[PDF] Cambridge Primary Checkpoint - Science (0843) November 2007 Paper 1.pdf | Plain Text

This document consists of 15 printed pages and 1 blank page. IB07 11_0843_01/RP © UCLES 2007 [Turn over *9373656081* For Examiner's Use Page Total 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Total UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS Cambridge International Primary Achievement Test SCIENCE 0843/01 Paper 1 October/November 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 0843/01/O/N/07 1 caterpillar oak leaf blue tit (a) What does this food chain tell you? Tick (
) one box. Caterpillars are food for blue tits. Blue tits eat oak leaves. Caterpillars eat blue tits. Oak leaves change into caterpillars. [1] (b) The oak tree is made of different parts. Draw three lines to match each part to the reason it is important. flowers make food make seeds take in water leaves roots [2] (c) A tree needs water and minerals for healthy growth. Name one other thing a tree needs for healthy growth. [1]

3 Page Total © UCLES 2007 0843/01/O/N/07 [Turn over 2 (a) What is the real shape of the Earth? Tick (
) one box. a circle a sphere flat a crescent [1] (b) There are many changes on Earth caused by movements in the Solar system. Draw a line from each Change to its Cause . NOTE. You may need to use some causes more than once. A year is 365¼ days. Change It is dark at night. The Sun rises and sets. The Earth orbits the Sun. Cause The Earth spins on its axis. The Moon hides the Sun.The Sun orbits the Earth. [3] (c) The Moon does not make its own light. Why does the Moon often look shiny? [1]

4 Page Total © UCLES 2007 0843/01/O/N/07 3 Each student has ideas about why we need to eat a healthy balanced diet.\ A balanced diet gives me all the nutrients I need. A balanced diet means not eating any sweets or sugar. A balanced diet will help my teeth and bones to grow strong. If I have a balanced diet I will not need to exercise to behealthy. (a) Tick (
) one box in each row to say whether each idea is True or False . Idea True False A balanced diet gives me all the nutrients I need. A balanced diet means not eating any sweets or sugar. A balanced diet will help my teeth and bones grow strong. If I have a balanced diet I will not need to exercise to be healthy. [2]

5 Page Total © UCLES 2007 0843/01/O/N/07 [Turn over (b) Look at these different foods. Draw three lines to match each Food to its special Job in the body. bread and cakes Food carrot and apples chicken and eggs new materials for growth vitamins for healthfuel for activity Job [2] (c) Some people choose to eat different foods. Tick (
) the organ affected badly by these diets. Diet Organ Tick (
) Too much fried food brain heart lung Too much sugar bones teeth skin [2]

6 Page Total © UCLES 2007 0843/01/O/N/07 4 We need to take in food and oxygen into our bodies. (a) Which organ takes oxygen into the body? Tick (
) one box. brain heart lungs stomach [1] (b) What is the name of the liquid that carries food and oxygen around the body? [1] 5 Mia and Matt want to sort some plants and animals into groups by the way they look . (a) What could they use to sort these animals into 2 groups? Tick (
) one box. age number of legs number of young speed they run [1]

7 Page Total © UCLES 2007 0843/01/O/N/07 [Turn over (b) How could they sort these plants into 2 groups? Tick (
) one box. age height of tree number of leaves on branch shape of leaves [1] (c) Mia makes a table to show which life processes are common to animals and plants. The first line has been filled in correctly. Complete the table. Life process Animals Plants Movement

Growth Nutrition Reproduction [2]

8 Page Total © UCLES 2007 0843/01/O/N/07 6 Both citric acid and bicarbonate of soda are white powders. Each powder is stirred separately into a beaker of water. The table shows what happens. Test material Observation citric acid makes a clear solution bicarbonate of soda fizzes and makes a clear solution (a) Which solution could now be separated to get back the original powder? [1] (b) Explain how you could do this. [2]

9 Page Total © UCLES 2007 0843/01/O/N/07 [Turn over 7 The cooks are busy in the kitchen cooking food. There are many changes happening. (a) What happens to salt when it is put into cold water and stirred? [1] (b) What happens to some of the water when this mixture is heated? [1] (c) Why does a metal spoon get hot if it is used to stir a hot mixture? Tick (
) one box. Metal is a hard material. Metal is a poor insulator of heat. Metal is a poor conductor of heat. Metal always gets hot in a mixture. [1] (d) What instrument (piece of equipment) should you use to find out how ho\ t water is? Underline your answer. forcemeter measuring cylinder scales thermometer [1] (e) What would be the temperature when the water boils? Give units. [1]

10 Page Total © UCLES 2007 0843/01/O/N/07 8 Materials can be solids, liquids or gases. (a) Which state is described below? Underline your answer. It can change shape and volume. It s quashes easily and flows from one place to another. gas liquid solid [1] (b) Vinegar and warm milk are both coloured liquids. When they are mixed together they change very quickly to make a colourless liquid and a whit\ e solid. The change is not reversible. (i) Can you get the milk back? [1] (ii) Can you get the vinegar back? [1] (c) Tick (
) two of the changes below that are reversible changes. eggs frying sugar dissolving ice melting wood burning [2]

11 Page Total © UCLES 2007 0843/01/O/N/07 [Turn over 9 forcemeter (a) What kind of force will lengthen the spring in the forcemeter? Tick (
) one box pull push squash twist [1] (b) Jon measures the force needed to pick up different objects. These are his results. Object Average force needed (N) A 3 B 11 C 7 D 6 Which object has the most weight? [1] (c) What is the name of the force that gives objects weight? [1] (d) Name the unit of force that has the symbol N. [1]

12 Page Total © UCLES 2007 0843/01/O/N/07 10 Petra makes a circuit. She wants a bulb to light and a buzzer to sound w\ hen the switch is closed. This is a diagram of her circuit. cell (battery) bulb buzzer (a) She closes the switch. The buzzer does not work. What happens to the bulb when she closes the switch? [1] (b) She connects an extra cell (battery) to the cell (battery) already t\ here. Describe what happens to the bulb and buzzer now? [2]

13 Page Total © UCLES 2007 0843/01/O/N/07 [Turn over 11 Amima makes a dimmer switch. It looks like this. + – bulb resistance wire crocodile clip cell (battery) The bulb lights up. How do the changes she makes to the circuit affect the brightness of the\ bulb? Complete the table by underlining the correct answers. Change Brightness of bulb Shorten the resistance wire dimmer/brighter/no change Add a second bulb dimmer/brighter/no change Add a second cell (battery) dimmer/brighter/no change Move the bulb nearer the cell (battery) dimmer/brighter/no change [4]

14 Page Total © UCLES 2007 0843/01/O/N/07 12 Udoka sees a blue butterfly on a blue flower and a yellow butterfly on a\ yellow flower. He thinks that butterflies must be most attracted to flowers that are th\ e same colour as themselves. He plans an experiment to test his idea. He decides to put pieces of different coloured card outside for 1/2 hour\ . He plans to record how many butterflies of different colours land on eac\ h one. He puts all the pieces of card in the same sunny place at the same time \ of day. (a) What else must he do to make sure this is a fair test? [1] (b) What is Udoka’s prediction? [1]

15 Page Total © UCLES 2007 0843/01/O/N/07 Here are his results. Number of butterflies of each colour Colour of card blue red yellow brown Blue 6 3 4 1 Red 2 1 0 0 Green 0 0 0 0 Yellow 0 0 2 0 (c) Which colour card attracts most yellow butterflies? [1] (d) Udoka thinks the results support his prediction. What do you think the results suggest about how different colours attract different butterflies? [1] (e) What would you do next to find out more? [1]

16 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 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. 0843/01/O/N/07 BLANK PAGE