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| Filename: | [PDF] October 2019 CAIE P2 Mark Schemes 0846 Science Cambridge Primary Checkpoint.pdf |
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| Description: | Download file or read online CAIE Cambridge primary checkpoint past exam paper Science 0846/02/O/N/19 October/November 2019 mark schemes paper 2 - Cambridge Assessment International Education. |
[PDF] October 2019 CAIE P2 Mark Schemes 0846 Science Cambridge Primary Checkpoint.pdf | Plain Text
This document consists of 14 printed pages. IB19 10_0846_02/3RP © UCLES 2019 [Turn over Cambridge Assessment International Education Cambridge Primary Checkpoint SCIENCE 0846/02 Paper 2 October 2019 MARK SCHEME Maximum Mark: 50 Published This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Markers were instructed to award marks. It does not indicate the details of the discussions that took place at an Markers’ meeting before marking began, which would have considered the acceptability of alternative answers. Mark schemes should be read in conjunction with the question paper and the End of Series Report. Cambridge will not enter into discussions about these mark schemes.
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 2 of 14 Annotations and abbreviations / OR alternate responses for the same marking point ( ) the words or units in brackets do not need to be stated Accept an acceptable response Do not accept indicates an incorrect response that would contradict another otherwise correct alternative Ignore indicates an irrelevant answer that is not creditworthy, however, full marks can still be achieved even with the answers that are ignored ecf error carried forward, marks are awarded if an incorrect response has been carried forward from earlier working, provided the subsequent working is correct ora or reverse argument Note provides extra information when necessary
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 3 of 14 Question Answer Marks Further Information 1(a) Force is also called mass. Force is measured in kg. Force is measured in m. Forces do not stop objects moving. Forces have direction. 1more than one tick = 0 marks 1(b) rough(er) ground / rough(er) wheels / skateboard on grass 1Accept ideas about increasing friction of wheels e.g. increase area or number (of wheels) in contact with ground Accept idea of increasing mass or weight Question Answer Marks Further Information 2(a) it is a poor electrical conductor / it is a (good) electrical insulator 1Accept does not conduct electricity Accept to protect from electrical shock 2(b) metal 1Accept named metals e.g. copper
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 4 of 14 Question Answer Marks Further Information 3(a) D it dissolves in water / it would leak if it had water in it 2each correct answer = 1 mark 3(b) it is strong 1 Question Answer Marks Further Information 4 The light is then reflected / reflects . The light changes direction / position / angle . We see the light because it enters our eye(s) . 3each correct answer = 1 mark
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 5 of 14 Question Answer Marks Further Information 5 have an internal skeleton do not have an internal skeleton fish (locust) snake worm bat snail 2all correct = 2 marks three or four correct = 1 mark one or two correct = 0 marks can be in any order in each column if animal, e.g. worm, appears in both columns then incorrect for this animal Question Answer Marks Further Information 6 brass button copper tube gold ring iron bath lead pipe silver coin steel wire zinc foil 2each correct answer = 1 mark three circled, two correct = 1 mark three circled, one correct = 0 marks four or more circled = 0 marks
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 6 of 14 Question Answer Marks Further Information 7(a) 2M (M or male) correctly labelled (on or close to the structure) = 1 mark If M labelled more than once then all labels must be correct F (F or female) correctly labelled (on or close to the structure) = 1 mark If F labelled more than once then all labels must be correct 7(b) The male organ of the flower is called stamen / anther / filament . The female organ of the flower is called carpel / stigma / style / ovary / pistil . 2each correct answer = 1 mark M part F part
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 7 of 14 Question Answer Marks Further Information 8(a) chalk and gasoline 1both substances must be given, either order any extra substances = 0 marks 8(b) they dissolve (in water) / they are soluble 1 8(c) gasoline floating on top of the water 1Accept example of gasoline and water being separate e.g. water floating on gasoline / two layers
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 8 of 14 Question Answer Marks Further Information 9(a) conclusion data evidence prediction results 1more than one circled = 0 marks 9(b) forcemeter measuring cylinder 010 20 30 50 60 40 ruler 1 2 balance stop-clock thermometer 2two correct = 2 marks one correct = 1 mark three ticks, two correct = 1 mark three ticks, one correct = 0 marks four or more ticks = 0 marks 9(c) any one from type of mass / size of mass / amount of mass length of string / mass of string / type of string / size of string / thickness of string force 1 Accept ‘mass’ / ‘weight’ / material of mass Accept ‘string’
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 9 of 14 Question Answer Marks Further Information 10 Butterfly A is Swallowtail (butterfly) Butterfly B is Monarch (butterfly) 2each correct answer = 1 mark more than one answer on the answer line = 0 marks Question Answer Marks Further Information 11(a) a liquid that can dissolve (a substance) 1Accept the liquid in a solution 11(b) a substance that dissolves (in a liquid / in a solvent) 1Accept it dissolves 11(c) (mixture of) a solvent and solute / liquid and a dissolved substance 1Ignore a mixture of a solid and a liquid
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 10 of 14 Question Answer Marks Further Information 12(a) B 1more than one letter = 0 marks Accept Jupiter 12(b) A B C D E 1more than one circled = 0 marks 12(c) 0 1 2 3 4 5 1 12(d) At x it is light / day(time) / morning / midday / noon At y it is dark / night(time) / midnight / evening 1both required for 1 mark Question Answer Marks Further Information 13(a) animal dispersal by eating animal dispersal by hooking onto fur self-dispersal by explosion water dispersal 1more than one answer circled = 0 marks 13(b) small / lightweight / smooth 1
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 11 of 14 Question Answer Marks Further Information 14 comparison of size e.g. any one from whale is biggest mouse is smallest chicken is not the biggest comparison of temperature e.g. any one from the whale does not have the highest body temperature / the whale has the lowest body temperature the mouse does not have the lowest body temperature chicken has highest body temperature 2Accept any correct comparison of size between animals = 1 mark e.g. human is smaller than the whale OR some of the bigger animals have a lower temperature Accept any correct comparison of temperature between animals = 1 mark e.g. a mouse has a higher body temperature than a whale OR the temperature of the whale is 36 (°C) and the temperature of the chicken is 40 (°C) Accept both ideas in one statement e.g. the chicken is small but it has the higher body temperature than humans = 2 marks Question Answer Marks Further Information 15 (The material that made the car move the slowest is) wool . (This is because this material) causes the most friction / has the highest friction. 2any other material = 0 marks for whole question Note: if no material selected then max 1 mark for reason
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 12 of 14 Question Answer Marks Further Information 16(a) Food chains start with a producer . The energy for food chains comes from Sun . 2each correct answer = 1 mark Accept plant Accept light / sunlight 16(b) lettuce rabbit(s) fox(es) wolf/wolves 2All organisms in correct order = 1 mark All three arrows in the correct direction = 1 mark Note: second marking point is dependent on the first marking point being correct Accept wolf fox rabbit lettuce = 2 marks
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 13 of 14 Question Answer Marks Further Information 17(a) balance / scales 1Do not accept weighing scale(s) / balance meter 17(b) water evaporates / water turns to water vapour leaves dissolved solid behind / leaves salt behind 2each correct answer = 1 mark 17(c) 5 (g) 1Accept answer in the inclusive range 4.8 - 5.2 (g)
0846/02 Checkpoint Primary 1 Science – Mark Scheme October 2019 PUBLISHED Page 14 of 14 Question Answer Marks Further Information 18(a) any one from hit it harder / use more force change the material of the pot / make the pot metal / use a larger pot change the material of the mallet / make the mallet metal / use a larger mallet 1answer must be comparative 18(b) loud level meter musical level meter pitch level meter sound level meter volume level meter 1more than one answer = 0 marks