Download [PDF] October 2017 CAIE P1 Questions 1113 Science Cambridge Lower Secondary Checkpoint

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This document consists of 16 printed pages. IB17 10_1113_01/5RP © UCLES 2017 [Turn over  Cambridge International Examinations Cambridge Secondary 1 Checkpoint SCIENCE 1113/01 Paper 1 October 2017 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 2017 1113/01/O/N/17 1 Chloroplasts are found in plant cells but not in animal cells. Other structures are found in both plant and animal cells. (a) Complete the table by putting ticks () and crosses () in the correct column. Chloroplast has been done for you. structure found in plant cells found in animal cells cell membrane cell wall chloroplast   cytoplasm nucleus vacuole [2] (b) Explain why plants need chloroplasts. [2]

3 © UCLES 2017 1113/01/O/N/17 [Turn over 2 Look at the diagram. It shows the materials that make up different parts of a car. bumper (fender) made from polymers electrical wires made of copper exhaust pipe made from stainless steel wheel hubs made of aluminiumcar body made from mild steelrubber tyres filled with air (a) Which two labelled parts of the car are made from non-metals? and [1] (b) Which property of steel is useful for making the car body? Circle the correct answer. ductile magnetic sonorous strong [1] (c) Which property of copper is useful for making the electrical wires? Circle the correct answer. ductile magnetic sonorous strong [1] (d) What is an advantage of using stainless steel instead of iron? [1] (e) The windows are made of glass because glass is transparent. What is meant by the word transparent? [1]

4 © UCLES 2017 1113/01/O/N/17 3 Yuri uses a flashlight. flashlight green filter yellow paper light (torch) Complete the sentences. Choose from the following words. You can use each word once, more than once, or not at all. black blue green red white The light from the flashlight contains three primary colours. When these three primary colours are added together it makes light. This light contains red light, green light and light. The yellow paper reflects the red light and light. The green filter only transmits light. [4]

5 © UCLES 2017 1113/01/O/N/17 [Turn over 4 The diagram shows a simple food web. It contains three food chains. The letters A, B, C and D are the four different organisms making up these food chains. A B C D (a) Which organism is a producer? Choose from A, B, C or D. [1] (b) Which organism is both a primary and a secondary consumer? Choose from A, B, C or D. [1] (c) What do the arrows in a food web show? [1]

6 © UCLES 2017 1113/01/O/N/17 5 Chen investigates the reaction of acids with metals. He puts hydrochloric acid into four test-tubes. Chen then adds a different metal powder to each tube. The diagram shows his results. 10 cm 3 of hydrochloric acid and 1g of metal powder tube 1 tube 2 tube 3 tube 4 Chen counts the bubbles formed in the reaction and records his results in a table. tube name of metal 1 iron 6 2 copper 0 3 zinc 4 tin 3 (a) Chen has missed one of the headings in the table. Complete the table by writing in the missing heading. [1] (b) Chen has not recorded the result for zinc. Complete the table by writing in the result for zinc. [1]

7 © UCLES 2017 1113/01/O/N/17 [Turn over (c) Write down the metals in order of reactivity. most reactive least reactive [1] (d) The bubbles are made of a gas. What is the name of the gas that forms when metals react with acids? [1] (e) Chen uses hydrochloric acid in his investigation. What is the name of the salt formed when zinc reacts with hydrochloric acid? [1]

8 © UCLES 2017 1113/01/O/N/17 6 Angelique investigates heat transfer. She heats a metal rod. The metal rod has a pin attached with wax. metal rod pin attached with wax heat When the end of the metal rod is hot, the wax melts and the pin falls. (a) What type of heat transfer is Angelique investigating? [1] (b) Angelique repeats the investigation with rods made of different metals. The pins fall after different amounts of time. Why do the pins fall after different amounts of time? [1]

9 © UCLES 2017 1113/01/O/N/17 [Turn over (c) Angelique draws a picture of the atoms inside one of the metal rods. metal rodatoms heat Describe how the heat is transferred to the end of the metal rod. Use Angelique’s drawing to help you. [2]

10 © UCLES 2017 1113/01/O/N/17 7 Look at the diagram of a nitrogen atom. nucleus electron (a) The protons are not shown on the diagram. How many protons are in a nitrogen atom? [1] (b) Which group of the Periodic Table does nitrogen belong to? [1] (c) Write down the chemical symbol for nitrogen. [1]

11 © UCLES 2017 1113/01/O/N/17 [Turn over 8 Plants absorb mineral salts from the soil. (a) Circle the cell that plants use to absorb mineral salts. [1] (b) Which other substance must plants absorb from the soil? [1] (c) Three identical plants A, B and C are grown in different conditions. ABC plant grown in ideal conditionsplant grown in identical conditions to A but without magnesiumplant grown in identical conditions to A but without phosphate fruit (i) Describe the effects of phosphate on plant growth. Explain how you can tell from the diagrams. [3] (ii) The plant grown without magnesium has yellow leaves. Suggest why. [1]

12 © UCLES 2017 1113/01/O/N/17 9 Gabriella investigates the air content of different soils. The diagram shows the apparatus she uses. soil 250 200 150 100 50 cm³ 250 200 150 100 50 cm³ soil and wate r water 100 cm³ water She puts 100 cm 3 of soil into the measuring cylinder. Gabriella then adds 100 cm 3 of water to the soil. She then records the total volume of soil and water in the measuring cylinder. (a) The diagram below shows the total volume of soil and water for soil A. soil and water 160 150cm³ 170 Complete the table to show the total volume of soil and water for soil A. soil total volume of soil and water in cm 3 A B 156 C 145 D 178 [1]

13 © UCLES 2017 1113/01/O/N/17 [Turn over (b) The water fills the air spaces in the soil. The more air spaces, the lower the total volume of soil and water. (i) Which soil has the most air spaces? Choose from A, B, C, or D. [1] (ii) Clay soils are made of closely packed particles. The air spaces are very small. Which soil is clay? Choose from A, B, C, or D. [1] (c) Clay is one type of soil. Circle one other type of soil. fossils igneous peat rocky [1] (d) Gabriella also wants to investigate the acidity of each soil. Which scale is used to measure the acidity of soil? [1]

14 © UCLES 2017 1113/01/O/N/17 10 Blessy has some cubes of material. She wants to calculate the density of one of these cubes. Blessy needs to measure two physical quantities. One of these is the mass of the cube. (a) Describe how she finds the mass of the cube. [1] (b) (i) What is the other physical quantity that Blessy needs to measure? [1] (ii) How does she find this physical quantity? [2]

15 © UCLES 2017 1113/01/O/N/17 [Turn over 11 Rabbits are herbivores and are adapted to survive in their environment. They live in grassy places and make nests in underground tunnels. (a) Look at the diagram. The rabbits are able to detect the presence of predators such as foxes. Write down one way shown in the picture in which rabbits are good at detecting predators. [1] (b) Rabbits make their nests in underground tunnels. Suggest two reasons why. 1 2 [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 2017 1113/01/O/N/17 12 Class 9 have a quiz about current and voltage. Their teacher gives them four questions. Answer the questions on the quiz. [4] Quiz 1. What equipment is used to measure current? ........................................................................ 2. What equipment is used to measure voltage? ........................................................................ 3. What is the unit of current? …………………………………………………… 4. What is the unit of voltage? ……………………………………………………