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This document consists of 17 printed pages and 3 blank pages. IB19 10_0846_01/4RP © UCLES 2019 [Turn over Cambridge Assessment International Education Cambridge Primary Checkpoint SCIENCE 0846/01 Paper 1 October 2019 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 in the spaces at the top of this page. Write in dark blue or black pen. DO NOT WRITE IN ANY BARCODES. Answer all questions. The number of marks is given in brackets [ ] at the end of each question or part question. You should show all your working in the booklet. The total number of marks for this paper is 50.
2 © UCLES 2019 0846/01/O/N/19 1 Insects are useful for flowers. flowerinsect What is the insect doing to the flower? Circle the correct answer. dispersing the flower germinating the flower making seeds for the flower pollinating the flower [1]
3 © UCLES 2019 0846/01/O/N/19 [Turn over 2 Some materials conduct electricity. Circle two materials that conduct electricity. copper glass iron paper plastic sand wood [2] 3 Hassan owns a motor car. For each material in the table, put a tick () in the correct column to show if it is a solid, a liquid or a gas at room temperature. material solid liquid gas air gasoline iron plastic rubber [2]
4 © UCLES 2019 0846/01/O/N/19 4 Class 5 have a quiz about the Earth. Write down the answers to the questions. Earth Quiz 1. What is the name of the Earth’s path around the Sun? 2. How many days does it take the Earth to go around the Sun once? 3. The Earth is also moving on its own axis. What word describes this movement of the Earth? [2]
5 © UCLES 2019 0846/01/O/N/19 [Turn over 5 Anastasia cooks potatoes in hot water. cooking pot wate r potato heat She puts the cooking pot over a flame and heats the water for 25 minutes. (a) What happens to water when it is boiling? [1] (b) Explain why boiling water is a reversible change. [1] (c) Explain why cooking a potato is an irreversible change. [1]
6 © UCLES 2019 0846/01/O/N/19 6 Angelique makes a musical instrument. two large sticks small stick rubber band She blows between the two large sticks. This makes a sound with a steady pitch. Angelique makes the musical instrument again. This time she uses shorter sticks and blows harder. two shorter sticks Complete the sentences. When she blows harder between the sticks the sound is . When she uses shorter sticks the sound is . [2]
7 © UCLES 2019 0846/01/O/N/19 [Turn over 7 The diagram shows some organs of the body. A B C D E F (a) Which letter is the liver? [1] (c) Explain why the body needs organ B to stay alive. [2] (b) Which letter shows the organ that filters the blood? [1]
8 © UCLES 2019 0846/01/O/N/19 8 The diagram shows a forcemeter. 3 (a) What type of force is it measuring? Circle the correct answer. friction push twist upthrust [1] (b) The forcemeter points to 3. The force is doubled. What does the forcemeter now point to? [1] (c) What is the unit of force? [1]
9 © UCLES 2019 0846/01/O/N/19 [Turn over 9 The picture shows the skeleton of a rabbit. X (a) Which organ does part X of the skeleton protect? [1] (b) What is the function of the organ that part X protects? [1] Complete these sentences. (c) The skeleton protects, moves and the body. [1] (d) To move the skeleton there are attached to the bones. [1]
10 © UCLES 2019 0846/01/O/N/19 10 Oliver makes tea. He adds boiling water to the tea leaves. A brown solution is made. boiling water added tea leaves (a) Suggest why the boiling water becomes brown. [1] (b) Oliver wants to keep the brown solution but separate it from the tea leaves. He uses sieving. Explain why sieving works. [2] (c) Suggest one other way to separate the brown solution from the tea leaves. [1]
11 © UCLES 2019 0846/01/O/N/19 [Turn over 11 Rajiv grows two trays of plants. He puts one tray in the light. He puts the other tray in the dark. He looks at the trays of plants after 5 days. tray of plants in the light tray of plants in the dark (a) Describe two differences between the plants in the light and the plants in the dark. 1 ……………………………………….............................................................................................. ……………………………………….............................................................................................. 2 ……………………………………….............................................................................................. ……………………………………….............................................................................................. [2] (b) Why does Rajiv put more than one plant in each tray? [1] (c) Why do plants need light? [1]
12 © UCLES 2019 0846/01/O/N/19 12 It is possible to identify a substance from looking at its properties. Here are some properties of six substances. substance melting point in C boiling point in C Is it magnetic? Is it a good conductor of heat? A 1470 3010 yes yes B –77 –10 no no C 0 106 no no D 1535 2750 yes yes E 0 100 no no F –20 100 no no (a) Which two substances could be steel? Choose from A, B, C, D, E or F. and Explain your answer. [2] (b) One of the substances is water. Which substance? Choose from A, B, C, D, E or F. [1] (c) The temperature in a laboratory is 25 C. Which substance is a gas in this laboratory? Choose from A, B, C, D, E or F. [1]
13 © UCLES 2019 0846/01/O/N/19 [Turn over (d) Substance D melts at 1535 C. What happens when a substance melts? [1] 13 A cactus plant lives in the desert. The cactus plant has features which make it suited to live in the desert. They do not have leaves so they lose less water. List two other features the cactus plant has. Explain how each feature makes the cactus plant suited to live in the desert. feature explanation feature explanation [4]
14 © UCLES 2019 0846/01/O/N/19 14 Class 6 investigate light. A hole is cut in a box. A flashlight (torch) is put inside the box. Different materials are put over the hole in the box. box with flashlight inside hole material (a) Predict what will happen if the material is opaque. Complete the sentence. If the material is opaque I predict [1] (b) Which material is opaque? Circle the correct answer. glass ice water wood [1]
15 © UCLES 2019 0846/01/O/N/19 [Turn over 15 Look at the diagrams of four electrical circuits. (a) How many electrical circuits will work? Circle the correct answer. 0 1 2 3 4 [1] (b) Draw the electrical symbol for a motor in the space below. [1]
16 © UCLES 2019 0846/01/O/N/19 16 Yuri investigates how much salt dissolves in water. He predicts that the hotter the water, the more salt will dissolve. Here are his results. temperature of water in °C mass of salt dissolved in …. 10 27 20 29 30 31 40 33 50 35 60 37 (a) Yuri forgets to put the unit for mass in the table. What is the unit for mass? [1] (b) Yuri uses 100 cm 3 of water for each temperature of water. Explain why. [1] (c) Yuri’s friend suggests he repeat the experiment. Why is this a sensible suggestion? [1]
17 © UCLES 2019 0846/01/O/N/19 (d) Yuri predicted that the hotter the water, the more salt would dissolve. Do Yuri’s results agree with his prediction? Explain your answer using information from the results table. [2] (e) Yuri decides to present his results. Which would be the best way? Circle the correct answer. a pie chart a bar chart a line graph a labelled diagram [1]
18 © UCLES 2019 0846/01/O/N/19 BLANK PAGE
19 © UCLES 2019 0846/01/O/N/19 BLANK PAGE
20 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 Assessment International Education Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cambridgeinternational.org after the live examination series. Cambridge Assessment International Education is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of the University of Cambridge Local Examinations Syndicate (UCLES), which itself is a department of the University of Cambridge. © UCLES 2019 0846/01/O/N/19 BLANK PAGE