Download [PDF] 2012 CAIE P1 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 1113/01/SM/12 for examination from 2012 mark schemes paper 1 - Cambridge Assessment International Education.
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[PDF] 2012 CAIE P1 Mark Schemes 1113 Science Specimen Cambridge Lower Secondary Checkpoint.pdf | Plain Text

This document consists of 6 printed pages. © UCLES 2011 [Turn over UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge Checkpoint SCIENCE 1113/01 Paper 1 For Examination from 2012 SPECIMEN MARK SCHEME 45 minutes MAXIMUM MARK: 50

2 © UCLES 2011 1113/01/SM/12 Question 1 Part Mark Answer Further Information (a) 3 A cytoplasm B cell wall C nucleus (b) 1 for photosynthesis / to absorb light (c) 2 cell wall (large) vacuole chloroplast any two for 1 mark each If three answers given and one is wrong, give 1 mark only. Total 6 Question 2 Part Mark Answer Further Information (a) 2 moving particles of air hit sides (b) 2 speed up collide with each other with more force collide more often move apart any two from the list (c) 1 bigger / enlarge / burst / hotter Total 5

3 © UCLES 2011 1113/01/SM/12 [Turn over Question 3 Part Mark Answer Further Information (a) 2 acid (burns) wear safety specs / wear protective clothing (b) 1 40 (c) (i) (ii) 1 1 6 The calcium carbonate has all reacted. (d) 2 mass of marble chips / calcium carbonate size of marble chips / calcium carbonate concentration of acid any two, 1 mark each Total 7 Question 4 Part Mark Answer Further Information (a) (i) (ii) (iii) 1 1 1 straight line through both holes onto screen line drawn to show it hitting card B / missing hole in card B light travels in straight lines Accept cannot pass through card. (b) 2 2 straight lines, both through hole lines hitting the screen, crossing over each other Total 5

4 © UCLES 2011 1113/01/SM/12 Question 5 Part Mark Answer Further Information (a) 2 insect: 3 pairs jointed legs Accept arthropod, exoskeleton and jointed legs. (b) 2 A is Nepa cinerea B is Ilyocoris cimicoides Total 4 Question 6 Part Mark Answer Further Information (a) 2 food must have a wide variety / contain all the essential nutrients these should be in the correct amounts / proportions (b) 1 to provide fresh meat / eggs / source of protein Accept: They could not preserve some foods very easily. Animals may produce young. (c) (i) (ii) (iii) (iv) 1 1 1 1 disease caused by the lack of an important nutrient e.g. vitamin or mineral bleeding gums / sores which will not heal lack of vitamin C fruit contains vitamin C / he ate jam / he ate fruit If error in (c) (iii), mark (c) (iv) according to answer in (c) (iii). Total 7

5 © UCLES 2011 1113/01/SM/12 [Turn over Question 7 Part Mark Answer Further Information (a) 1 D (b) 1 B (c) 2 wave centred on horizontal line and touching first line above and below it (as in B) wave has one peak and one trough (as in D) Total 4 Question 8 Part Mark Answer Further Information (a) (i) (ii) 2 1 remains of living organism changed to rock / preserved in rock B and C allow named living organism allow equivalent of rock, e.g. stone both required for mark (b) 1 by the (hot) magma / by rock E Total 4 Question 9 Part Mark Answer Further Information (a) 1 larger than (b) 1 smaller than (c) 1 the same as Total 3

6 © UCLES 2011 1113/01/SM/12 Question 10 Part Mark Answer Further Information 5 F C A H G E B correct order scores 5 allow one mark if: starts with F ends with B has AHG (in that order) anywhere has HE (in that order) anywhere Total 5