[PDF] Cambridge Lower Secondary Progression Test - Science 2018 Stage 7 - Paper 1 Question.pdf | Plain Text

SCIENCE_S7_01_7RP © UCLES 2018 *2956549502* Cambridge Lower Secondary Progression Test Science paper 1 Stage 7 45 minutes Name ………………………………………………….………………………. Additional materials: 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/S7/01 © UCLES 2018 For Teacher’s Use 1 The diagram shows a plant called the Venus flytrap. Part of the plant traps insects when they walk on it. (a) Which part of the Venus flytrap is adapted to trap insects? Circle the correct answer. flower fruit leaf root [1] (b) The Venus flytrap grows in soil that lacks nutrients. A trapped insect dies and breaks down. The Venus flytrap absorbs the nutrients from the body of the insect. (i) Which part of a plant normally takes in nutrients? Circle the correct answer. flower fruit root stem [1] (ii) Why do plants need a good supply of nutrients? ..............................................................................................................................[1] (c) Describe two functions of the stem of a Venus flytrap. 1 ....................................................................................................................................... 2 ....................................................................................................................................... [2]

3 S/S7/01 © UCLES 2018 [Turn over For Teacher’s Use 2 Oliver investigates different fossils. He finds five fossils and uses this key to identify them. is the fossil a flat spiral-shaped shell? is the shell a shiny gold colour? is the fossil long and smooth? gold ammonite belemnite crinoidyes no yes noyes no calcite ammonite beef ammoniteyes no does the rock around the fossil fizz with acid? Use the key to answer these questions. (a) Which fossil is gold in colour? ..................................................................................... [1] (b) Which fossil is long and smooth? ................................................................................ [1] (c) Describe the calcite ammonite that Oliver finds. .......................................................................................................................................... ...................................................................................................................................... [1]

4 S/S7/01 © UCLES 2018 For Teacher’s Use 3 This question is about famous space scientists. Complete the sentences. Choose words from Curie Earth Galileo Lister Mars Mercury Moon Pasteur Sun Uranus Venus Our understanding of the universe has changed over many years. Famous space scientists include Ptolemy, Copernicus and ................................................. . Copernicus thought that the ................................................. was at the centre of the universe. Copernicus did not include the distant planets in his model. As telescopes improved, more distant planets were discovered. One of the most distant planets is ................................................. . [3]

5 S/S7/01 © UCLES 2018 [Turn over For Teacher’s Use 4 This question is about cells, tissues and organs. Stem cells are able to turn into many other types of cell that form different tissues. Different tissues are then used to build organs. This is shown in the diagram. stem cells A muscle cell nerve cell secretory cell type of cell that makes up this kind of tissue skeleton heart testis name of the organ that is mainly made of this tissue B (a) Name cell A. Choose from the list. blood cell bone cell liver cell sperm cell ...................................................................................................................................... [1] (b) Name organ B. Choose from the list kidney salivary gland skull spinal cord ...................................................................................................................................... [1]

6 S/S7/01 © UCLES 2018 For Teacher’s Use 5 Safia is stung by a bee. (a) Bee stings are acidic. Calamine lotion will neutralise a bee sting. (i) Suggest the pH value of a bee sting. ..............................................................................................................................[1] (ii) Suggest the pH value of calamine lotion. ..............................................................................................................................[1] (b) Acids and alkalis can be identified using indicators. Plan how you can use an indicator to identify acids and alkalis. Include • the name of the indicator • the result with acid • the result with alkali. .......................................................................................................................................... .......................................................................................................................................... .......................................................................................................................................... ...................................................................................................................................... [3]

7 S/S7/01 © UCLES 2018 [Turn over For Teacher’s Use 6 Look at the energy transfer diagram. electric lamp energy input energy output (a) What is the energy input? Circle the correct answer. electrical kinetic light magnetic sound [1] (b) What are two of the energy outputs? Circle the two correct answers. chemical electrical kinetic light thermal [2] (c) Complete the sentence. Energy cannot be created or .......................................................... . [1]

8 S/S7/01 © UCLES 2018 For Teacher’s Use 7 This question is about cells. (a) The diagram shows a plant cell. A C EB D F Which letter shows the cell membrane? .................................................. [1] (b) Draw a line from the cell diagram to the correct function. The cells are not all drawn to the same scale. cell takes up water and minerals from soil transports oxygen in blood transports water and minerals to leavesfertilises an egg cell contract to cause movementfunction [3]

9 S/S7/01 © UCLES 2018 [Turn over For Teacher’s Use 8 The table shows some information about solids, liquids and gases. Complete the table. statedistance between particlesmovement of particlesforces between particlesshape solid close together............................... .............................................................. ...............................fi xed shape liquid close togethermove slowly in all directions............................... ...............................shape of container gas............................... ...............................move quickly in all directionsvery weak............................... ............................... [5]

10 S/S7/01 © UCLES 2018 For Teacher’s Use 9 Pierre investigates the time it takes for parachutes of different sizes to fall to the ground. ground He records his results in a table. time for parachute to fall to the ground in seconds area of parachute in cm 2 test 1 test 2 test 3average (mean) 50 1.7 1.5 2.8 ? 113 3.0 3.6 3.3 3.3 201 6.2 6.3 6.7 6.4 314 9.5 9.9 10.0 9.8 (a) There is one anomalous result in the table. Circle the anomalous result. [1] (b) Calculate the missing average (mean) time in the table. average (mean) time = ................................... seconds [1] (c) Describe the pattern in Pierre’s results. .......................................................................................................................................... .......................................................................................................................................... .......................................................................................................................................... Use your scientific knowledge to explain the pattern. .......................................................................................................................................... ...................................................................................................................................... [3]

11 S/S7/01 © UCLES 2018 [Turn over For Teacher’s Use 10 This question is about muscles. Choose words from the list. You may use each word once, more than once or not at all. antagonistic breaks contracts involuntary relaxes stretches voluntary When the arm bends upwards, the biceps muscle ................................................................. and the triceps muscle .......................................................................................................... . The biceps and triceps are .......................................................................... muscles. [3]

12 S/S7/01 © UCLES 2018 For Teacher’s Use 11 Yuri investigates some different soils. He writes a description of each of the soils. soil description of soil Adry and gritty to touch, with large soil grains Bsmall soil grains smooth to the touch Cblack soil with a pH of 4.5 containing small pieces of decaying vegetation Dsticky damp soil with very small soil grains Eblack soil with a pH of 7.0 containing small pieces of decaying vegetation Flight brown soil with a pH of 9.0 containing small pieces of decaying vegetation (a) Clay soils are made up of very small grains that hold water. Which soil is clay? Choose from A, B, C, D, E or F. ................................................................................. [1] (b) Peat forms when dead plants decay very slowly in acidic conditions. Which soil is peat? Choose from A, B, C, D, E or F. ................................................................................. [1] (c) Sandy soils have large spaces between the soil grains. This means water drains easily through the soil. Which soil is sandy? Choose from A, B, C, D, E or F. ................................................................................. [1]

13 S/S7/01 © UCLES 2018 [Turn over For Teacher’s Use 12 Angelique jumps up and down on a trampoline. trampoline Angelique (a) (i) Write down the name of the force that pulls Angelique towards the trampoline. ..............................................................................................................................[1] (ii) Draw a line with an arrow (  ) to show the direction of this force. Start the line on the large dot on Angelique. [1] (b) Angelique lands on the trampoline. She bends her knees and pushes hard against the trampoline. Complete the sentence. Choose the best word from the list. force friction mass weight Angelique exerts more .............................................................. so she jumps higher. [1]

14 S/S7/01 © UCLES 2018 For Teacher’s Use 13 The fossa is an endangered species of mammal. (a) Explain the meaning of the term species. .......................................................................................................................................... ...................................................................................................................................... [2] (b) The fossa lives on an island. It is a predator. Dogs were brought to the island. The number of fossas on the island decreased. Suggest one reason why the number of fossas decreased. .......................................................................................................................................... ...................................................................................................................................... [1]

15 S/S7/01 © UCLES 2018 For Teacher’s Use 14 Blessy investigates floating objects. She uses a small plastic box in a bowl of water. plastic box bowl of water She puts weights into the box. She measures the depth of the box below the water. (a) Blessy needs to measure the weights in the box. What piece of equipment should she use? Tick ( ) the correct box. ammeter clock measuring cylinder ruler spring balance [1] (b) Blessy needs to measure the depth of the box below the water. What piece of equipment should she use? Tick ( ) the correct box. ammeter clock measuring cylinder ruler spring balance [1]

16 S/S7/01 © UCLES 2018 Copyright © UCLES, 2018 Cambridge Assessment International Education is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of the University of Cambridge Local Examinations Syndicate (UCLES), which itself is a department of the University of Cambridge. Permission to reproduce items where third-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 holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. BLANK PAGE