Understanding Standards Advanced Higher Chemistry November 2016
Welcome Introducing the Advanced Higher Team Principal Assessor Senior Team Leaders Team Leaders
Aims of the Day To support attendees in their understanding of national standards. paper construction national marking standards and quality control grade boundaries review of candidate evidence with respect to the Marking Instructions
Timetable for the day Registration, Tea and Coffee 09:00 – 09:30 Welcome 09:30 – 09:35 Morning Workshops 09:35 – 12:00 Lunch 12:00 – 12.45 Afternoon Workshops 12:45 – 15:15 Close 15:15
Understanding Standards Question Paper
Activities for the Session Paper construction and grade boundaries 10 min Calculations 45 min Open-ended questions 45 min Challenging points (2016) 45 min Full papers
The Paper Construction Process Writing team: Principal Assessor and 3 writers 2 x paper checking meetings Pre-review: Principal Assessor, Writers, Qualification Manager/Qualification Officer and Reviewers Paper Review: Principal Assessor, Qualification Manager/Qualification Officer and Reviewers Paper Validation: Teacher and Lecturer Final proof checked: Principal Assessor
Marking and Quality Control Process Standardisation: Principal Assessor, Senior Team Leaders and Team Leaders Marking: Marker briefing, practice and qualification Seeded papers and additional sampling Marker Reports Exceptional Circumstances Marking Review
Setting Grade Boundaries Marker Reports The analysis grid for the paper Statistics: facility values; discrimination Grade boundary meeting: Senior SQA personnel Did the assessment perform as predicted?
Understanding Standards Question Paper Workshop 1 Calculations
Units Common mistakes: KJ or kJ Kelvin Equilibrium constant - K mol-1 or mol l-1 Rate constant - k
Significant Figures
Significant Figures Fewest number of significant figures in data is 2.
Significant Figures Answer in calculator: -127.5168 Answer should be to 2 significant figures. -130 However, 1 fewer is acceptable: -100 and up to two more are also acceptable: -128 -127.5
Understanding Standards Question Paper Workshop 2 Open-ended Questions
Marked holistically: Good understanding 3 marks Reasonable understanding 2 marks Limited understanding 1 marks No understanding 0 marks A good understanding is not an excellent one.
Understanding Standards Question Paper Workshop 3 Points of Challenge
Q3(a)(i) d-d splitting and paramagnetism
Q3(b)(ii) d-d splitting and paramagnetism
Q3 d-d splitting and paramagnetism
Q7(b)(ii) Rotation of plane polarised light Racemic mixtures
Q7(b)(ii) Rotation of plane polarised light Racemic mixtures
Q7(c) Reaction mechanisms Curly arrows Atom connectivity
Q9(b)(i) Apparatus diagram
Q9(b)(i) Apparatus diagram
Q9(b)(ii) Solubility of products
Q9(b)(iii) pH of salt solutions
Q9(b)(iv) Choice of solvent in recrystallisation
Understanding Standards Full Papers and General Discussion Question Paper Full Papers and General Discussion