Cambridge International Examinations Cambridge Primary Checkpoint 0846/02 SCIENCE Paper 2 April 2017 45 minutes Candidates answer on the Question Paper. Additional Materials: Pen Pencil Ruler Calculator 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. This document consists of 18 printed pages and 2 blank pages. IB17 05_0846_02/7RP © UCLES 2017 [Turn over 2 1 Look at the pictures of different plant parts. (a) Circle the picture of one part that takes in water. [1] (b) Which part of a plant is normally at the bottom of the stem? Circle the correct answer. flower leaf petal root [1] © UCLES 2017 0846/02/A/M/17 3 2 This question is about the Earth and the Sun. For each sentence write true or false. The first one has been done for you. sentence The Earth is smaller than the Sun. (a) true or false true The Earth spins on its axis once every 24 hours. [1] The Earth spins on its axis once every 48 hours. (b) The Sun does not move around the Earth. [1] The Earth does not move around the Sun. (c) The Earth takes a year to orbit the Sun. [1] The Earth takes a day to orbit the Sun. © UCLES 2017 0846/02/A/M/17 [Turn over 4 3 Some cars are made from steel. Other cars are made from aluminium. The picture shows cars in a scrapyard. (a) Suggest how steel cars can be separated from aluminium cars. [1] (b) Explain why this method works. [2] © UCLES 2017 0846/02/A/M/17 5 4 Seeds have different methods of dispersal. (a) Draw a line to match the method of dispersal to the correct seed. method of dispersal seed animal coconut wind sycamore seed water sticky burr [2] (b) Name one other method of seed dispersal. [1] (c) Here is a picture of a strawberry. Describe how animals disperse the seeds of a strawberry. [1] © UCLES 2017 0846/02/A/M/17 [Turn over 6 5 Angelique works in a large kitchen. She is cooking rice in boiling water. (a) Boiling water is a reversible process. Cooking rice is an irreversible process. Explain why boiling water is reversible but cooking rice is irreversible. [2] (b) The walls of the kitchen get wet. Angelique knows that the water comes from the boiling water. Explain how the walls of the kitchen get wet. [2] © UCLES 2017 0846/02/A/M/17 7 6 Forces can be pushes or pulls. Here are six pictures. A D B C E F (a) How many of the pictures show only pulling forces? Circle the correct answer. 1 2 3 4 5 6 [1] (b) Which pictures show a pushing force? Circle the correct answers. A B C D E F [1] © UCLES 2017 0846/02/A/M/17 [Turn over 8 7 Zucchini plants have male flowers and female flowers. (a) Male flowers only contain male parts. Here is a male flower. What parts are in the male flower? Circle one correct answer. anther and filament anther and ovary ovary and filament stigma and ovule stigma and style [1] © UCLES 2017 0846/02/A/M/17 9 (b) Part of the male flower fertilises the female flower. Complete the sentence. The ovum of the female flower is fertilised by the from the male flower. [1] (c) The male flower fertilises the female flower. A zucchini fruit is made. zucchini fruit cut in half X What is labelled X inside the fruit? [1] © UCLES 2017 0846/02/A/M/17 [Turn over 10 8 The three states of matter are solid, liquid and gas. (a) What is the name of the process that occurs when a liquid turns into a gas? [1] (b) What change of state occurs during freezing? to 9 [1] The organs in the digestive system are essential. They work in order to digest food. Draw a line to connect each box of information to the correct part of the body. This part of the body starts the digestion of protein. It also contains acid. This part of the body absorbs the digested food into the blood. This part of the body is where food enters. It contains the tongue. [3] © UCLES 2017 0846/02/A/M/17 11 10 Safia investigates sound. Safia balloon radio She puts a balloon near a radio. She holds the balloon with her hands. (a) The radio is switched on. The radio makes a loud sound. What does Safia feel with her hands? [1] (b) Safia wants to measure the volume of the sound from the radio. What measuring equipment does she use? [1] (c) Distance is measured in units called metres. What units measure sound? Circle the correct answer. decibels meterbels soundbels unibels [1] © UCLES 2017 0846/02/A/M/17 [Turn over 12 11 Solid magnesium sulfate dissolves in water to form a colourless solution. (a) What is the name of the solvent in this colourless solution? [1] (b) The solution is left in a warm room for 10 days. After 10 days all the water has disappeared. What has happened to the water? [1] (c) After 10 days a solid is left behind. What is the name of the solid left behind? [1] © UCLES 2017 0846/02/A/M/17 13 12 Ahmed is learning about electrical circuits. (a) Ahmed draws an electrical circuit. The electrical circuit has a cell, a lamp and a switch. Draw the circuit symbols in the boxes to complete the diagram. [2] (b) Ahmed decides to add another lamp to the electrical circuit. Which one of the following sentences is true? Tick () the correct box. The lamp can be anywhere in the circuit. The lamp must be next to the cell. The lamp must be next to the other lamp. The lamp must be next to the switch. [1] © UCLES 2017 0846/02/A/M/17 [Turn over 14 13 Pierre and Carlos investigate how light affects plant growth. (a) Write down two factors they need to keep the same in their investigation. 1 2 [2] (b) Write down the factor they change. [1] (c) What do they measure to get their results? [1] 14 Rajiv is working on his computer and the light is off. light turned off Rajiv computer monitor on (a) Draw a ray of light on the diagram to show how the light enters Rajiv’s eyes. Show the direction that the light travels with an arrow (). © UCLES 2017 0846/02/A/M/17 [1] 15 (b) Rajiv turns the computer monitor off. He turns the light on. light turned on Rajiv computer monitor off Draw a ray of light on the diagram to show how the light enters Rajiv’s eyes. Show the direction that the light travels with an arrow (). © UCLES 2017 0846/02/A/M/17 [1] [Turn over 16 15 The table shows the properties of some solids. solid solubility in water is it magnetic? is it a lump or a powder? copper insoluble no lump salt soluble no powder steel insoluble yes powder Jamila has a mixture of copper, salt and steel. Describe how she can separate the copper from the mixture. Explain why the separation works. [2] 16 Lily has two magnets. she sticks one magnet to her toy car she holds the other magnet the toy car moves Lily magnets S S N toy car © UCLES 2017 toy car moves in this direction 0846/02/A/M/17 17 (a) Lily measures the distance the toy car moves. The toy car moves 5.0 cm. What does Lily use to measure 5.0 cm? [1] (b) Lily repeats the investigation using the same two magnets. Lily thinks one of the measurements is not correct. Circle the measurement that is not correct. 4.8 cm 5.0 cm 5.1 cm 5.3 cm 6.4 cm [1] (c) Lily picks up a third magnet. She makes a prediction. ‘I think this magnet will be stronger.’ This time the toy car moves 3.2 cm. Is the prediction correct? Explain your answer. [2] © UCLES 2017 0846/02/A/M/17 [Turn over 18 17 Blessy investigates the evaporation of water. She measures 100 cm3 of water and puts this into a beaker. She measures the time for all the water to evaporate. Blessy repeats the experiment three more times. Each time she uses a different sized beaker. beaker A beaker B beaker C beaker D (a) Blessy always uses 100 cm3 of water. Explain why. [1] (b) Blessy thinks that the temperature of the water affects the time taken for all the water to evaporate. Write down a possible prediction for the effect of temperature. [1] 18 All food chains start with a producer. Which one of the following organisms cannot start a food chain? Circle the correct answer. animal grass plankton plant tree [1] © UCLES 2017 0846/02/A/M/17 19 BLANK PAGE © UCLES 2017 0846/02/A/M/17 20 BLANK PAGE 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 0846/02/A/M/17