Download [PDF] October 2018 CAIE P1 Mark Schemes 0846 Science Cambridge Primary Checkpoint

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[PDF] October 2018 CAIE P1 Mark Schemes 0846 Science Cambridge Primary Checkpoint.pdf | Plain Text

This document consists of 12 printed pages. IB18 10_0846_01/4RP © UCLES 2018 [Turn over Cambridge International Examinations Cambridge Primary Checkpoint SCIENCE 0846/01 Paper 1 October 2018 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.

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 2 of 12 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

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 3 of 12 Question Answer Marks Further Information 1(a) insects 2 or 4 wings? 0 wings 4 2 number of wings? are the wings patterned? X W ZY noyes 2 all correct = 2 marks two or three correct = 1 mark one correct = 0 marks 1(b) Does it have an eye? Does it have four legs? Does it have a mouth? Does it have a patterned body? Does it have a tail? 1 more than one circled = 0 marks

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 4 of 12 Question Answer Marks Further Information 2(a) steel 1 2(b) transparent / to see through 1 2(c) strong 1 Accept hard Accept malleable 2(d) irreversible reversible (idea that) you cannot unburn gasoline 1 both needed for a mark Question Answer Marks Further Information 3 any two of items collected can be recycled / made into something else reused reduces energy use / saves resources prevents or reduces pollution / reduces the amount of litter at landfill sites 2

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 5 of 12 Question Answer Marks Further Information 4 pollination fertilisation 2 any order each correct answer = 1 mark Accept growth Question Answer Marks Further Information 5(a) sound (level) meter 1 Accept decibel meter 5(b) The volume of sound is measured in decibels . 1 5(c) A high sound and a low sound are different in pitch . 1

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 6 of 12 Question Answer Marks Further Information 6(a) (no) any two of seeds in B will (also) germinate (because) seeds need water or moisture to germinate (but) seeds do not need light to germinate 2 no mark for answer no, but needs to be correct for marks to be awarded Accept grow for germinate 6(b) (idea that) seeds need warmth to germinate / it is (too) cold (in winter) 1 Accept seeds need the right or suitable temperature to germinate Do not accept there is less (sun)light / no (sun)light Question Answer Marks Further Information 7(a) melting 1 7(b) (liquid wax) can be cooled (back into solid wax) 1 Ignore it can be reversed 7(c) evaporation / boiling 1

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 7 of 12 Question Answer Marks Further Information 8(a) turn one around / put the N(orth) and S(outh) together 1 8(b) any two of magnet not strong enough / magnet is weak paper clips not near to the magnet paper clips not made of magnetic material / paper clip material is not attracted to magnets / some of the paperclips are not magnetic / made of plastic / made of different materials / made from different metals / made out of a different named material e.g. aluminum 2 each correct answer = 1 mark Question Answer Marks Further Information 9(a) light is blocked / sun(light) is blocked / Pierre or Mike is in the way of the light 1 Accept Pierre or Mike does not let the light through / Pierre is or Mike is opaque 9(b) shadow A is shorter / shadow B is longer shadows are in different positions 2 Accept (the shadows are different) lengths / sizes / widths / thicknesses Accept (the shadows are in different) directions 9(c) (idea that) made at different times in the day / the Earth has spun on its axis / the Earth spins on it axis 1 Accept the Earth rotates (on its axis)

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 8 of 12 Question Answer Marks Further Information 10(a) A heart B lung(s) (C liver) D stomach E brain F kidney(s) 2 five correct = 2 marks four correct = 1 mark one or two or three correct = 0 marks 10(b) A B D E F 1 more than one answer circled = 0 marks

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 9 of 12 Question Answer Marks Further Information 11 any two from support protects grows idea of movement 2 each correct answer = 1 mark Question Answer Marks Further Information 12(a) from top to bottom filter paper / filtering paper (filter) funnel beaker 3 each correctly labelled apparatus = 1 mark Do not accept just paper / just filter 12(b) chalk (and water) 1 Do not accept iron sulphate / magnesium sulphate 12(c) iron sulfate and magnesium sulfate (solution and water) 1 Accept iron and magnesium sulfate / magnesium and iron sulfate Do not accept chalk

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 10 of 12 Question Answer Marks Further Information 13 (idea of) orbit the green balloon (around the yellow balloon) / spin the green balloon keep the yellow balloon still / do not move the yellow balloon / keep the yellow balloon in (its) place 2 Accept Earth for green balloon Accept Sun for yellow balloon / keeps her left hand still Ignore she moves them around in circles / the Sun rotates on its own axis Question Answer Marks Further Information 14(a) 1 more than one answer circled = 0 marks 14(b) not move 1 more than one answer circled = 0 marks 14(c) friction gravity kilogram mass newton 1 more than one answer circled = 0 marks not movenot move

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 11 of 12 Question Answer Marks Further Information 15 R P P PRODDAT O N ER S U M EY R 1 C 2 34 R R E C 3 four correct = 3 marks two or three correct = 2 marks one correct = 1 mark Accept carnivore for clue 1

0846/01 Checkpoint Primary 1 Science – Mark Scheme October 2018 PUBLISHED © UCLES 2018 Page 12 of 12 Question Answer Marks Further Information 16(a) used different masses or different amounts of substances 1 16(b) salt 1 Accept 2 g of salt 16(c) 45 (seconds) 1 Do not accept incorrect units e.g. 45 minutes 16(d) mass of aspirin speed of stirring  temperature of water  time to dissolve volume of water  2 all three ticks correct = 2 marks two ticks correct = 1 mark one tick correct = 0 marks four ticks 3 correct = 1 mark four ticks 2 correct = 0 marks five ticks = 0 marks