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

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This document consists of 14 printed pages and 2 blank pages. IB08 11_0843_02/3RP © UCLES 2008 [Turn over *8602159246* For Examiner's Use Page Mark 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Total UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge International Primary Achievement Test SCIENCE 0843/02 Paper 2 October/November 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/O/N/08 1 Draw straight lines to match the Process to the Change of State . melting a liquid turning into a gas Process Change of State boiling a liquid turning into a solid freezing a solid turning into a liquid [2] 2 Animals survive by living in food chains. Look at the pictures below. Grass Impala Cheetah (a) Draw in the arrows to complete this food chain. [1] (b) Which organism is the PRODUCER? [1] (c) Which organism is the PREDATOR? [1] (d) Which organism is the CONSUMER? [1]

3 Page Total © UCLES 2008 0843/02/O/N/08 [Turn over 3 Materials are either man-made or naturally-occurring. (a) Underline three man-made materials in the list. glass metals nylon oil plastic rocks [2] (b) For each of the things shown name one naturally-occurring material and one man-made material it could be made from. Naturally-occurring Man-made [3]

4 Page Total © UCLES 2008 0843/02/O/N/08 4 Alex and Poppy are investigating soils. They have decided to look at which soil is best at retaining water. Alex put 100g of each soil into different trays and heated them together\ in the same oven for one hour. He took the trays out of the oven and let them cool down. When they were cool Poppy measured the mass of each tray. The results are shown in the table. Soil Mass before heating/g Mass after heating/g sandy 100 80 clay 100 45 gravelly 100 70 (a) Give two ways they make sure it is a fair test. 1 2 [2] (b) Why is there a change in mass in the soils when they are heated? [1]

5 Page Total © UCLES 2008 0843/02/O/N/08 [Turn over (c) (i) Why did the clay lose the most mass? [1] (ii) Tick (
) the box to show what the answer in (c)(i) is known as. prediction conclusion observation evidence [1] (d) The sand is permeable. What does permeable mean? [1]

6 Page Total © UCLES 2008 0843/02/O/N/08 5 Hermann is pulling a sledge up a snowy hill. A BC D (a) Write the letter of the arrow that shows the direction of Hermann’s p\ ulling force. [1] (b) Hermann now slides down the hill on the sledge. Whilst still moving, Hermann digs his boots into the snow. What happens to the speed of the sledge? [1] (c) When the sledge eventually stops, which of the following statements is t\ rue? Tick (
) one box. The sledge has the same amount of energy as it had when moving. The sledge has less energy than when it was moving. The sledge has more energy than when it was moving. [1]

7 Page Total © UCLES 2008 0843/02/O/N/08 [Turn over (d) What is the name of the force that makes the sledge stop? [1] 6 Kofi and Petra are in a room with a large mirror. The plan below shows t\ he position of the children and the mirror. Kofi Petra wall mirror (a) Draw two arrows on the picture to show how Petra can see Kofi. [2] (b) An opaque material is placed over the mirror. How does this change what Petra can see? [1]

8 Page Total © UCLES 2008 0843/02/O/N/08 7 This is a picture of a flowering plant. (a) Label the parts of the flower. [4] (b) How do insects help flowering plants to reproduce? [1] (c) Tick (
) the correct box to finish the following sentence. When a pollen grain joins with the ovary the plant is germinated. fertilised. dispersed. pollinated. [1]

9 Page Total © UCLES 2008 0843/02/O/N/08 [Turn over 8 Sophia is investigating electrical circuits to see how they behave. The \ first working circuit she builds is shown in the picture below. + cell – bulbs switch What happens to the brightness of the bulbs if (a) Sophia adds another bulb? [1] (b) Sophia now replaces one of the wires with a wire that is 5 times longer?\ [1] (c) Sophia now replaces the wire with o ne the same length but much thicker? [1] (d) Sophia removes one of the bulbs from its holder? [1]

10 Page Total © UCLES 2008 0843/02/O/N/08 9 Mixtures of two different solids can be separated by different methods. \ (a) Draw a line between the mixtures and how they can be separated. sieve fingers magnet mixed nuts iron powder and salt rice and flour [2] (b) The iron powder and salt mixture can a lso be separated by first adding the mixture to cold water and stirring and then filtering and evaporating. (i) What happens to the mixture when it is added to the water? [1]

11 Page Total © UCLES 2008 0843/02/O/N/08 [Turn over (ii) Write the letter of the apparatus you would use to get back: Iron powder Salt A B C [2]

12 Page Total © UCLES 2008 0843/02/O/N/08 10 Isaac is walking in a field and sees a set of animal tracks in the mud. \ He notices that the tracks from his boots are much deeper. (a) What is the name of the force that makes Isaac sink into the mud and mak\ e tracks? [1] (b) What unit is used to measure force? [1] (c) Why do you think that Isaac's tracks are deeper than the animals? [1]

13 Page Total © UCLES 2008 0843/02/O/N/08 [Turn over 11 The heart pumps blood around the body. To do this it needs special vesse\ ls to carry the blood to all the different parts of the body. (a) Join the Vessel to its Job. Artery Takes blood to the surface of the skin Vessel Job Capillary Carries oxygenated blood around the body Vein Carries blood back to the heart [3] (b) The heart is made up of tissue. What name is given to this type of tissue? [1]

14 Page Total © UCLES 2008 0843/02/O/N/08 12 Patrick is playing a note on a penny whistle. (a) Tick (
) one box in each row to say which statement is True or False. Statement True False The air inside the whistle is vibrating. The whistle is vibrating. The air around the whistle is vibrating. [2] (b) He now plays a note of a different pitch. Tick (
) the box that describes what ‘pitch’ means. How loud or quiet a note is How high or low a note is How long the note is played for [1] (c) How might he change the pitch of the note? [1]

15 0843/02/O/N/08 BLANK PAGE

16 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/O/N/08 BLANK PAGE