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This document has 24 pages. Blank pages are indicated. IB20 10_0846_01/8RP © UCLES 2020 [Turn ove r  Cambridge Primary Checkpoint SCIENCE 0846/01 Paper 1 October 2020 45 minutes You must answer on the question paper. No additional materials are needed. INSTRUCTIONS • Answer all questions. • Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs. • Write your name, centre number and candidate number in the boxes at the top of the page. • Write your answer to each question in the space provided. • Do not use an erasable pen or correction fluid. • Do not write on any bar codes. • You should show all your working in the booklet. • You may use a calculator. INFORMATION • The total mark for this paper is 50. • The number of marks for each question or part question is shown in brackets [ ].

2 © UCLES 2020 0846/01/O/N/20 1 Complete the sentences about food chains. Choose from consumer food chain habitat producer predator prey All food chains start with a . An animal that eats a plant is a . An animal that chases and eats another animal is a . An animal eaten by another animal is a . [3]

3 © UCLES 2020 0846/01/O/N/20 [Turn over 2 Mike finds a diagram of the Earth. It shows what happens to the Earth over 24 hours. Complete the labels on the diagram. ......................................... The Earth’s ................................................................... [2]

4 © UCLES 2020 0846/01/O/N/20 3 Yuri draws pictures of five different human organs. ABC E D Complete the sentences. Choose from A B C D E The organ that pumps blood around the body is . The organ that filters the blood is . The organ that puts oxygen into the blood is . The organ that controls the body is . [2]

5 © UCLES 2020 0846/01/O/N/20 [Turn over 4 Here is a list of properties. flexible brittle good conductor of electricity poor conductor of electricity good conductor of heat poor conductor of heat high melting point low melting point soluble insoluble (a) Copper is used to make a cooking pot. Explain why. Choose two properties from the list. 1 2 [2] (b) Copper is used to make electrical wires. Explain why. Choose two properties from the list. 1 2 [2]

6 © UCLES 2020 0846/01/O/N/20 5 Scientists explore the solar system and stars. What equipment do scientists use to see the stars? Circle the correct answer. microscope stop-watch tape measure telescope [1] 6 Different materials are used to make the containers for drinks. These materials include aluminium, glass, plastic and steel. Here is a table of information about these materials. Complete the table. material is it a metal? is it attracted to a magnet? is it transparent? is it soluble in water? aluminium …………………….. no no …………………….. glass no …………………….. …………………….. no plastic …………………….. …………………….. yes no steel yes yes …………………….. …………………….. [4]

7 © UCLES 2020 0846/01/O/N/20 [Turn over 7 Oliver draws a diagram to show how shadows are made. source of lightobjectscreen (a) Oliver has not labelled the position of the shadow. Label the position of the shadow on the diagram. [1] (b) Explain what makes the shadow. [1] (c) Describe what Oliver does to make the shadow bigger. [1]

8 © UCLES 2020 0846/01/O/N/20 8 The pictures show different stages in the life cycle of plants. The pictures are not in the correct order. A insect picks up pollenB plant makes seedsC insect carries pollenD flowers grow E new plant growsF animal disperses seedsG insect pollinates flowers (a) Which stage comes next after stage C (insect carries pollen)? Circle the correct answer. A B D E G [1] (b) Which stage comes next after stage F (animal disperses seeds)? Circle the correct answer. A B D E G [1]

9 © UCLES 2020 0846/01/O/N/20 [Turn over 9 Here is a list of sentences. Decide if each sentence is true or false. Tick () the correct box. sentence true false Burning diesel fuel in a truck is irreversible. Condensation of steam is reversible. Sugar dissolves in water to form a solution. Sand is soluble in water. Evaporation separates a mixture of sugar and sand. Dissolving a solid in water is reversible. A magnet separates a mixture of gold and silver. Rusting of iron is reversible. [4]

10 © UCLES 2020 0846/01/O/N/20 10 Blessy investigates friction. She uses four different materials. aluminium foil paper bumpy plastic smooth plastic four boards card Blessy • puts each material on some card • puts the end of each card onto four boards • rolls a ball down each material. (a) Complete the sentences. Blessy uses the boards to . Blessy always uses four boards to . [2]

11 © UCLES 2020 0846/01/O/N/20 [Turn over (b) Complete the prediction. Choose from aluminium foil bumpy plastic paper smooth plastic least friction most friction no friction The ball will take the longest time to reach the end of the . This is because this material has [1] (c) Blessy wants to make the investigation more reliable. Write down one thing she does to make the investigation more reliable. [1]

12 © UCLES 2020 0846/01/O/N/20 11 Plants have a life cycle. One part of the life cycle is shown in the diagram. seed soil (a) Write down the name of this part of the life cycle. [1] (b) What do plants need for this part of the life cycle? [1]

13 © UCLES 2020 0846/01/O/N/20 [Turn over 12 Hassan has a sample of a liquid. (a) Name the piece of equipment he uses to accurately measure 50 cm 3 of this liquid. [1] (b) Hassan heats the liquid until it boils. Look at the reading on the thermometer when the liquid is boiling. 105 104 103 102 101 100 Write down the boiling point of the liquid. [1]

14 © UCLES 2020 0846/01/O/N/20 13 Jamila uses a sound level meter to measure the volume of sound in different places. Here are her results. place volume of sound in ……… garden 30 playground 71 road 65 (a) Jamila has not put the unit for the volume of sound into the table. Complete the table. [1]

15 © UCLES 2020 0846/01/O/N/20 [Turn over (b) Jamila plays the violin. stringsbow Jamila What does Jamila do to change the pitch of the note she is playing? Tick () the correct three answers. pulls the bow across the string harder  pulls the bow across the string softer  uses a thicker string  uses a thinner string  uses her fingers to change the length of the string  [2]

16 © UCLES 2020 0846/01/O/N/20 14 Here are five electrical circuits. +– +– +– +– +– +– +– A B C DE (a) Chen draws this electrical circuit diagram. Which electrical circuit has Chen drawn? Circle the correct answer. A B C D E [1]

17 © UCLES 2020 0846/01/O/N/20 [Turn over (b) Which electrical circuit has the brightest lamp? Circle the correct answer. A B C D E [1] (c) What is the name of this electrical symbol? M [1] 15 Look at the picture of a polar bear. The polar bear is suited to its environment. (a) Complete the sentence. The polar bear has thick fur to . [1] (b) Complete the sentence. The polar bear does not sink into the snow because it has . [1]

18 © UCLES 2020 0846/01/O/N/20 16 Pierre climbs mountains. He boils water when he is camping on a mountain. He notices that the water boils at different temperatures. He writes down the height of the mountain and the temperature that the water boils. Here is the page from his notebook. (a) Complete the table with Pierre’s results. Include the headings. [3]

19 © UCLES 2020 0846/01/O/N/20 [Turn over (b) Pierre makes a conclusion. The temperature of the boiling water increases the higher I am up the mountain. Do Pierre’s results support his conclusion? Explain your answer. [1]

20 © UCLES 2020 0846/01/O/N/20 17 The diagram shows parts of a flower. A B C D E (a) Which part of the flower is a male organ? Circle the correct answer. A B C D E [1] (b) Which part of the flower is a female organ? Circle the correct answer. A B C D E [1]

21 © UCLES 2020 0846/01/O/N/20 [Turn over 18 Humans have a positive and a negative effect on the environment. Which one of the following has a positive effect on the environment? Tick () the correct answer. increasing waste littering causing loss of species protecting habitats increasing energy use [1]

22 © UCLES 2020 0846/01/O/N/20 19 The picture shows a koala. Koalas have a skeleton similar to humans. (a) Complete the sentence about skeletons. Choose from excretion nutrition reproduction senses support Skeletons are needed for movement, protection and · [1]

23 © UCLES 2020 0846/01/O/N/20 (b) Complete the sentence about skeletons. Choose from hair muscles organs skin teeth To move the skeleton the body needs · [1]

24 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 2020 0846/01/O/N/20 BLANK PAGE