Centre Number Candidate Number Name UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS CAMBRIDGE INTERNATIONAL PRIMARY ACHIEVEMENT TEST 0843/02 SCIENCE Paper 2 November 2006 45 minutes Candidates answer on the Question Paper Candidates require: 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. 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. For Examiner’s Use Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Total Mark This document consists of 18 printed pages and 2 blank pages. IB06 11_0843_02/RP © UCLES 2006 [Turn over 2 1 (a) Different living things are found in different places. Draw lines to match each living thing to where it is normally found. crab sea shore cactus snowy mountain side fir tree desert [1] (b) All plants have common life processes. Which of the following are life processes common to all plants? Tick two boxes. Eating Growth Reproduction Watering [1] Page Total © UCLES 2006 0843/02/N/06 3 2 (a) Underline two things all green plants need to grow well. Food Salt Sunlight Water [1] (b) In some countries the temperature in winter is very cold. What will happen to the growth of the plants living there during winter? [1] (c) Here is a diagram of a plant. Label the parts of the plant. [1] Page Total © UCLES 2006 0843/02/N/06 [Turn over 4 3 Use the key below to name these flowers. A B C D 1. Are the petals separate? Yes go to 2 No go to 3 2. Does it have more than 5 petals Yes = anemone No = primrose 3. Is there more than one flower on a stem? Yes = heather No = bluebell (a) Name plant A. [1] (b) Name plant D. [1] Page Total © UCLES 2006 0843/02/N/06 5 4 Materials change when they are heated. (a) Draw lines to match up the materials with the result of heating. coal wood ice ash water steam air [2] (b) Chocolate becomes runny when it is heated. (i) State the word that describes this process. [1] (ii) What can be done to make the runny chocolate hard again? [1] Page Total © UCLES 2006 0843/02/N/06 [Turn over 6 5 The picture shows a magnet, a metal can, and some paper clips. N S metal can (a) Explain why the paper clips stick to the magnet but the metal can does not. [1] (b) Complete the table to show what will happen when magnets are placed as shown. Attract S N N S S N S N N S S N Repel [2] Page Total © UCLES 2006 0843/02/N/06 7 6 A hair dryer uses electricity to make heat and to move the fan. (a) Suggest one material that the cover of the plug should be made from. [1] (b) Explain why. [1] 7 Saskia wants to make a circuit to light up a bulb. She has a battery, a switch and a bulb. (a) What else does she need? [1] (b) She makes the circuit and closes the switch. The bulb lights up. Why does this happen? Tick one box. The switch makes a break in the circuit. The switch makes the circuit complete. The electricity is made in the switch. The switch charges the battery. [1] Page Total © UCLES 2006 0843/02/N/06 [Turn over 8 8 Chen makes a circuit using a fan, a switch, one cell (battery) and wires. He draws a diagram of his circuit. wires F cell fan switch The fan works when he closes the switch. (a) What is the flow of electricity called? [1] (b) The fan moves very slowly. What can Chen do to make the fan move faster? Add another cell Add another fan Add another switch Add another wire [1] Page Total © UCLES 2006 0843/02/N/06 9 9 Here is a diagram of a flower. On the diagram of the flower (a) Label with an S the part of the flower where the seeds form. [1] (b) Label with a P the part where the pollen is formed. [1] Page Total © UCLES 2006 0843/02/N/06 [Turn over 10 10 Look at these drawings. A B C D Complete these sentences using the letters A, B, C or D to represent the drawings. (a) uses light to make food. [1] (b) takes in water from the soil. [1] (c) germinate. [1] 11 Plants are often called producers. What does the term producer mean? Tick one box. They make gases to keep the air clean. They make the food that starts all food chains. They are an important part of the water cycle. They make seeds so new plants can grow. [1] Page Total © UCLES 2006 0843/02/N/06 11 12 The diagram shows the forces acting on a runner. C A B D (a) The runner uses special shoes to grip the ground. What is this gripping force called? [1] (b) The runner speeds up. Which statement describes the forces acting on her? Force A is equal to B Force A is greater than B Force A is less than B [1] Page Total © UCLES 2006 0843/02/N/06 [Turn over 12 13 Some children are talking about what happens when candle wax burns. The teacher says that it is an irreversible change. (a) What does this mean? [1] (b) The children look at more changes. Tick the box next to any irreversible change. Frying an egg Melting chocolate Mixing sugar and sand Boiling pure water [1] (c) State the temperature at which pure water boils at sea level? [1] Page Total © UCLES 2006 0843/02/N/06 13 14 Petra has a whistle. She can make the note loud or soft. (a) What must she do to make the note louder? blow more blow less cover up the hole [1] (b) What word describes how high or low a note sounds? [1] (c) Petra can hear the note she is playing. Name one thing the sound must travel through to reach her ear. [1] Page Total © UCLES 2006 0843/02/N/06 [Turn over 14 15 The diagram shows two people standing on the Earth. NOT TO SCALE Earth (a) What is the name of the force that pulls objects towards the centre of the Earth? [1] (b) Draw two arrows on the diagram to show the direction of this force on each of the people. [1] (c) Which of these is a unit used to describe force? Underline the correct answer. kilogram Newton centimetre litre [1] Page Total © UCLES 2006 0843/02/N/06 15 16 Which two of these statements about the Sun and Earth are true? 1. The Sun moves round the Earth once every year. 2. The Earth spins on its axis one full turn every 24 hours. 3. We have day and night because the Earth orbits the Sun. 4. Shadows are shortest at about mid-day. [2] Page Total © UCLES 2006 0843/02/N/06 [Turn over 16 17 (a) Use the words below to complete these statements. colour gases pour shape Solids keep their solids squash . You can liquids. spread out to fill their container. [2] (b) Dunstan puts some ice cubes into a dish and leaves it by a heater. The ice cubes get smaller. Why do the ice cubes get smaller? Tick one box. The ice is condensing. The ice is dissolving. The ice is evaporating. The ice is melting. [1] (c) (i) He leaves the dish by the heater all night. The next day the dish is empty. Where has the water gone? [1] (ii) He notices some white solid is left in the dish. Where has this solid come from? [1] Page Total © UCLES 2006 0843/02/N/06 17 18 Badru thinks that tall boys in his class will have bigger hands than short boys. He decides to test his idea. Look at the graph of his results. 24 22 20 hand size in cm 18 16 14 12 10 120 130 140 150 160 170 height in cm (a) What unit did he use to measure the boys’ hands? [1] (b) Do the results agree with Badru's original idea that tall boys have bigger hands than short boys? [1] (c) Explain your answer to (b). [1] Page Total © UCLES 2006 0843/02/N/06 [Turn over 18 19 Some children each make different model parachutes. They drop each parachute from 5 metres. They want to find out how fast the parachutes fall. (a) What must they measure? [1] They drop each parachute four times. (b) Why is it important that they repeat their results? [1] This is a table of their results. Average time of fall (seconds) Parachute A 7.4 Parachute B 3.6 Parachute C 12.2 Parachute D 8.9 (c) Which is the slowest parachute? [1] Page Total © UCLES 2006 0843/02/N/06 19 BLANK PAGE 0843/02/N/06 [Turn over 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. University of 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. 0843/02/N/06