Cambridge International Examinations Cambridge Secondary 1 Checkpoint 1113/01 SCIENCE Paper 1 April 2018 45 minutes Candidates answer on the Question Paper. Additional Materials: Pen Pencil Ruler Calculator 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. This document consists of 16 printed pages. IB18 05_1113_01/3RP © UCLES 2018 [Turn over 2 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] © UCLES 2018 1113/01/A/M/18 6 6 (a) (i) Name the process that plants use to make their own food. [1] (ii) Name one other product of this process. [1] (b) In an investigation, identical plants are placed in three different gases. Each plant is given constant light. The plants are kept in the same conditions for one week. The diagram shows the results of this investigation. at start gas A gas B gas C gas A gas B gas C after one week © UCLES 2018 1113/01/A/M/18 [Turn over 4 Describe the results of this investigation. plant kept in gas A plant kept in gas B plant kept in gas C [3] © UCLES 2018 1113/01/A/M/18 5 1 The diagram shows a human stomach. muscles blood vessels and digestive cells in the stomach lining (a) Which term best describes the stomach? Circle the correct answer. cell organ organism system tissue Use information from the diagram to explain your answer. [2] (b) Red blood cells and muscle cells are found in the wall of the stomach. (i) Explain how the structure of a red blood cell is related to its function. [2] (ii) Explain how the structure of a muscle cell is related to its function. [2] © UCLES 2018 1113/01/A/M/18 [Turn over 2 Look at the diagram. It shows a sealed bottle containing air particles. air particle (a) The air exerts a pressure on the sides of the bottle. Explain how air exerts a pressure. Use ideas about particles in your answer. [1] (b) The bottle is heated. What happens to the pressure inside the bottle? Explain your answer. Use ideas about particles. [2] 7 8 The table shows some information about solids, liquids and gases. Complete the table. state distance between particles movement of particles forces between particles shape solid close together ............................... ............................... fixed shape ............................... ............................... move slowly in all directions ............................... liquid close together shape of container ............................... gas ............................... move quickly in all directions ............................... very weak ............................... ............................... [5] © UCLES 2018 1113/01/A/M/18 [Turn over 14 Blessy investigates floating objects. She uses a small plastic box in a bowl of water. plastic box bowl of water She puts weights into the box. She measures the depth of the box below the water. (a) Blessy needs to measure the weights in the box. What piece of equipment should she use? Tick () the correct box. ammeter clock measuring cylinder ruler spring balance [1] (b) Blessy needs to measure the depth of the box below the water. What piece of equipment should she use? Tick () the correct box. ammeter clock measuring cylinder ruler spring balance [1] © UCLES 2018 1113/01/A/M/18 11 (b) Safia measures the volume of the ten identical balls. cm3 cm3 50 40 30 50 30 30 20 20 10 40 40 30 20 close-up view 10 close-up view water and ten balls water Complete the measurements to find the volume of one ball. cm3. The volume of water in the measuring cylinder is cm3. The volume of the water and ten balls in the measuring cylinder is The difference in volume between these two readings is cm3. cm3. The volume of one ball is [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. density The density of the ball is © UCLES 2018 mass volume g/cm3 1113/01/A/M/18 [1] [Turn over 16 14 Oliver investigates the effect of light on photosynthesis. Oliver is given the apparatus shown. gas bubble water containing carbon dioxide funnel lamp water plant Write down two variables which Oliver needs to control during his investigation. 1 2 [2] 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
