[PDF] 2007 Key Stage 2 Year 6 - Science Test A Levels 3-5.pdf | Plain Text

Science testLEVELS3–5 ScKEY STAGE2 2007Test AFirst name ________________________________________________ Last name ________________________________________________ School________________________________________________PageMarks579111315171921TOTALFor marker’s use only275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 1

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INSTRUCTIONSRead this carefully.Answers This pencil shows where you will need to put your answer. For some questions you may need to draw an answer instead of writing one.You have 45 minutesfor this test.3Some questions may have a box like this for you to write down your thoughts and ideas.275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 3

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5Conducting electricity(a) Year 6 are testing objects to see if they conduct electricity. The children use this circuit to test the objects. The children place the objects between the clips. How will the children know if each object conducts electricity? ................................................................................................................. (b) Does each object conduct electricity? Write yesor noin each row of the table.Total out of 311a 1 mark1bi 1 mark1bii 1 markDoes the object conduct electricity? Object wooden ruler steel scissors sheet of paper rubber brass pinbulbclipcell (battery)clip275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 5

6Sweets(a) Alisha and Peter have some small sweets. Peter puts one on his tongue. Peter made a plan to test his idea that the sweet dissolves. How long did Peter plan to leave the sweet in water? ..................................................... hours (b) Peter took photographs of the sweet in the beaker at the beginning and end of his investigation.22a 1 mark9:00am Beginning of Peter’s investigation9:20am End of Peter’s investigation Photograph A Photograph B275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 6

72b 1 markWhat part of his plan did Peter change when he carried out the investigation? ................................................................................................................. ................................................................................................................. (c) Look at photographs A and B. Use the evidence in photographs A and B to write a conclusion for Peter’s investigation. ................................................................................................................. ................................................................................................................. (d) Alisha made a plan to test her idea that the sweet meltsrather than dissolves. Where should Alisha put her sweet to test her idea that it melts? TickONEbox. a cold place a hot place a dry place a wet place2c 1 mark2d 1 markTotal out of 4275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 7

8Teeth(a) Rosie is doing a survey about canine teeth. She counts the number of adult canine teeth each pupil in year 4 has. She also counts the number of adult canine teeth each pupil in year 6 has. How many pupils in year 4 have only twoadult canine teeth? ..................................................... pupils (b) Rosie draws the bars for year 4 and year 6 on the graph below to show her results. She has not shaded in the bars for year 6. Shade in the bars for year 6 on the graph below. Use the key and table to help you.33a 1 mark3b 1 mark0 1 2 3 4Number of pupils Number of adult caninesYear 4Year 6KEY0 5 10 15 20 25275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 8

9(c) Rosie knows that to keep her teeth healthy she should not eat too many sweets and other sugary foods. Name ONE otherthing that Rosie can do to help keep her teeth healthy. ................................................................................................................. (d) Different teeth have different functions when we eat food. What function do the incisor teethhave that molar teeth do not? ................................................................................................................. (e) Write trueor falsenext to each of the statements below. Children lose their first teeth and grow new teeth. .......................... Human teeth can reproduce. ..........................Tr u eor false? incisor tooth molar toothTotal out of 53c 1 mark3d 1 mark3e 1 mark275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 9

10Earth, Sun and Moon(a) Martin is making a model of the Earth, Sun and Moon. He collects some objects that can be used to model the Earth, Sun and Moon. Write Earth, Sunand Moonin the table below to show what each object should model. (b) What shape are the Earth, Sun and Moon in space? ................................................................................................................. (c) Martin uses his model to show what causes day and night. How can Martin show what causes day and nightusing his model? Tick ONEbox.44a 1 mark4b 1 mark4c 1 markObjectmelonpea poppy seed What it models spin the Earth on its axisspin the Sun on its axismove the Earth around the Sun move the Sun around the Earthpoppy seed melon pea275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 10

114d 1 mark(d) Complete the sentence below about the Moon’s orbit. The Moon orbits the Earth once every................................................ (e) Martin shines a torch on a globe. It models the Sun shining on the Earth. Estimate what time of day it would be on the Earth at place A. Places B and C have been done for you.4e 1 markTotal out of 5Place A B CTime of day 6pm 9pm275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 11

12Keeping cool(a) Jamal is thinking about how to keep ice cubes from changing into water on a hot day. Jamal says ‘I think if you put the ice cubes inside lots of plastic bags they will stay frozen for longer.’ TickONEbox to show what sort of statement Jamal has made. an observation a prediction a conclusion a measurement (b) Jamal puts four ice cubes in different numbers of plastic bags. He records the time it takes the ice cubes to change to water. Name the process that describes the change from ice to water. ...................................................55a 1 mark5b 1 mark4 ice cubes in 2 bags4 ice cubes in 3 bags 4 ice cubes with no bag4 ice cubes in 1 bag275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 12

13(c) Jamal records his results in a table. Choose ONEword from the box below to complete the sentence about the plastic bags. The table shows that the ice is ............................................... by the plastic bags so that the ice changes to water more slowly. (d) TickONEbox to show the temperature of water when it changes to ice. _ 10°C5c 1 mark5d 1 markTotal out of 4Time for ice to change to water (minutes) Number of plastic bags 0 1 2 3140 160 205 225 dissolved condensed heated insulated evaporated0°C 10°C 100°C275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 13

14Straw sounds(a) Polly has a straw. She cuts one end of the straw. She blows into the cut end of the straw. It makes a sound. The sound is caused by vibrations. Name TWOthings that vibrate to cause this sound. ..................................................... and .................................................... (b) Polly thinks that changing the length of the straw may change how high or low the note is. What is the scientific name for how high or low a note is? ..................................................66a 1 mark6b 1 mark275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 14

156c 1 mark(c) Polly cuts four identical straws into different lengths. Her friends blow gently into the straws. The note from each straw is different. Some notes are high and some are low. Describe how the length of a straw affects how high or low the note is. ................................................................................................................. ................................................................................................................. (d) (i) Tania says ‘Polly’s test is not a fair test because a different person is blowing into each straw.’ Why might Polly’s test notbe a fair test if different people blow into each straw? ...................................................................................................... ...................................................................................................... (ii) Polly says ‘It might not be a fair test even if one person blows into each straw.’ Explain why it might notbe a fair test even if one person blows into each straw. ...................................................................................................... ......................................................................................................6di 1 mark6dii 1 markTotal out of 5275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 15

16Seedlings(a) Nadif is growing some plants from seeds. He takes a seed tray and fills it with damp soil. He plants some seeds. Then he puts a transparent lid over the top. Nadif checks his seeds each day. He notices that drops of water appear on the inside of the lid. What is the scientific name for the process where water vapour changes into water? .........................................................77a 1 marktransparent lid seed tray water droplets damp soil seed275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 16

17(b) First, the small seedling uses food in the seed to help it grow. As it grows, the food in the seed is used up. Then the young plant makes new food for growth. In what part of the plant is new food made for growth? ................................................................................................................. (c) Why is it important for the young plant that the lid of the seed tray is transparent? ................................................................................................................. (d) The root of the young plant anchors it into the soil. GiveONEother way the root helps the young plant grow. ................................................................................................................. .................................................................................................................7b 1 mark7c 1 mark7d 1 markTotal out of 4275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 17

18Remote control(a) Ruth wants to find out how well the remote control turns on her TV when different materials are put in front of it. Ruth holds writing paper in front of the remote control. The TV still turns on. Ruth steps back until the remote does not turn the TV on. Ruth repeatsthe test with different materials. The table below shows her results. Complete the graph to show the results for the tracing paper.88a 1 markremote control paperDistance from TV when remote does not work (steps)Materialwriting paper clear plastic bag tracing paper foil book5 25 8 0 0275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 18

198b 1 mark(b) Ruth’s brother says she should not test the book as it makes the test unfair. Why does the book make her test unfair? ................................................................................................................. (c) Ruth’s brother repeats the investigation to check the results. He takes fewer steps back for each material before the TV does not turn on. Tick ONEbox to explain why Ruth’s brother takes fewer steps back before the TV does not turn on. (d) Ruth could improve her investigation by getting more accurate results. Describe how Ruth could get more accurate results. ................................................................................................................. (e) Ruth sees a pattern in her results. She states ‘My results suggest that the remote control uses light to turn on the TV.’ Describe the evidence in Ruth’s table of results that supports her statement. ................................................................................................................. .................................................................................................................8c 1 mark8d 1 mark8e 1 markTotal out of 5he presses the remote control harderhis steps are bigger he uses smaller pieces of each material the batteries in the remote control are newer275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 19

20Yeast(a) Yeast is a type of micro-organism. Class 6G know that bread needs yeast to rise. The yeast must be mixed with water and sugar. They want to find out if the temperature of the water affects the yeast. They put sugar in a bottle and add water at a temperature of 20ºC. Name the scientific word that describes what happens to the sugar when it is mixed with water. ...................................................... (b) The class then add yeast to the sugar and water in the bottle. Write trueor falsenext to each statement about the investigation. A gas is produced by the yeast. ............................ A reversible change has happened. ............................ The balloon is flexible. ............................99a 1 markThey put a balloon over the top of the bottle.They time how long it takes for the balloon to stand up.The balloon starts to blow up.Tr u eorfalse?9b 1 mark275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 20

219ci 1 mark(c) The class repeat the test using water at different temperatures. The teacher adds the same amount of yeast, sugar and water each time. The table below shows their results. Describe how the temperatureof the water affects the time takenfor the balloon to stand up. ................................................................................................................ ................................................................................................................ (d) A cook book says that yeast works most quicklywith water at a temperature of 20ºC to 30ºC. (i) Tick ONEbox to show if the results in the table support the information in the cook book. yes no (ii) Use examples from the results table to help you explain your answer. ...................................................................................................... ......................................................................................................9cii 1 mark9d 1 markTotal out of 53203050 52 18 16 4 Time taken for balloon to stand up (mins) Temperature of water (ºC)275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 21

END OF TEST Please check your answers275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 12

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QCA/06/2802 (Pupil pack) © Qualifications and Curriculum Authority 2007QCA/06/2795 (Mark schemes pack) 275364275364_TestA_KS2_Sc.qxp 25/1/07 3:22 pm Page 13