concentration of sodium thiosulfate solution affects its rate of reaction with hydrochloric acid
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Class experimentAcid–base back titration | 16–18 years
Write balanced equations and calculate reacting masses and moles to find the limiting reagent
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Feature7 tips to weather the cost of living crisis
Use these thrifty ideas to reduce the impact of the economic downturn in your classroom
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Class experiment‘Gold’ coins on a microscale | 14–16 years
Practical experiment where learners produce ‘gold’ coins by electroplating a copper coin with zinc, includes follow-up worksheet
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Ideas12 top tips for safe science in your school
Advice for technicians (and teachers) on safely opening up the prep room and on ensuring a successful start to practical work
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Practical videoPreparation of an organic liquid | practical videos | 16–18 students
Video and supporting resources to support practical work based on synthesis of an organic liquid, the experiment includes the stages of preparation, separation and purification
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Practical videoQualitative tests for organic functional groups | practical videos | 16–18 students
Video and supporting resources to support a practical investigation to identify organic functional groups using a range of qualitative tests
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Practical videoElectrochemical cells | practical videos | 16–18 students
Video and supporting resources to support electrochemistry practical work, including two microscale experiments, animation and cell diagrams
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Practical videoRates of reaction | practical videos | 16–18 students
Video and supporting resources, includes an initial rate (iodine clock reaction) and continuous monitoring method (volume of gas)
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Practical videoReactivity of metals | practical videos | 14–16 years
Video with supporting resources featuring three experiments investigating the relative reactivity of metals, including metal displacement reactions in microscale
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Practical videoConservation of mass | practical videos | 14–16 years
Video and supporting resources for two practical experiments exploring conservation of mass.
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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 videoElectrolysis – fideos ymarferol | myfyrwyr 14–16
Fideo ac adnoddau ategol sy’n ymchwilio i electrolysis hydoddiannau dyfrllyd
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Practical videoElectrolysis – practical videos | 14–16 students
Video and supporting resources investigating electrolysis of aqueous solutions
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Practical videoParatoi halwyn – fideos o dasgau ymarferol | myfyrwyr 14–16
Fideo ac adnoddau sy’n dangos sut mae paratoi halwyn drwy ddefnyddio technegau niwtralu, hidlo, anweddu a grisialu.
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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