[PDF] Cambridge Lower Secondary Progression Test - Science 2018 Stage 8 - Paper 1 Question.pdf | Plain Text

SCIENCE_S8_01_8RP © UCLES 2018 *9384027030* Cambridge Lower Secondary Progression Test Science paper 1 Stage 8 45 minutes Name ………………………………………………….………………………. Additional materials: Calculator Ruler READ THESE INSTRUCTIONS FIRST Answer all questions in the spaces provided on the question paper. You should show all your working on the question paper. The number of marks is given in brackets [ ] at the end of each question or part question. The total number of marks for this paper is 50. For Teacher’s Use Page Mark 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Total

2 S/S8/01 © UCLES 2018 For Teacher’s Use 1 The diagram shows the digestive system. A B C D Draw a line from each letter to the correct organ and its function in the digestive system. One has been done for you. small intestine stomachorgan large intestine pancreas C BA letter D produces enzymes digests protein absorbs waterfunction absorbs digested food [3]

3 S/S8/01 © UCLES 2018 [Turn over For Teacher’s Use 2 Draw a line between the element and the correct chemical symbol. element chemical symbol nitrogen phosphorus potassium silicon sodium sulfur Ni P N Na Po S K Si [4]

4 S/S8/01 © UCLES 2018 For Teacher’s Use 3 Sound waves can be shown on an oscilloscope. X Y time Answer the questions. Tick ( ) the correct box for each question. question decreases increasesstays the same What happens to the loudness of the sound between X and Y? What happens to the amplitude of the sound between X and Y? What happens to the pitch of the sound between X and Y? What happens to the frequency of the sound between X and Y? [3]

5 S/S8/01 © UCLES 2018 [Turn over For Teacher’s Use 4 Gabriella has five different materials. She uses an electric circuit to find out which of the materials are metals. This is the apparatus she uses. lampbattery switch clipclip (a) Describe how Gabriella uses the apparatus to find out if the material is a metal. What does she do? .......................................................................................................................................... What will she see if the material is a metal? ...................................................................................................................................... [2] (b) Tick ( ) two other properties of most metals. brittle ductile heat insulators high melting point low boiling point [2]

6 S/S8/01 © UCLES 2018 For Teacher’s Use 5 Hassan and Jamila investigate how light affects plant growth. The diagram shows the apparatus they use. four identical lamps clear plastic coverred plastic covergreen plastic coverblack plastic cover They • use four identical plants • put different coloured plastic covers over the plants • switch on the lamps over the plants • keep the plants here for two weeks. (a) Hassan and Jamila use four identical plants and four identical lamps. State one other variable they control to make their investigation a fair test. ...................................................................................................................................... [1] (b) They want to measure the growth of each plant. They count the number of new leaves that have grown on each plant in two weeks. Suggest one other measurement they can make. ...................................................................................................................................... [1]

7 S/S8/01 © UCLES 2018 [Turn over For Teacher’s Use (c) Complete the following predictions. The plant with most growth is under the .................................................... plastic cover. The plant with the least growth is under the .............................................. plastic cover. Explain your predictions. .......................................................................................................................................... ...................................................................................................................................... [2]

8 S/S8/01 © UCLES 2018 For Teacher’s Use 6 White light is made up of several colours including blue, green and red. Ahmed investigates the use of a red filter. Look at the apparatus he uses. light red filter He shines different colours of light at the filter. He observes the colour of light (if any) that comes through the filter. Complete his results table. colour of light he shines at the filtercolour of filter colour of light, if any, that comes through the filter red red ............................................... green red ............................................... white red ............................................... [3]

9 S/S8/01 © UCLES 2018 [Turn over For Teacher’s Use 7 Mike puts the stem of a white flower into red ink. red ink After some time the white flower turns red. (a) The white flower turns red faster in warmer dry air. Suggest why. .......................................................................................................................................... ...................................................................................................................................... [1] (b) The red ink travels through the water-carrying tissue of the stem. The diagram shows part of this tissue. (i) Name the tissue which carries water and minerals through the stem. ..............................................................................................................................[1] (ii) Write two ways that the structure of this tissue enables it to transport water. 1 ............................................................................................................................... 2 ............................................................................................................................... [2]

10 S/S8/01 © UCLES 2018 For Teacher’s Use 8 The picture shows a gate made of iron. (a) Iron has to be painted to stop it rusting. When iron rusts it forms hydrated iron oxide. (i) Where does the oxygen in hydrated iron oxide come from? ..............................................................................................................................[1] (ii) Complete the word equation for rusting. ++ iron water.......................... .................................................... .......................... [1] (iii) Iron oxide is one compound of iron. Write down the name of one other compound of iron. ..............................................................................................................................[1] (b) Iron is made of tiny particles that are all the same. Write down the name of these particles. ...................................................................................................................................... [1]

11 S/S8/01 © UCLES 2018 [Turn over For Teacher’s Use 9 Youssef has some information about the distance a cyclist can travel in a given time. time in secondsdistance in metres 10 50 20 100 40 200 60 300 100 500 (a) Complete the graph using the information in the table by • labelling the axes including units • plotting the last two points • drawing a line of best fit. ............................. ............................. 0 0 20406080100 100 200 300 400 500 [3] (b) Calculate the speed of the cyclist. .......................................................................................................................................... .......................................................................................................................................... speed .................................. m / s [2]

12 S/S8/01 © UCLES 2018 For Teacher’s Use 10 Yuri is exercising. (a) Which process releases energy in Yuri’s muscles when he exercises? Circle the correct answer. movement nutrition perspiration respiration [1] (b) Complete the word equation for this process. ++ oxygen.......................... .................................................... .................................................... .......................... [3]

13 S/S8/01 © UCLES 2018 [Turn over For Teacher’s Use 11 Look at the diagrams. ABCDE (a) Which diagram A, B, C, D or E shows: (i) One element made of single atoms? ................................................... [1] (ii) One compound made of molecules? ................................................... [1] (iii) A mixture of an element and a compound? ................................................... [1] (b) Complete the sentences to explain whether these substances are mixtures or compounds. (i) Seawater is a .................................. because .................................................................................................................................. ............................................................................................................................ .[1] (ii) Solid sodium chloride is a .................................. because .................................................................................................................................. ............................................................................................................................ .[1]

14 S/S8/01 © UCLES 2018 For Teacher’s Use 12 Angelique puts two magnets near each other. (a) Look at what happens. NS NS NS NS Explain what is happening in this diagram. .......................................................................................................................................... ...................................................................................................................................... [2] (b) Angelique puts the two magnets near each other again. NS NS SN SN Explain what is happening in this diagram. .......................................................................................................................................... ...................................................................................................................................... [2] 13 This question is about arteries. outer elastic tissue hollow lumen thick layer made of muscle The diagram shows the structure of a large artery. The artery has a thick layer made of muscle surrounded by elastic tissue. (a) Why do arteries need to have a thick layer made of muscle? ...................................................................................................................................... [1] (b) Why are arteries surrounded by an outer layer of elastic tissue? ...................................................................................................................................... [1]

15 S/S8/01 © UCLES 2018 For Teacher’s Use 14 Prisms can be used to reflect light. Write down the letter R on the diagram to show the angle of reflection. prism [1]

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