Download [PDF] April 2018 CAIE P1 Questions 1113 Science Cambridge Lower Secondary Checkpoint

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This document consists of 16 printed pages. IB18 05_1113_01/3RP © UCLES 2018 [Turn over  Cambridge International Examinations Cambridge Secondary 1 Checkpoint SCIENCE 1113/01 Paper 1 April 2018 45 minutes Candidates answer on the Question Paper. Additional Materials: Pen Calculator Pencil Ruler READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use an HB pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, glue or correction fluid. DO NOT WRITE IN ANY BARCODES. Answer all questions. You should show all your working in the booklet. At the end of the examination, fasten all your work securely together. The number of marks is given in brackets [ ] at the end of each question or part question. The total number of marks for this paper is 50.

2 © UCLES 2018 1113/01/A/M/18 1 Different cells have different functions. Draw lines from the cell function to the correct type of cell. Draw four lines only. cell function type of cell absorbs water and mineral salts contracts to cause movement transports oxygen around the body uses light energy to make food [4]

3 © UCLES 2018 1113/01/A/M/18 [Turn over 2 Draw a line from the type of energy to its description and example. One has been done for you. also called heat energy also called radiant energy energy of moving objects energy released by vibrating objects stored energychemical kinetic light sound thermala fire a boy talking the Sun a girl running food description type of energy example [4]

4 © UCLES 2018 1113/01/A/M/18 3 Mike investigates different rocks. He uses different objects to try and scratch the surface of the rocks. Mike records his observations in a table. rock is the rock scratched by finger nail copper coin knife blade steel file A yes yes yes yes B no no yes yes C no no no no D no no no yes E no yes yes yes (a) A rock can only be scratched by a substance that is harder than the rock. Which rock is the softest? Choose from A, B, C, D or E. [1]

5 © UCLES 2018 1113/01/A/M/18 [Turn over (b) Mike finds this information about the hardness of rocks. relative hardness scratch test 1 easily scratched by finger nail 2 scratched by finger nail 3 scratched by copper coin 4 easily scratched by knife blade 5 scratched by knife blade 6 scratched by steel file 7 scratches glass 8 scratches quartz 9 easily scratches quartz 10 cannot be scratched Use the information to answer these questions. (i) What is the relative hardness of rock E? [1] (ii) A rock can be scratched with a steel file. This rock will not scratch glass. What is the relative hardness of this rock? [1] (c) Rocks form in different ways. Which type of rocks form when lava from a volcano cools down? [1]

6 © UCLES 2018 1113/01/A/M/18 4 The diagram shows part of the human respiratory system. A B C Name the structures labelled A, B and C. Choose words from the list. air sac bronchus diaphragm lung rib cage trachea A B C [3] 5 There are many different types of chemical reaction. Complete the sentences about types of reaction. Choose words from the list. burning displacement endothermic exothermic fermentation neutralisation (a) The reaction between an acid and an alkali is called .................................................. . [1] (b) The reaction between iron and copper sulfate to form iron sulfate and copper is called .................................................................................................................................... . [1] (c) When baking powder reacts with vinegar the mixture gets colder. This is because the reaction is ................................................................................... . [1]

7 © UCLES 2018 1113/01/A/M/18 [Turn over 6 Yuri investigates light and coloured filters. (a) He shines white light through a red filter and then a green filter. red filter green filter AB white light What is the colour of the light at A and at B? A B [2] (b) He shines white light through a blue filter and then a cyan filter. blue filter cyan filter AB white light What is the colour of the light at A and at B? A B [2]

8 © UCLES 2018 1113/01/A/M/18 7 The table shows the masses and heart rates of eight mammals. mammals body mass in grams heart rate in beats per minute whale 120 000 000 20 elephant 5 000 000 30 horse 1 200 000 44 human 90 000 60 monkey 5 000 192 cat 2 000 150 rabbit 1 000 205 hamster 60 450 (a) (i) Describe the general pattern shown by these results. [1] (ii) Which mammal does not follow this general pattern? Explain your answer. [2] (iii) Suggest a better way of presenting the data so that the pattern is more obvious. [1] (b) Jamila finds this information on the internet. A chicken with a body mass of 1500 g has a heart rate of 275 beats per minute. The information for the chicken does not fit with the general pattern for mammals. Suggest why. [1]

9 © UCLES 2018 1113/01/A/M/18 [Turn over 8 Mia collects three liquids found in her kitchen. Mia then makes this statement about the substances. The three liquids are acids. (a) Mia’s friend Carlos tells her she has no evidence for her statement. Why is it important to have evidence to back up a scientific statement? [1] (b) Describe how Mia uses an indicator to collect evidence for her statement. Include the  name of the indicator  result she gets if the liquids are acids. [2] coffee tea cleaning fluid

10 © UCLES 2018 1113/01/A/M/18 9 Safia wants to find the density of a small ball. (a) She measures the mass of a plastic cup containing ten identical balls. g plastic cup ten balls (i) The plastic cup has a mass of 2.5 g. What is the mass of one ball? g [1] (ii) Why does Safia use ten identical balls? [1]

11 © UCLES 2018 1113/01/A/M/18 [Turn over (b) Safia measures the volume of the ten identical balls. 10 20 30 40 50 water water and ten balls 10 20 30 40 50 20 30 30 40 cm 3 cm 3 close-up view close-up view Complete the measurements to find the volume of one ball. The volume of water in the measuring cylinder is cm 3. The volume of the water and ten balls in the measuring cylinder is cm 3. The difference in volume between these two readings is cm 3. The volume of one ball is cm 3. [2] (c) Calculate the density of a ball. Use your answers for mass in part (a) and volume in part (b) to calculate the density. volumemass density The density of the ball is g/cm 3 [1]

12 © UCLES 2018 1113/01/A/M/18 10 The islands of Hawaii are home to around 40 species of birds called honeycreepers. They have descended from an original species of honeycreeper which is now extinct. Look at the diagram. It shows five species of honeycreeper. original honeycreeper A BCD (a) (i) Which process causes the gradual change from one species to another? [1] (ii) Name the scientist who developed the theory to explain how this process could happen. [1]

13 © UCLES 2018 1113/01/A/M/18 [Turn over (b) This key can be used to identify four species of honeycreeper. honeycreeper has short, strong beak has long, pointed beak upper beak much longer than lower beak upper and lower beaks both similar size beak slightly curved beak highly curved Maui parrotbill Nihoa finch‘apapane akiapolaau Use the key to identify species A and species D. species A species D [2]

14 © UCLES 2018 1113/01/A/M/18 11 The diagram shows the atomic structure of aluminium. (a) How many electrons are there in one atom of aluminium? [1] (b) Which scientist discovered the structure of the atom? Circle the correct answer. Darwin Einstein Pasteur Rutherford [1] (c) In which group of the Periodic Table is aluminium found? [1] (d) Aluminium is used in the circuit boards and batteries of mobile phones. Use ideas about properties to explain why. [1] (e) Aluminium burns in air to form a compound. What is the name of this compound? [1]

15 © UCLES 2018 1113/01/A/M/18 [Turn over 12 The lizard loses thermal (heat) energy and gains thermal (heat) energy. Complete the labels to show the energy transfers taking place. Choose from the following words. conduction convection radiation [2] thermal energy lost from surface of skin by ........................................................... . ....................................................................................... . thermal energy lost by air movements bythermal energy gained from rock by .......................................................................................... . 13 Metal carbonates react with acids. A salt and two other chemicals are made. Name the two other chemicals made. and . [2]

16 Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge International Examinations Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cie.org.uk after the live examination series. Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. © UCLES 2018 1113/01/A/M/18 14 Oliver investigates the effect of light on photosynthesis. Oliver is given the apparatus shown. bubblegas water containing carbon dioxide lamp funnel water plant Write down two variables which Oliver needs to control during his investigation. 1 2 [2]