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This document has 20 pages. Blank pages are indicated. IB20 05_0846_02/5RP © UCLES 2020 [Turn ove r   Cambridge Primary Checkpoint SCIENCE 0846/02 Paper 2 April 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 0846/02/A/M/20 1 The mango tree produces fruit. fruit The fruit contains seeds. The seeds are used to grow new mango trees. (a) What is this life process called? [1] (b) The mango tree produces lots of fruit. Why does it produce lots of fruit? Circle the correct answer. to collect light to collect water to help the tree grow to look pretty to make many seeds [1]

3 © UCLES 2020 0846/02/A/M/20 [Turn over 2 At room temperature a material is either a solid, liquid or a gas. Complete the table by putting ticks () in the correct boxes. One has been done for you. material at room temperature material is a ….. solid liquid gas carbon dioxide  gasoline mercury nitrogen [3] 3 These sentences are about caring for the environment. Circle the words in bold that make each sentence correct. We must recycle less / more of our rubbish. We must increase / reduce energy consumption. We must drop / pick up litter. We must destroy / protect habitats. We must clean / pollute rivers. [2]

4 © UCLES 2020 0846/02/A/M/20 4 During a storm there is thunder and lightning. They are made at the same time. Mike records the time of day he sees the lightning. He counts the number of seconds between seeing the lightning and hearing the thunder. time of day he sees the lightning number of seconds between the lightning and thunder 11:00 8 11:04 6 11:06 5 11:09 2 11:13 4 11:17 9 Write down two observations about the results. 1 2 [2]

5 © UCLES 2020 0846/02/A/M/20 [Turn over 5 Chen draws different parts of plants. AB C What are the names of these parts? A B C [1]

6 © UCLES 2020 0846/02/A/M/20 6 Match the following processes to the correct change of state. Draw a line between the process and the correct change of state. process change of state gas to liquid condensation gas to solid evaporation liquid to gas freezing liquid to solid melting solid to gas solid to liquid [4]

7 © UCLES 2020 0846/02/A/M/20 [Turn over 7 Yuri investigates how arms move. (a) What contracts to make an arm move? [1] (b) Look at the picture of the arm. elbow Label the part that contracts to make this arm bend at the elbow. Use the letter X for your label. [1]

8 © UCLES 2020 0846/02/A/M/20 8 Orange juice is stored in plastic bottles. (a) Plastic is insoluble in water. What does insoluble in water mean? [1] (b) It is important that the plastic used to make orange juice bottles is insoluble in water. Explain why. [1] (c) Name one other property of plastic that makes it suitable for making orange juice bottles. [1] (d) Glass can also be used to make bottles for storing orange juice. Suggest one disadvantage of using glass instead of plastic to make the bottles. [1]

9 © UCLES 2020 0846/02/A/M/20 [Turn over 9 Plants have life cycles. (a) Draw a line from each stage of the life cycle to its description. stage description fertilisation insects move from flower to flower germination happens in the fruit seed production ovum and pollen meet pollination shoot and root begin to grow [3] (b) There are different stages in the life cycle of a plant. What stage comes after seed production but before germination? Describe how animals take part in this stage. [2]

10 © UCLES 2020 0846/02/A/M/20 10 Jamila is singing on a stage. There are five spotlights above the stage. Each spotlight is turned on one at a time. stage Jamila A B C D E spotlight (a) Which spotlight produces the longest shadow? Circle the correct answer. A B C D E [1] (b) Which spotlight produces almost no shadow? Circle the correct answer. A B C D E [1] (c) What piece of apparatus is used to measure the light intensity? [1]

11 © UCLES 2020 0846/02/A/M/20 [Turn over 11 (a) Look at the two plates of food. plate Aplate B fish salad meat piechips Ahmed needs to lose some weight. Which plate of food should he choose? Explain your answer. [1] (b) Ahmed finds this label on a packet of food. Saturates 1.8 g per serving Sugars 41.5 g per serving Salt 1.9 g per serving 280 Calories per servingFat LOW LOW HIGH MED6.4 g per serving Explain why this food is not a healthy choice. [1]

12 © UCLES 2020 0846/02/A/M/20 12 Mia has ten boxes. Each box has a fact about the Earth. Only four of the boxes have true facts. One box with a true fact has been ticked for you. Put a tick () in the boxes of the other three true facts. The Earth spins on its axis. The Earth only spins in the morning. The Earth orbits the Sun.  The Earth spinning on its axis causes day and night. The Earth takes 24 hours to orbit the Sun. The Earth takes a year to spin on its axis. The Earth moves very close to the Sun and then stops. The Earth takes a year to orbit the moon. The Earth takes 24 hours to spin on its axis. The Earth spins to the left and then to the right. [3]

13 © UCLES 2020 0846/02/A/M/20 [Turn over 13 Look at the food chain. grass rabbit weasel owl (a) How many consumers are there in this food chain? [1] (b) How many predators are there in this food chain? [1] (c) How many prey are there in this food chain? [1]

14 © UCLES 2020 0846/02/A/M/20 14 Lily plays a musical instrument. She blows into the instrument. This makes a sound. (a) Describe how blowing into the instrument makes a sound. [1] (b) What does Lily do to make the sound louder? [1]

15 © UCLES 2020 0846/02/A/M/20 [Turn over 15 Mike adds solids to water. (a) He adds 1g of sugar to 100 cm 3 of water. He stirs the mixture. What does he observe? [1] (b) Mike adds 1g of salt to 100 cm 3 of water. He stirs the mixture. It is a solution. What colour is the solution? [1] (c) Mike filters the salt solution. The salt is not separated from the water. Explain why. [1] (d) Describe how Mike can separate salt from water. [2]

16 © UCLES 2020 0846/02/A/M/20 16 Pierre and Rajiv investigate how seeds are dispersed. They make a model seed from paper. wings paper clip Pierre drops the model seed from a height of 2 m. Rajiv measures the time it takes for the model seed to fall to the ground. They repeat their method but change the length of the wings. Here are their results. length of wings in time to fall in seconds 6 2.3 5 2.1 4 2.4 3 1.7 2 1.5 (a) Pierre and Rajiv have not put the units for the length of the wings in the table. Complete the table. [1] (b) Most of the results fit a pattern. Complete the sentence about this pattern. The shorter the wings the .[1]

17 © UCLES 2020 0846/02/A/M/20 [Turn over (c) Which length of wings does not fit the pattern? [1] (d) They want to do a new investigation about how seeds are dispersed. They have already investigated the length of the wings. Write down two other factors about the model seed they could investigate. 1 2 [2]

18 © UCLES 2020 0846/02/A/M/20 17 An astronaut is on the Moon. She looks at the Earth. Earth Moon astronaut Why can the astronaut see the Earth from the Moon? Complete the sentences. Light comes from the . This light hits the Earth and is . This light reaches the astronaut on the Moon. The astronaut sees the Earth because the light enters her . [2]

19 © UCLES 2020 0846/02/A/M/20 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 2020 0846/02/A/M/20 BLANK PAGE