Group 4 (Science) Information Session

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# Group 4 (Science) Information Session - PowerPoint PPT Presentation

Group 4 (Science) Information Session. Internal Assessment &amp; Predicted Grades. Standard Level vs. High Level Exam Weight. SL Paper 1 (20%) Paper 2 ( 32% ) Paper 3 ( 24% ) Total = 76% H L Paper 1 (20%) Paper 2 ( 36% ) Paper 3 ( 20% ) Total = 76%. Percentages converted to the IB scale.

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### Group 4 (Science)Information Session

Internal Assessment & Predicted Grades

Standard Level vs. High Level Exam Weight
• SL
• Paper 1 (20%)
• Paper 2 (32%)
• Paper 3 (24%)

Total = 76%

• HL
• Paper 1 (20%)
• Paper 2 (36%)
• Paper 3 (20%)

Total = 76%

Percentages converted to the IB scale
• Each exam (paper 1, 2 and 3) has individual IB boundaries which dictate a number from 1 to 7
• This is a good way to estimate how a student is performing on a consistent bases (BSP = Best Sustained Performance)
• Although, in the end it is the percentage from each paper by its respective weight that is used to determine the IB number from the overall 1 to 7 boundary, for example:
• Paper 1 mark (25/40 = 62.5%)
• 0.625 x 20 (weight of paper 1) = 12.5
• Therefore this paper 1 mark is contributing 12.5 out of a potential 20 to an overall percentage out of 100
Internal Assessment (IA) (24%)
• Teachers take your best two D, DCP, and CE moderated labs plus PS (Personal Skills from group 4 project) and MS (Manipulative Skills from overall practical work) marks to tabulate your overall Internal Assessment mark
• 6 labs worth 6 marks each plus 6 marks each for MS and PS totals 48 marks
• Each lab mark is worth 0.5% of your final percentage contributing to a total of 24%
• For every lab that is not handed in you will receive a mark of zero!
• How does this affect your overall IB grade?
Scenario 1
• Comparison between two students with different lab marks but the same exam marks
• They result in different overall IB grades
Scenario 2
• Comparison between two students with the same paper 1 IB grade (3), same lab mark, but different overall IB grades
• This shows the gap between IB grades for an individual paper, for instance, the HL chemistry spread for a 3 is between 4564% which is a difference of 19%
Scenario 3
• No Labs = Grade drops by at least 18% from overall percentage assuming the student achieves perfect marks for MS and PS
All Labs Are Due March 14th
• We will predict your grade to the best of our ability but inevitably you determine your grade in the end
• Learn from your mistakes on the mocks and do the best you can on the May exams!
• Good luck!
• Thank you!
• The Science Department