Feedback on GCSE Science Double Award Chemistry Double

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Feedback on GCSE Science (Double Award) – Chemistry

Feedback on GCSE Science (Double Award) – Chemistry

Double Award Unit 2 Foundation Tier Maximum mark = 60 Grade boundary Cumulative %

Double Award Unit 2 Foundation Tier Maximum mark = 60 Grade boundary Cumulative % at grade Mean mark = 22. 1 Entry = 16362 C D E F G 29 24 19 14 9 26. 8 45. 2 63. 7 78. 7 89. 9

Double Award Unit 2 Foundation Tier

Double Award Unit 2 Foundation Tier

Double Award Unit 2 Higher Tier Maximum mark = 60 Mean mark = 18.

Double Award Unit 2 Higher Tier Maximum mark = 60 Mean mark = 18. 4 Entry = 7628 A* A B C D Grade boundary 31 25 19 13 7 Cumulative % at grade 8. 9 21. 5 45. 1 74. 4 95. 1

Double Award Unit 2 Higher Tier

Double Award Unit 2 Higher Tier

Double Award Unit 2 Foundation tier only questions QUESTION 3 – chromatography FF 19

Double Award Unit 2 Foundation tier only questions QUESTION 3 – chromatography FF 19 Only one substance given

Double Award Unit 2 Foundation tier only questions QUESTION 3 – chromatography Part (c)

Double Award Unit 2 Foundation tier only questions QUESTION 3 – chromatography Part (c) well done Part (d) – not attempted by 1 in 4; poor knowledge

Double Award Unit 2 Foundation tier only questions QUESTION 4 – plate tectonics FF

Double Award Unit 2 Foundation tier only questions QUESTION 4 – plate tectonics FF 85 Rounding 0. 895 to 0. 89 penalised

Double Award Unit 2 Foundation tier only questions QUESTION 5 – metals (PISA-style) FF

Double Award Unit 2 Foundation tier only questions QUESTION 5 – metals (PISA-style) FF 7 Would more have gained a mark if we’d asked for the formula of sodium sulfate?

Double Award Unit 2 Foundation tier only questions QUESTION 6 – fluoridation of water

Double Award Unit 2 Foundation tier only questions QUESTION 6 – fluoridation of water (QER) FF 19 Surprisingly poorly answered, weak discussion of reasons to oppose fluoridation

Double Award Unit 2 Foundation tier only questions QUESTION 7 – reaction rate FF

Double Award Unit 2 Foundation tier only questions QUESTION 7 – reaction rate FF 45 Many used a mass rather than a decrease in mass

Double Award Unit 2 Common questions QUESTION 8/1 – elements and Group 1 FF

Double Award Unit 2 Common questions QUESTION 8/1 – elements and Group 1 FF 56; 83 FF 26; 46

Double Award Unit 2 Common questions QUESTION 9/2 – the atmosphere Part (c) 70%

Double Award Unit 2 Common questions QUESTION 9/2 – the atmosphere Part (c) 70% attempt rate on FT; FF 12 FF 55 on HT Overall FF 14 for question 9 on FT; 41 on HT

Double Award Unit 2 Higher tier only questions QUESTION 3 – ion tests FF

Double Award Unit 2 Higher tier only questions QUESTION 3 – ion tests FF 20 Surprisingly poor knowledge of simple tests

Double Award Unit 2 Higher tier only questions QUESTION 4 – solubility FF 6

Double Award Unit 2 Higher tier only questions QUESTION 4 – solubility FF 6 Understanding of practical work

Double Award Unit 2 Higher tier only questions QUESTION 4 – solubility FF 6

Double Award Unit 2 Higher tier only questions QUESTION 4 – solubility FF 6 No knowledge of method given in Guidance for Teachers

Double Award Unit 2 Higher tier only questions QUESTION 5 – percentage by mass

Double Award Unit 2 Higher tier only questions QUESTION 5 – percentage by mass FF 21 Unable to rearrange equation

Double Award Unit 2 Higher tier only questions QUESTION 6 – hard water (QER)

Double Award Unit 2 Higher tier only questions QUESTION 6 – hard water (QER) FF 17 Candidates often answered their own similar question

Double Award Unit 2 Higher tier only questions QUESTION 7 – Group 7 FF

Double Award Unit 2 Higher tier only questions QUESTION 7 – Group 7 FF 9; little idea of this difficult area of the specification; incorrect formulae in equation FF 19; most common mark was for finding relative mass on 2 Fe and 3 Cl 2

Double Award Unit 2 Higher tier only questions QUESTION 8 – hydrogen peroxide decomposition

Double Award Unit 2 Higher tier only questions QUESTION 8 – hydrogen peroxide decomposition and rate of reaction (PISA-style) FF 9 Failed to calculate change in mass and time Precision of language and expression an issue here

Double Award Unit 5 Foundation Tier Maximum mark = 60 Grade boundary Cumulative %

Double Award Unit 5 Foundation Tier Maximum mark = 60 Grade boundary Cumulative % at grade Mean mark = 20. 0 Entry = 12862 C D E F G 23 19 16 13 10 38. 0 56. 0 68. 7 80. 1 89. 6

Double Award Unit 5 Foundation Tier

Double Award Unit 5 Foundation Tier

Double Award Unit 5 Higher Tier Maximum mark = 60 Mean mark = 19.

Double Award Unit 5 Higher Tier Maximum mark = 60 Mean mark = 19. 8 Entry = 6857 A* A B C D Grade boundary 33 26 19 12 8 Cumulative % at grade 8. 6 22. 7 49. 5 84. 1 95. 5

Double Award Unit 5 Higher Tier

Double Award Unit 5 Higher Tier

Double Award Unit 5 Foundation tier only questions QUESTION 2 – acids and alkalis

Double Award Unit 5 Foundation tier only questions QUESTION 2 – acids and alkalis FF 25; inexplicably poor

Double Award Unit 5 Foundation tier only questions QUESTION 5 – chemical formulae, metals

Double Award Unit 5 Foundation tier only questions QUESTION 5 – chemical formulae, metals and non-metals FF 19; common incorrect answers in (i) were 3, 6 and 9; most guessed part (ii)

Double Award Unit 5 Common questions QUESTION 6/1 – energy from fuels FF 22

Double Award Unit 5 Common questions QUESTION 6/1 – energy from fuels FF 22 on FT FF 48 on HT Measurements before and after heating required

Double Award Unit 5 Higher tier only questions QUESTION 2 – bonding FF 49;

Double Award Unit 5 Higher tier only questions QUESTION 2 – bonding FF 49; variety of errors FF 20; reference to charge size required FF 40; single bonds only

Double Award Unit 5 Higher tier only questions QUESTION 3 – displacement reactions FF

Double Award Unit 5 Higher tier only questions QUESTION 3 – displacement reactions FF 18 Reference to zinc gaining/copper losing electrons or to gain/loss of oxygen

Double Award Unit 5 Higher tier only questions QUESTION 4 – salt preparation and

Double Award Unit 5 Higher tier only questions QUESTION 4 – salt preparation and ion testing FF 21 Omission of volumes required was the main weakness

Double Award Unit 5 Higher tier only questions QUESTION 4 – salt preparation and

Double Award Unit 5 Higher tier only questions QUESTION 4 – salt preparation and ion testing FF 15; incorrect products and poor knowledge of ion tests FF 36; better answered than in previous years

Double Award Unit 5 Higher tier only questions QUESTION 6 – isomerism FF 18

Double Award Unit 5 Higher tier only questions QUESTION 6 – isomerism FF 18 Correct definition of isomerism; poor diagrams of structures

Any Questions?

Any Questions?