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This document has 20 pages. IB22 05_0846_02/9RP © UCLES 2022 [Turn ove r  Cambridge Primary Checkpoint SCIENCE 0846/02 Paper 2 April 2022 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 2022 0846/02/A/M/22 1 The three states of matter are solid, liquid and gas. Here is a diagram of the three states of matter of water. substance A substance B liquid waterboiling process Z process X process Y (a) Name substance A and substance B. A B [1] (b) Name process X. [1] (c) Name process Y. [1] (d) Name process Z. [1]

3 © UCLES 2022 0846/02/A/M/22 [Turn over 2 The diagram shows a man parachuting. (a) A force slows the speed of the man. Write down the name of this force. [1] (b) The weight of the man pulls him towards the Earth. Weight is different to mass. Complete the sentences about the difference between weight and mass. The unit of weight is . The unit of mass is . [2]

4 © UCLES 2022 0846/02/A/M/22 3 Blessy investigates sinking. Blessy uses a rubber ball that does not sink in water. She adds one pin to the rubber ball then puts the rubber ball in the water. She observes if the rubber ball sinks. Here is part of her method. collect a beaker of water, pins and a rubber ball add one pin to the rubber ball and put it in the water record how many pins are in the rubber ball yes no BA (a) A question is missing from box A in her method. Write down this missing question. [1] (b) An instruction is missing from box B in her method. Write down this missing instruction. [1] put the rubber ball in the water

5 © UCLES 2022 0846/02/A/M/22 [Turn over 4 Plants have life cycles. Look at part of the life cycle of a plant. fertilisation seed production stage X germination (a) Describe what happens during stage X. [1] (b) Suggest why stage X occurs during the life cycle of a plant. [1] (c) Complete the sentence. Seed production happens in the of a plant. [1] (d) Complete the sentence. Fertilisation happens when . [1]

6 © UCLES 2022 0846/02/A/M/22 5 Ahmed ties three balloons to an empty drink container. drink containerballoon top of table He puts the drink container above the top of the table. The forces are balanced so the drink container does not move. (a) Ahmed measures the distance between the drink container and the top of the table. Name the equipment he uses to measure the distance. [1]

7 © UCLES 2022 0846/02/A/M/22 [Turn over (b) Ahmed repeats the investigation with a smaller drink container. To make the forces balance he adds water to the smaller drink container. Ahmed measures the water. 1 2 3 4 5 water6 7 8 9 10 cm 3 Complete the sentences. Ahmed measures the water in a . The volume of water he measures is cm 3. [2] 6 This question is about dissolving. Draw a line between the word and its correct meaning. soluble solvent insoluble solution word a solid that dissolves in water the liquid that dissolves a solid a mixture of a dissolved solid and water a solid that does not dissolve in water meaning [3]

8 © UCLES 2022 0846/02/A/M/22 7 Jamila finds pictures of different animals on the internet. fox eagle spoonbillpygmy slow loris sloth camel Complete the sentences using these animals. (a) The animal that grips and tears the flesh of its prey is the . It grips its prey because it has · [2] (b) The animal that hears its prey when it is a long distance away is the . It hears its prey because it has · [2]

9 © UCLES 2022 0846/02/A/M/22 [Turn over 8 Mia is playing a guitar. guitar (a) Complete the sentence. Mia hears the guitar because the air between the guitar and her ear . [1] (b) Complete the sentence. Changing the length of the guitar string will change the of the sound. [1] (c) Complete the sentence. Plucking the guitar string with more force will make the sound . [1]

10 © UCLES 2022 0846/02/A/M/22 9 Oliver investigates shadows. He makes a butterfly shape. transparent material opaque material butterfly shape He shines a light on the butterfly shape. A shadow is made on a screen. (a) Draw the shadow Oliver sees on the screen. screen [1]

11 © UCLES 2022 0846/02/A/M/22 [Turn over (b) The butterfly is moved closer to the screen. The light is not moved. Describe what happens to the shadow. [1]

12 © UCLES 2022 0846/02/A/M/22 10 Different materials have different properties. Draw a line between each material and its correct property. colourless gas attracted towards a magnet silver liquid flammable pink solid white solid soft gasoline salt copper oxygen steel material property [5] red-brown solid

13 © UCLES 2022 0846/02/A/M/22 [Turn over 11 Safia connects an electrical circuit. cell wire lamp B lamp A switch Lamp A does not light. (a) Safia says, ‘Lamp B will light.’ Tick () to show if Safia is correct. yes no Explain your answer. [1] (b) What does Safia do to make lamp A light? [1] (c) What flows through the electrical circuit when lamp A lights? [1]

14 © UCLES 2022 0846/02/A/M/22 12 Class 6 investigate where insects live. They look under logs of wood. logs of wood at the top of the pile logs of wood at the bottom of the pile They count the number of insects under each log. (a) Class 6 make their investigation a fair test. Circle one way they make their investigation a fair test. add water to each log different children count the number of insects only count the first ten insects use gloves to lift the logs use the same size logs [1]

15 © UCLES 2022 0846/02/A/M/22 [Turn over (b) The class make a prediction, ‘Most of the insects will be found under the logs at the bottom of the pile. The reason is that the logs at the bottom of the pile are cooler.’ Write down two other reasons why they make this prediction. The logs at the bottom of the pile are . The logs at the bottom of the pile are . [2] (c) They measure the temperature under the logs at the bottom of the pile. Name the equipment they use to measure the temperature. [1]

16 © UCLES 2022 0846/02/A/M/22 13 Chen cooks some rice. He puts the rice in boiling water. He keeps the water boiling for 15 minutes until the rice is cooked. (a) What is the temperature of the boiling water? [1] (b) Describe how Chen separates the rice from the water. [1] (c) What type of change is cooking rice? Tick () the correct answer. reversible irreversible Explain your answer. [1]

17 © UCLES 2022 0846/02/A/M/22 [Turn over 14 Pierre and Youssef make a model of a part of the Solar System. X (a) Write down the name of the path labelled X. [1] (b) Pierre says, ‘The Earth spins on its axis once a day.’ Tick () two sentences that show Pierre is correct. sentence Different parts of the Earth are in day or night. The Earth moves around the Sun. The Moon moves around the Earth. There are 12 months in a year. There are 24 hours in a day. [2] Not drawn to scale

18 © UCLES 2022 0846/02/A/M/22 15 The diagram shows the outline of a body. A B E DC (a) Which label on the outline of the body shows the position of the brain? Circle the correct answer. A B C D E [1]

19 © UCLES 2022 0846/02/A/M/22 [Turn over (b) Look at the picture of an organ. Which label on the outline of the body shows the position of this organ? Circle the correct answer. A B C D E [1] (c) What is the function of this organ? Circle the correct answer. chewing food breaking down poisons digesting food taking in oxygen [1]

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 Cambridge Assessment. Cambridge Assessment is the brand name of the University of Cambridge Local Examinations Syndicate (UCLES), which is a department of the University of Cambridge. © UCLES 2022 0846/02/A/M/22 16 Here is a table of information about some materials. material is it attracted to a magnet? does it have a melting point below 20 °C? is it transparent? A no no yes B no no no C no yes yes D yes no no E no yes no One of the materials is water. Circle the material that is water. A B C D E [1]