15 unscaffolded investigation: e.g. apply investigative specific heat capacity of a material approaches & methods 16 use a ball method to b, c, d determine the viscosity of a liquid 17 use ICT to analyse collisions a, k between small spheres, e.g. ball bearings on a table top 18 determine the specific latent heat of a f, g, k phase change 19 investigate the relationship between a, d the force exerted on an object and its change of momentum 20 determine speed of sound in air using a, h, i a 2-beam oscilloscope, signal generator, speaker and mic NOTES 1 Some external monitoring will be put in place to ensure that the endorsement system works (Ofqual to report Spring 2015). 2 Students will need to keep a record of their practical activities, but the method of recording is expected to be flexible (e.g. lab book, folder or eportfolio). Likewise teachers will be expected to record what practicals are done, noting students present and any failing to demonstrate a competence (easiest done with a spreadsheet, which AOs will very likely provide). 3 Quite apart from the 12 required practicals, teachers may offer other opportunities for skills development. 4 Practical Activity Group is which may involve online and offline research. OCR’s 12th ‘Research skills’,
15 unscaffolded investigation: e.g. specific heat capacity of a material apply investigative approaches & methods 16 use a ball method to determine the viscosity of a liquid b, c, d 17 use ICT to analyse collisions between small spheres, e.g. ball bearings on a table top a, k 18 determine the specific latent heat of a phase change f, g, k 19 investigate the relationship between the force exerted on an object and its change of momentum a, d 20 determine speed of sound in air using a 2-beam oscilloscope, signal generator, speaker and mic a, h, i NOTES 1 Some external monitoring will be put in place to ensure that the endorsement system works (Ofqual to report Spring 2015). 2 Students will need to keep a record of their practical activities, but the method of recording is expected to be flexible (e.g. lab book, folder or eportfolio). Likewise teachers will be expected to record what practicals are done, noting students present and any failing to demonstrate a competence (easiest done with a spreadsheet, which AOs will very likely provide). 3 Quite apart from the 12 required practicals, teachers may offer other opportunities for skills development. 4 OCR’s 12th Practical Activity Group is ‘Research skills’, which may involve online and offline research.
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