[PDF] Cambridge Primary Checkpoint - Science (0846) October 2016 Paper 2 MS.pdf | Plain Text

This document consists of 11 printed pages and 1 blank page. IB16 10_0846_02/4RP © UCLES 2016 [Turn over Cambridge International Examinations Cambridge Primary Checkpoint SCIENCE 0846/02 Paper 2 October 2016 MARK SCHEME Maximum Mark : 50

2 © UCLES 2016 0846/02/O/N/16 Question number 1 Part Mark Answ er Further Information 2 a beam of light from a torch a girl unscre wing a jar  a horse pulling a cart  a man pushin g a trolley  the sound of a drum three correct = 2 marks one or two correct = 1 mark four or five ticked = 0 marks Total 2 Question number 2 Part Mark Answ er Further Informati on 3 plant / producer plankton Sun each correct sentence = 1 mark Accept sunlight / light Total 3

3 © UCLES 2016 0846/02/O/N/16 [Turn over Question number 3 Part Mark Answ er Further Information (a) 1 (idea that) lamp will light Accept that the lamp will work / the lamp is bright / lamp turns on (b) 1 copper glass plastic wood Accept any indication of the correct answer more than one answer circled = 0 marks (c) 1 brass gold rubber silver Accept any indication of the correct answer more than one answer circled = 0 marks Total 3 Question number 4 Part Mark Answ er Further Information (a) 1 flowers can be bright colours flowers close at night leaves are large petals are always small stems bend easily Accept any indication of the correct answer mo re than one answer circled = 0 marks (b) 1 to attract insects Total 2

4 © UCLES 2016 0846/02/O/N/16 Question number 5 Part Mark Answ er Further Information (a) 1 true false When a string of a guitar vibrates a sound is produced.  A unit of loudness of sound i s the decibel.  both needed for mark three or four ticked = 0 marks Accept any indication of the correct answer (b) 1 true false Sound travels at the same speed in all solid materials.  The speed of sound in space is the same as the speed of sound in air.  both needed for mark three or four ticked = 0 marks Accept any indication of the correct answer Total 2

5 © UCLES 2016 0846/02/O/N/16 [Turn over Question number 6 Part Mark Answ er Further Information (a) 3 four correct = 3 m arks two or three correct = 2 marks one correct = 1 mark mixture method of separation salt and water evaporation steel powder and lumps of steel sieving sand and water filtration steel powder and copper powder magnetic attra ction (b) 1 add water (and stir) filter evaporate all in the correct order = 1 mark (c) 1 (idea of ) holes in sieve are small enough to let sand through but not peas Answer needs to be clear that separation has happened with the sieve e.g. Accept the sand goes through the sieve and the peas stay on top / only the sand goes through the sieve If a nswer is in terms of filter paper it needs to be clear that no separation is possible Accept neither will go through filter paper / the sand and peas are too big to go through the filter paper Total 5

6 © UCLES 2016 0846/02/O/N/16 Question number 7 Part Mark Answ er Further Information 3 eight correct = 3 marks five, six or seven correct = 2 marks one, two, three or four correct = 1 mark Total 3 Question n umber 8 Part Mark Answ er Further Information (a) 1 shadow Ignore puppet (b) 2 three correct = 2 marks one or two correct = 1 mark more than one line drawn from an image = 0 marks for that image Total 3

7 © UCLES 2016 0846/02/O/N/16 [Turn over Question number 9 Part Mark Answ er Fu rther Information (a) 1 Accept any indication of the correct answer more than one answer circled = 0 marks (b) 2 volume of water time taken 5 10 10 20 15 30 20 35 25 40 all volumes and times in the correct order = 2 marks Accept either ascending or descending order v olumes and times in the correct columns but not in the correct order = 1 mark but volume must match correct time (c) 1 unit(s) any indication of units of volume or time e.g. cm 3 / s / second s Total 4

8 © UCLES 2016 0846/02/O/N/16 Question number 10 Part Mark Answ er Further Information (a) 1 animal dispersal insect dispersal self -dispersal water dispersal wind dispersal Accept any indication of the correct answer more than one answer circled = 0 marks (b) 1 animal dispersal insect disper sal self -dispersal water dispersal wind dispersal Accept any indication of the correct answer more than one answer circled = 0 marks Total 2 Question number 11 Part Mark Answ er Further Information (a) 1 A liquid that dissolves a solid is ca lled a solvent . (b) 1 A substance that does not dissolve in water is insoluble . (c) 1 A substance that dissolves in water is soluble . (d) 1 A substance is dissolved in water. Th is substance is called the solute . (e) 1 The mixture of a substance d issolved in water is called a solution . Total 5

9 © UCLES 2016 0846/02/O/N/16 [Turn over Question number 12 Part Mark Answ er Further Information (a) 1 Earth Jupiter Mars Mercury Venus Accept any indication of the correct answer more than one answer circled = 0 marks (b) 1 Earth Jupiter Mars Mercury Venus Accept any indication of the correct answer more than one answer circled = 0 marks (c) 1 Earth Jupiter Mars Mercury Venus Accept any indication of the correct answer both correct = 1 mark more than two circled = 0 marks Total 3 Question number 13 Part Mark Answ er Further Information (a) 2 sight to see the rain touch or feel to feel the rain one mark for each correct answer each correct answer must have the sense and what i s sensed (b) 1 so he can move out of the rain / so he knows he is getting wet Accept any suitable reaction to rain e.g. use an umbrella / put a coat on / to protect himself Total 3

10 © UCLES 2016 0846/02/O/N/16 Question number 14 Part Mark Answ er Further Information 2 four correct = 2 marks two or three correct = 1 mark one correct = 0 marks If more than one line drawn from a statement = 0 marks for that statement Total 2 Question number 15 Part Mark Answ er Further Information (a) 1 34 (mm) Accept any answer in the range 33 – 35 (mm) (b) 2 roots have branched / roots are divided / roots are bigger / roots are longer there is a stem there are leaves Accept root growth Accept there is a shoot Do not accept there is a stalk / the seed has sprouted Do not accept there are petals Total 3

11 © UCLES 2016 0846/02/O/N/16 Question number 16 Part Mark Answ er Further Information (a) 1 melting / melt(s) / solid to liquid Accept turns to liquid Do not accept it boils / solid to liquid to gas Do not accept references to ice / water / steam / water vapour (b) 1 boiling / boil(s) / liquid to gas Accept evaporation or turns to gas Do not accept it melts / solid to gas / solid to liquid to gas Do not accept references to ice / water / steam / water vapour (c) 3 solid a t room temperature liquid at room temperature gas at room temperature ( B ) G ( E ) C A F ( D ) H five correct = 3 marks three or four correct = 2 marks one or two correct = 1 mark Ignore extra letters e.g. E in column one If more than one of a p articular letter in table then = 0 marks for that letter e.g. letter G in column one and letter G in column two Total 5

12 © UCLES 2016 0846/02/O/N/16