Download [PDF] May 2008 CAIE P2 Questions 0843 Science Cambridge Primary Checkpoint

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This document consists of 18 printed pages and 2 blank pages. IB08 06_0843_02/RP © UCLES 2008 [Turn over *2549037267* For Examiner's Use Page Mark 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Total UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge International Primary Achievement Test SCIENCE 0843/02 Paper 2 May/June 2008 45 minutes Candidates answer on the Question Paper. Additional Materials: Pen Calculator Pencil Ruler 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 questio\ n or part question. You should show all your working in the booklet.

2 Page Total © UCLES 2008 0843/02/M/J/08 1 (a) Underline two things that all humans need to take in to stay alive. carbon dioxide food light water [1] (b) Underline two things humans need to do to keep healthy. eat a good diet eat fried foods smoke cigarettes take exercise [1] (c) When we run we need to move the bones in our arms and legs. What is join\ ed to the bones to make them move? Tick (
) one box. arteries hairs muscles skin [1] 2 Joe knows he must look after his teeth. (a) What two things must he do to keep his teeth healthy? 1 2 [2]

3 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over (b) What is plaque? Tick (
) one box. a tooth used for grinding food a white covering on the teeth made by bacteria patches of decay on teeth the soft inner layer of a tooth [1] 3 flower stem leaf root Which part of the plant does these jobs? (a) Transports water around the plant. [1] (b) Uses light to make food for the plant. [1] (c) Takes in water and minerals from the soil. [1]

4 Page Total © UCLES 2008 0843/02/M/J/08 4 (a) These seeds are being carried away on the wind. This is called seed dispersal. What does seed dispersal prevent? Tick (
) one box. dehydration fertilisation germination overcrowding [1] (b) Describe one way that animals can help move seeds to grow in a new place. [1] (c) Which part of the plant starts to grow first after a seed cracks open? [1]

5 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over (d) Plants need light so they can grow properly. Light is not needed for see\ ds to germinate. Explain why. Tick (
) one box. Seeds do not use up energy. Seeds have their own store of food. Seeds get their food from the soil. Seeds are not living things. [1] 5 Look at the food chain shown here. leaf slug bird cat (a) How many consumers are there? [1] (b) Name the predator of the bird. [1] (c) Name the producer. [1] (d) Name the prey of the bird. [1]

6 Page Total © UCLES 2008 0843/02/M/J/08 6 Water can exist in three different forms. Ice 1 2Water (a) Fill in the missing word in the box. [1] (b) What is the name of the process 2 shown in the diagram when water turns into ice? [1] 7 (a) Sort these materials into solids, liquids and gases. Write the letters in the correct place on the table. solid liquid gas [2] (b) What is it called when a solid changes into a liquid when warmed? Underline your answer. boiling freezing melting solidifying [1] soap juice air (in a balloon)gold ring mercury (in a thermometer) ABCDE

7 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over 8 (a) The water cycle is shown in the diagram below . Sea Heat from the makes the water in the sea and lakes into water vapour. [2] (b) What is the name of the process when water vapour in the clouds turns in\ to liquid rain? [1]

8 Page Total © UCLES 2008 0843/02/M/J/08 9 (a) (i) Is burning wood a reversible or irreversible change? [1] (ii) Explain what this means. [1] (b) Wood makes many waste gases when it burns. How can the waste gases be changed into liquids? [1]

9 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over 10 Magnets are useful for picking up some materials. Iron is magnetic. What does this mean? Tick (
) one box. Iron attracts iron. Iron attracts plastic. Magnets attract iron. Magnets attract metals. [1]

10 Page Total © UCLES 2008 0843/02/M/J/08 11 (a) Use the words below to complete the sentence. colour direction speed weight When the footballer kicks a football, t he force of the kick can change the and the of the ball. [2] (b) The footballer must make sure his feet do not slip when he kicks the bal\ l. Name the force that gives him a good grip so he does not slip. [1] (c) The picture shows football boots. What gives football boots a good grip? [1]

11 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over 12 Jon stretches a rubber band between his fingers. When he plucks it with his other hand it makes a sound. (a) Why does the rubber band make a sound? [1] (b) How can he make the sound louder? [1] (c) When he moves his fingers further apart the rubber band stretches more. \ This changes the pitch of the sound. What is pitch? [1]

12 Page Total © UCLES 2008 0843/02/M/J/08 13 cell (battery) bulb +- (a) Usha is describing how her circuit works. Are her statements true or false? Tick (
) one box in each row to say whether each statement is True or False . Statement True False Electric current flows from the cell (battery) around the circuit and back again. If there is a gap in the circuit after the cell (battery), it will still work. [2] (b) What can Usha add to the circuit so she can easily turn the bulb on and\ off? [1]

13 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over (c) Usha turns round the cell (battery) so the wire to the bulb is on +. What happens to the brightness of the bulb? Tick (
) one box. cell (battery) bulb +- The bulb is brighter. The bulb is dimmer. The bulb does not work. There is no change. [1]

14 Page Total © UCLES 2008 0843/02/M/J/08 14 (a) Underline two materials which let light through. air metal stone water [1] (b) What do you see behind an opaque material which blocks the light from a \ light source? Tick (
) one box. echo image reflection shadow [1]

15 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over 15 (a) Suggest one material which could be used for the wire inside these electrical plugs. [1] (b) Explain why. [1] (c) Use one word to complete the sentence below. People often wear rubber boots when they use electrical tools. This is because rubber is a good electrical [1]

16 Page Total © UCLES 2008 0843/02/M/J/08 16 Test 1 Juanita is looking at the behaviour of a burning candle. She puts a jar over a lighted candle as shown in Test 1. (a) How can she measure the capacity (volume) inside the jar? [1]

17 Page Total © UCLES 2008 0843/02/M/J/08 [Turn over (b) In Test 1 she times how long it takes for a candle flame to go out. Test 1 Test 2 Test 3 She repeats her test (Test 2 and Test 3) using identical candles and t\ he same jar. These are her results. Time for candle to go out (seconds) Test 1 20 Test 2 15 Test 3 17 She does not know why the results are different. She thinks that her tes\ t is not fair. Tick (
) one box which gives the reason why her test is not fair. She cannot tell exactly when the flame goes out. There are waste gases in the jar. Her timer is inaccurate. She should have used the same candle. [1]

18 Page Total © UCLES 2008 0843/02/M/J/08 (c) She wants to find out more about burning. She predicts that for the cand\ le to burn longer it will need more oxygen. What should she change to test her prediction? Tick (
) one box. the candle the size of jar the temperature the time [1] These are her results. A B C D Experiment volume (ml) 50 100 150 200 Average time (s) 11 23 44 47 She notices that one result does not fit the pattern. (d) (i) Which result should she check? [1] (ii) Predict what the result should be. [1]

19 0843/02/M/J/08 BLANK PAGE

20 Permission to reproduce items where third -party owned material protected by copyright is included has been sought\ and cleared w here possible. Every reasonable effort has been made by the publisher (UCLES) to t race copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opport\ unity. 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 depa\ rtment of the University of Cambridge. 0843/02/M/J/08 BLANK PAGE