[PDF] Cambridge Primary Checkpoint - Science (0846) Specimen 2014 Paper 1 MS.pdf | Plain Text

This document consists of 9 printed pages and 1 blank page. IB14 0846_01_SM/4RP © UCLES 2014 [Turn over Cambridge International Examinations Cambridge Primary Checkpoint SCIENCE 0846/01 Paper 1 For Examination from 2014 SPECIMEN MARK SCHEME 45 minutes MAXIMUM MARK: 50

2 © UCLES 2014 0846/01/SP/14 Question 1 Part Mark Answer Further Information 2 Each correct answer = 1 mark definition life process (responding and reacting) (sensitivity) (producing young / offspring) reproduction (turning food into energy) respiration Total 2 Question 2 Part Mark Answer Further Information (a) 2 feature: mottled skin explanation: for camouflage / hide from predators or feature: eyes above Explanation: see better or feature: flat explanation: hide from predators Accept blends in / looks like sand / camouflaged. feature = 1 mark explanation = 1 mark (b) 1 method: rod and line explanation: less of this fish removed/caught. Both correct = 1 mark. Total 3

3 © UCLES 2014 0846/01/SP/14 [Turn over Question 4 Part Mark Answer Further Information (a) 1 (idea of) close / operate / press the switch (b) 2 2 cells and 2 lamps and 1 switch = 2 marks 1 cell and 2 lamps and 1 switch = 1 mark 2 cells and 1 lamp and 1 switch = 1 mark 2 cells and 2 lamps and no switch = 1 marks Accept switch open or closed Total 3 Question 3 Part Mark Answer Further Information (a) 1 1 day or 24 hours or 23 hours 56 minutes (b) 1 If more than one box ticked = 0 marks The Sun does not move.
The Sun goes round the Moon. The Sun orbits the Earth The Sun travels round the Earth. Total 2

4 © UCLES 2014 0846/01/SP/14 Question 5 Part Mark Answer Further Information 3 They are made of metal. The wires are covered in plastic. Any material that is a non-conductor is an insulator . Accept named materials e.g. copper Accept rubber / insulator Each correct sentence = 1 mark Total 3 Question 6 Part Mark Answer Further Information (a) 1 If more than one box ticked = 0 marks tighten the drum skin
slacken the drum skin strike the drum harder strike the drum softer (b) 3 true false 5 correct = 3 marks 3 or 4 correct = 2 marks 2 correct = 1 mark If 2 boxes ticked for a statement = 0 marks for that statement Sound can travel around corners.
Sound can spread out in all directions.
Sound cannot travel through solids.
Sound can travel through liquids.
Sound can travel in a vacuum.
Total 4

5 © UCLES 2014 0846/01/SP/14 [Turn over Question 7 Part Mark Answer Further Information (a) 1 turns into a liquid Accept turns into salt solution / salt water (b) 1 0 ( oC) (c) 1 The greater/higher the mass of salt in the solution the lower the melting point. Accept the smaller/lower the mass of salt in the solution the higher the melting point (d) 1 –5 ( oC) Accept 4 g / grams (e) 1 make results more reliable / to check results Accept to make sure the results are reliable Do not accept to make the results more accurate Total 5 Question 8 Part Mark Answer Further Information (a) 2 C, D , B in that order 3 correct = 2 marks 2 correct = 1 mark 1 correct = 0 marks (b) 1 A and C More than 1 answer circled = 0 marks (c) 1 (pulling force) increases Total 4

6 © UCLES 2014 0846/01/SP/14 Question 9 Part Mark Answer Further Information (a) 1 plankton / plant → fish → penguin All correct = 1 mark (b) 2 (leaves) → insect → (small) bird → owl Correct order = 1 mark All three arrows in correct direction = 1 mark Total 3 Question 10 Part Mark Answer Further Information (a) 1 16(mm) Accept 250 g (b) 2 Any two from: - repeat the investigation - use different size tubes - use different size masses - use longer / shorter pieces of paper - use longer / shorter tubes (c) 1 (idea of) less mass / lighter in mass Total 4

7 © UCLES 2014 0846/01/SP/14 [Turn over Question 11 Part Mark Answer Further Information (a) 1 (some) coffee dissolves / a solution is made (b) 1 all of the coffee powder is soluble some of the coffee powder is insoluble all of the coffee powder is insoluble some of the coffee powder is frozen More than one answer circled = 0 marks (c) 2 The brown solid on the filter paper is the residue. The brown solution in the beaker is the filtrate. Each answer = 1 mark Accept mixture instead of filtrate (d) 1 More than one answer ticked = 0 marks goes colourless becomes a lighter brown stays the same becomes a darker brown
Total 5

8 © UCLES 2014 0846/01/SP/14 Question 12 Part Mark Answer Further Information (a) 2 Any two from: - same type of seed - height dropped - mass / weight of seed - speed of fan - distance from fan Each correct answer = 1 mark (b) 3 10 9 8 7 6 5 4 3 2 1 123 4 seed number distance in cm 56 0 All correct = 3 marks Any 3 correct = 2 marks Any 2 correct = 1 mark (c) 1 5 (d) 1 animal dispersal explosive dispersal self dispersal water dispersal wind dispersal More than one answer circled = 0 marks Total 7

9 © UCLES 2014 0846/01/SP/14 Question 13 Part Mark Answer Further Information (a) 2 4 correct = 2 marks 2 or 3 correct = 1 mark 1 correct = 0 marks Mixture chemical reaction makes a solution does not react or make a solution A
B
C
D
(b) 1 C (c) 1 (idea of) the ingredients chemically reacting to form something else Accept that it is a chemical reaction/gas given off/bubbles given off Do not accept ‘it cannot be reversed’ (d) 1 (idea of) evaporating the water to leave the salt behind Accept heat / boil. Total 5

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