Download [PDF] 2014 CAIE P2 Mark Schemes 1113 Science Specimen Cambridge Lower Secondary Checkpoint

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Description:	Download file or read online CAIE Cambridge primary checkpoint specimen paper Science 1113/02/SM/14 for examination from 2014 mark schemes paper 2 - Cambridge Assessment International Education.
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[PDF] 2014 CAIE P2 Mark Schemes 1113 Science Specimen Cambridge Lower Secondary Checkpoint.pdf | Plain Text

This document consists of 7 printed pages and 1 blank page. IB14 1113_02_SM/2RP © UCLES 2014 [Turn over Cambridge International Examinations Cambridge Checkpoint SCIENCE 1113/02 Paper 2 For Examination from 2014 SPECIMEN MARK SCHEME MAXIMUM MARK: 50

2 © UCLES 2014 1113/02/SM/14 Question 1 Part Mark Answer Further Information (a) 3 part flower leaf root stem function photsynthesis absorption of water transport of water and minerals reproduction 3 or 4 correct = 3 marks 2 or 3 correct = 2 marks 1 correct = 1 mark Accept line from root to transport of water and minerals (b) 2 + + (carbon dioxide) (glucose) water oxygen water / H 2O as reactant = 1 mark oxygen / O 2 as product = 1 mark Total 5 Question 2 Part Mark Answer Further Information 2 5 correct = 2 marks 3 or 4 correct = 1 mark 1 or 2 correct = 0 mark Accept non-metal for last row (graphite) metal or non-metal metal metal non-metal non-metal metal Total 2

3 © UCLES 2014 1113/02/SM/14 [Turn over Question 3 Part Mark Answer Further Information (a) 1 The person does not sink into the snow because the force acts on a larger area so that the pressure is less. All three in correct order needed = 1 mark (b) 1 The edge of the sharp knife has a smaller area so the force acting on the knife produces a larger pressure . All three in correct order needed = 1 mark Total 2 Question 4 Part Mark Answer Further Information (a) 1 so they start with same amounts / allows comparisons to be made / controls a variable Accept a fair test (b) 1 so the algae could grow (c) 2 (colour of algae) gets darker / increases / greener gets lighter / decreases (after concentration of 4) Accept (colour is) greatest at concentration of 4 / darkest at concentration of 4 = 2 marks (d) 1 When the concentration of magnesium sulfate is 4 the algae grow fastest. Total 5 Question 5 Part Mark Answer Further Information (a) 1 iron (b) 1 mercury (c) 1 oxygen Total 3

4 © UCLES 2014 1113/02/SM/14 Question 6 Part Mark Answer Further Information (a) (i) 1 B (ii) 1 A (iii) 1 E (b) 1 (idea of) Venus is reflecting light from the Sun Total 4 Question 7 Part Mark Answer Further Information (a) 3 chloroplast cell wall (large) vacuole 1 mark for each correct answer (b) 1 chloroplast Ignore chlorophyll Total 4 Question 8 Part Mark Answer Further Information (a) 1 mantle Do not accept magma (b) 1 iron (c) 1 More than one tick = 0 marks 1.1 million years old 1200 million years old 2100 million years old 3200 million years old 4600 million years old
Total 3

5 © UCLES 2014 1113/02/SM/14 [Turn over Question 9 Part Mark Answer Further Information (a) 1 300 (MJ) (b) 1 600 (MJ) Total 2 Question 10 Part Mark Answer Further Information (a) 1 convection (b) 1 conduction Total 2 Question 11 Part Mark Answer Further Information (a) 1 oesophagus Accept gullet (b) 1 stomach (c) 2 organ large intestine small intestine stomach function food is mixed up into a creamy liquid digests proteins, carbohydratesand fats and absorbs water, amino acids, sugars and fatty acids absorbs water food is chewed into smaller pieces 3 correct = 2 marks 2 correct = 1 mark 1 correct = 0 mark Total 4

6 © UCLES 2014 1113/02/SM/14 Question 12 Part Mark Answer Further Information (a) 2 (6cm) = 2 (11cm) = 1.5 (b) 1 the amplitude does not change with distance the amplitude decreases with distance
the amplitude increases with distance there is no pattern in the results Total 3 Question 13 Part Mark Answer Further Information (a) 1 acid alkali catalyst
metal (b) (i) 1 temperature (ii) 1 Any one from: concentration of hydrogen peroxide / volume of hydrogen peroxide / amount of hydrogen peroxide amount of catalyst Ignore same apparatus Accept particle size of the manganese (IV) oxide Total 3

7 © UCLES 2014 1113/02/SM/14 Question 14 Part Mark Answer Further Information (a) 1 aluminium copper iron lead (b) 2 carbon dioxide hydrogen nitrogen oxygen water 1 mark for each (c) 1 paint Accept coat in oil / galvanise Do not accept cover unqualified Total 4 Question 15 Part Mark Answer Further Information 2 either way round A (and) E 2 correct = 2 marks 3 written, 2 correct = 1 mark 4 written, 2 correct = 0 marks Total 2 Question 16 Part Mark Answer Further Information 2 The car is slowing down. The forces that slow the car down are air resistance and friction . Any order 1 mark for each Total 2

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