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Required Practicals — the full checklist

All 21 AQA Combined Science Required Practicals across Biology, Chemistry and Physics, with the goal of each one. Tick them off as you complete them — your progress saves automatically.

In SoloLab, every Required Practical is rebuilt as an interactive virtual lab — and each attempt logs the exam-board skills (AT / WS / MS) it covers. For the full method, safety and skills breakdown of each one, see the RP revision sheets. This checklist covers the AQA Combined Science RPs.

Biology

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Bio RP1MicroscopyPrepare and view slides of plant and animal cells under a light microscope, and make labelled drawings. Bio RP2OsmosisInvestigate how the concentration of a sugar/salt solution affects the mass of plant tissue (osmosis). Bio RP3Food TestsUse chemical tests to identify starch, sugars, proteins and lipids (fats) in food samples. Bio RP4EnzymesInvestigate how pH (or temperature) affects the rate at which an enzyme breaks down its substrate. Bio RP5PhotosynthesisInvestigate how light intensity affects the rate of photosynthesis (e.g. bubbles of oxygen per minute). Bio RP6Reaction TimeInvestigate how a chosen factor (e.g. caffeine, practice) affects human reaction time. Bio RP7Field InvestigationUse sampling techniques (quadrats and transects) to study the distribution and abundance of organisms.

Chemistry

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Chem RP1Making a Soluble SaltMake a pure, dry sample of a soluble salt from an insoluble base (oxide or carbonate) and an acid. Chem RP2ElectrolysisInvestigate what is produced at each electrode when aqueous solutions are electrolysed. Chem RP3Temperature ChangesMeasure the temperature change in exothermic and endothermic reactions and investigate a variable. Chem RP4Rates of ReactionInvestigate how concentration (or surface area / temperature) affects the rate of a reaction. Chem RP5ChromatographySeparate the dyes in inks using paper chromatography and calculate R_f values. Chem RP6Water PurificationAnalyse and purify water samples using filtration and distillation, testing pH and dissolved solids. Chem RP7Identifying IonsUse chemical tests (flame tests and precipitates) to identify unknown ions in solution.

Physics

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Phys RP1DensityMeasure the density of regular and irregular solids and of liquids, using mass and volume (displacement). Phys RP2Specific Heat CapacityFind the specific heat capacity of a material by heating it with an electric heater and measuring energy in. Phys RP3ResistanceInvestigate how the length of a wire affects its resistance (and, separately, components in series/parallel). Phys RP4I–V CharacteristicsInvestigate the current–voltage graphs of a resistor, a filament bulb and a diode. Phys RP5Force and ExtensionInvestigate the relationship between the force on a spring and its extension (Hooke's Law). Phys RP6AccelerationInvestigate how force and mass affect the acceleration of an object (Newton's Second Law). Phys RP7Infrared RadiationInvestigate how the colour and texture of a surface affects how much infrared radiation it emits/absorbs.

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SoloLab rebuilds every practical as an interactive virtual lab, and each RP has a condensed revision sheet. Try one free, or create a free account to start.

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