Values should be quoted as .0 J. Significant figures Added paragraph on or .5, with uncertainty of ±0.3 equipment measuring to half a unit. K. Uncertainties Clarification added to Initial value uncertainty applies to instruments where the user length” section “measuring can set the zero. Previously implied reaction Stopwatch example slightly time ~1 s. changed Changes to Biology handbook Section Change Notes N. Statistical tests in Biology* Section added on teaching Includes information on statistics in Biology teaching statistics during the (AS) year of the course. N. Practical ladders and In required practical 10, the risk exemplar experiments: Biology assessment, trialling and additional information statements have been moved from the Student Sheet to the Teachers’ Notes Changes to Chemistry handbook Section Change Notes H. Cross-board apparatus and Updated both lists AT d and AT h were cut short. techniques and AQA required Practical 4 has been reworded practical activities* with more detail. H. Cross-board apparatus and Amendments to apparatus and Also amended in the specification and the example techniques and AQA required technique references for endorsement tracker. practical activities required practicals 1, 4, 6, 9 and 11. L. Graphing* Graph axes titles in Square root / squared / cubed data and graph” shown on wrong axis. “Manipulated section changed L. Graphing* More complex relationships log(n) now log(x) section small addition and typo log(A), as log(y) corrected = n(log(x)) + log(A) added in example one. N. Practical ladders and The wording of the from Removed references to ‘Notes exemplar experiments: CLEAPSS’ section has been following supplier’s safety data Chemistry amended. sheets. Centres should follow CLEAPSS Hazcards, recipe sheets etc. N. Practical ladders and Wording of point f) of method previously used “Precision” exemplar experiments: changed. incorrectly. Replaced with Chemistry “resolution”.
J. Significant figures Added paragraph on equipment measuring to half a unit. Values should be quoted as .0 or .5, with uncertainty of ±0.3 K. Uncertainties Clarification added to “measuring length” section Stopwatch example slightly changed Initial value uncertainty applies to instruments where the user can set the zero. Previously implied reaction time ~1 s. Changes to Biology handbook Section Change Notes N. Statistical tests in Biology* Section added on teaching statistics in Biology Includes information on teaching statistics during the (AS) year of the course. N. Practical ladders and exemplar experiments: Biology In required practical 10, the risk assessment, trialling and additional information statements have been moved from the Student Sheet to the Teachers’ Notes Changes to Chemistry handbook Section Change Notes H. Cross-board apparatus and techniques and AQA required practical activities* Updated both lists AT d and AT h were cut short. Practical 4 has been reworded with more detail. H. Cross-board apparatus and techniques and AQA required practical activities Amendments to apparatus and technique references for required practicals 1, 4, 6, 9 and 11. Also amended in the specification and the example endorsement tracker. L. Graphing* Graph axes titles in “Manipulated data and graph” section changed Square root / squared / cubed shown on wrong axis. L. Graphing* More complex relationships section small addition and typo corrected log(n) now log(x) log(A), as log(y) = n(log(x)) + log(A) added in example one. N. Practical ladders and exemplar experiments: Chemistry The wording of the ‘Notes from CLEAPSS’ section has been amended. Removed references to following supplier’s safety data sheets. Centres should follow CLEAPSS Hazcards, recipe sheets etc. N. Practical ladders and exemplar experiments: Chemistry Wording of point f) of method changed. “Precision” previously used incorrectly. Replaced with “resolution”.