[PDF] Cambridge Primary Checkpoint - Science (0843) June 2007 Paper 2.pdf | Plain Text

This document consists of 19 printed pages and 1 blank page. IB07 05_0843_02/3RP © UCLES 2007 [Turn over *5978786184* For Examiner's Use Page Mark 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Total UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge International Primary Achievement Test SCIENCE 0843/02 Paper 2 May/June 2007 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 2007 0843/02/M/J/07 1 Look at the two pictures below. (a) What can the rabbit do that the car cannot do? Tick (
) one box. fly grow move make a noise [1] (b) The rabbit needs nutrition. What does this mean? Tick (
) one box. It needs fresh air. It needs food. It needs a warm place to live. It needs care from its parents. [1] (c) Both plants and animals produce young. What is the name of this life process? [1]

3 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over 2 (a) Water passes up the tree trunk to the leaves. How does water get to the tree trunk? [1] AB (b) Why are there more plants growing at B than at A? [1]

4 Page Total © UCLES 2007 0843/02/M/J/07 3 The picture shows a cactus plant. flower (a) What is the habitat of this cactus? Tick (
) one box. desert forest marsh seaside [1] (b) What stops the cactus blowing away in the wind? [1]

5 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over (c) The cactus is in flower. Flowers contain organs. Tick (
) one box to show which words will complete this statement correctly. male and female only male only female [1] (d) The flower has large and attractive petals. How is this cactus pollinated? [1]

6 Page Total © UCLES 2007 0843/02/M/J/07 4 (a) Flowering plants have a life cycle. Draw lines to match the stages of the plant life cycle to what happens. \ dispersal fertilisation pollination getting the pollen to the stigma joining the pollen and the egg spreading the seeds [2] A bean seed is placed in a jar. (b) The seed will start to grow (germinate) in the right conditions. Which part of the plant grows first when the seed germinates? [1] (c) Seeds do not need light to germinate. Why is this? Tick (
) one box. They can grow without food. They can make food without light. They have their own store of food. They receive food from their parents. [1]

7 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over 5 Petrus takes a cold glass of cola from the fridge. He puts 3 cubes of ic\ e into it. He leaves the glass on a table in a warm room for 5 minutes. He notices that the ice cubes have become smaller. (a) What has happened to them? [1] (b) The outside of the glass is now wet. What is the reason for this? Tick (
) one box. Water vapour from the air has condensed on the outside of the glass. Water has condensed from inside the glass and gone into the air. Water vapour has evaporated from the air and turned into a liquid. The cola has evaporated and left water outside the glass. [1]

8 Page Total © UCLES 2007 0843/02/M/J/07 6 The children are cooking rice in boiling water. They choose this saucepan. metal base plastic handle metal lid with vent (a) Underline two properties of metal which make it a good material to use for the pan. conducts heat flexible shiny waterproof [1] (b) Why is the handle made of plastic? [1] (c) Lots of steam comes out from the lid as the rice cooks. What change has taken place to make this steam? Tick (
) one box. gas to solid liquid to gas solid to gas solid to liquid [1] (d) How could the steam be turned back into water? [1]

9 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over 7 Ashika is boiling an egg for breakfast. She follows these numbered instructions. 1 Pour ½ litre of water into a saucepan. 2 Add ½ spoonful of salt and stir. 3 Heat the water until it boils. 4 Carefully place the egg in the pan and cover with a lid. 5 Cook the egg for 3 minutes. (a) At what temperature will the water boil? [1] (b) When will dissolving take place? Instruction [1] (c) When will evaporation take place? Instruction [1] (d) When is there an irreversible change? Instruction [1]

10 Page Total © UCLES 2007 0843/02/M/J/07 8 Naina is measuring forces. spring (a) What is this piece of equipment called? [1] (b) What does it measure? Underline the correct answer. newtons grams centimetres millilitres [1] (c) What happens to the spring when there is a force on it? [1]

11 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over (d) Naina measures the force on a wooden block in air and in water. Why does she find that the force is less in water than in air? Tick (
) one box. Air resistance is greater than water resistance. Gravity is less in water than in air. The water pushes up on the block. The wooden block soaks up some of the water. [1] (e) What would she find if she measured t he mass of the block in air and in water? Tick (
) one box. The mass is greater in air than water. The mass is less in air than in water. The mass is the same in air as in water. [1]

12 Page Total © UCLES 2007 0843/02/M/J/07 9 Children are studying the shadow of a tree. (a) Choose from the words below to complete the sentence about shadows. opaque blocked passed solid reflected Shadows are formed when light is by materials. [1] (b) During the day, the shadow changes position and moves around the tree. Why does the shadow move during the day? Tick (
) one box. The Sun is spinning on its axis. The Sun moves round the earth. The Earth moves round the Sun. The Earth is spinning on its axis. [1]

13 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over 10 Look at the diagram of the Sun and the Earth. Sun Earth NOT TO SCALE (a) Complete these sentences. (i) The Earth rotates every hours. [1] (ii) The Earth’s orbit takes days. [1] (b) Shade in the part of the Earth wher e it is night time on the diagram. [1]

14 Page Total © UCLES 2007 0843/02/M/J/07 11 We need light to see objects. (a) Name one light source. [1] (b) Jasmine is looking at her new ring. Why does the metal ring look shiny? Tick (
) one box. It is opaque. It reflects light. It is a light source. It absorbs light. [1] (c) Draw two arrows onto the picture to show how the light travels when Jasmine sees the ring. [2]

15 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over 12 Serene can hear traffic out in the street even with the window closed. (a) Name two materials the sound must travel through to reach her ears. 1 2 [2] (b) She moves further away from the window. How will the noise change? Tick (
) one box. It will get louder. It will get lower. It will get quieter. It will get higher. [1]

16 Page Total © UCLES 2007 0843/02/M/J/07 13 The children have made a musical instrument from sticks. A B (a) Complete the sentence to show how the musical instrument works. The sticks make a sound when the y are hit because they . [1] (b) Stick A makes a higher note than stick B. What word describes how high or low the note is? [1] (c) What can they do to get stick A to make a louder sound? [1]

17 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over 14 Some dyes wash out of fabrics. 40 100% Acrylic WASH DARK COLOURS SEPARATELY Ajay has this idea. “I think hot soapy water washes out the dye more than cold soapy wate\ r because the temperature affects the dye.” He decides to wash pieces of fabric from some jeans at five different temperatures to test out her idea. (a) Choose five different temperatures she should test. [1] (b) Ajay cuts out six fabric pieces that are the same size and colour. He washes five of them at different temperatures. Why is it important to have the extra piece of fabric? [1]

18 Page Total © UCLES 2007 0843/02/M/J/07 15 The children are finding out how long it takes for a cube of sugar to di\ ssolve in water at different temperatures. They use a measuring cylinder to make sure they use the same amount of water each time. (a) How much water is in this cylinder? 100 90 80 70 60 50 40 30 20 10 ml [1]

19 Page Total © UCLES 2007 0843/02/M/J/07 [Turn over (b) What two other pieces of equipment do they need? thermometer magnet filter funnel force meter stop clock ruler S N [2] (c) They do the test at each temperature three times to get an average result. Why is this a good idea? [1] (d) Ben suggests another way to improve the experiment. “Use a different kind of sugar for each test so we find out more information.” Explain what is wrong with his idea. [1]

20 Permission to reproduce items where thir d-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 holder s, 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 t he 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/07 BLANK PAGE