[PDF] Cambridge Primary Checkpoint - Science (0846) April 2016 Paper 2.pdf | Plain Text

This document consists of 23 printed pages and 1 blank page. IB16 05_0846_02/7RP © UCLES 2016 [Turn over   Cambridge International Examinations Cambridge Primary Checkpoint SCIENCE 0846/02 Paper 2 April 2016 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 question or part question. You should show all your working in the booklet. The total number of marks for this paper is 50.

2 © UCLES 2016 0846/02/A/M/16 1 Food chains show the feeding relationships in a habitat. Draw a line from each word to the description. word description produceran animal that eats plants and other animals consumer a green plant predator an animal eaten by another animal prey an animal that catches and eats another animal [2] 2 Mike investigates how well materials conduct electricity. He connects different materials to an electrical circuit containing a lamp. He looks at the brightness of the lamp. Here are his results. material brightness of lamp in circuit lead lamp is very dim brass lamp is just brighter than when using lead copper lamp is bright plastic lamp does not work silver lamp is very bright

3 © UCLES 2016 0846/02/A/M/16 [Turn over (a) Brass conducts electricity. Name one material that is a better conductor of electricity. [1] (b) Which material is the best conductor of electricity? [1] (c) Which material does not conduct electricity? [1] 3 Class 6 have a quiz about the Earth and the Sun. Answer the questions on the quiz. Earth and Sun Quiz (a) How many hours does it take for the Earth to spin on its axis? [1] (b) How many years does it take for the Earth to orbit the Sun? [1] (c) Why does the Sun appear to move across the sky during one day? [1]

4 © UCLES 2016 0846/02/A/M/16 4 Flowering plants have a life cycle. Complete the stages in the life cycle. One has been done for you. Choose from the following words. germination growth pollinationseed dispersalseed production 2 3 4 6 5 fertilisation 1 [2]

5 © UCLES 2016 0846/02/A/M/16 [Turn over 5 Priya and Lily investigate air resistance. parachute PriyaLily  Priya uses a stopwatch  Lily drops parachutes. Here is their prediction. “We think bigger parachutes will fall more slowly.” Their prediction is correct. Complete the sentences. Choose words from the list. less more the same The bigger parachutes have air resistance. This makes the bigger parachutes fall with speed. [2]

6 © UCLES 2016 0846/02/A/M/16 6 Fizzy drink containers are made from metals. (a) Which two properties of a metal make it a good material for fizzy drink containers? Tick () the two correct properties. attracted to a magnet good conductor of electricity good conductor of heat insoluble in water not poisonous [2] (b) Fizzy drink containers are made of aluminium or steel. They are recycled. Steel is separated from aluminium. Describe how this can be done. Give a reason why this method would work. [2]

7 © UCLES 2016 0846/02/A/M/16 [Turn over 7 Blessy looks at herself in a mirror. Tick () the two correct sentences about what Blessy sees. Blessy can see something because light has entered her eyes. Blessy has been reflected in the mirror. Blessy is behind the mirror. The light from Blessy does not change direction. The light from Blessy is reflected by the mirror. [2]

8 © UCLES 2016 0846/02/A/M/16 8 The body has many different organs. (a) Label the organs. [3] (b) Complete the table. One has been done for you. organ job liver stores and controls chemicals stomach brain [2]

9 © UCLES 2016 0846/02/A/M/16 [Turn over 9 Forces can do different things. Cars have many forces acting on them. The car moves forward. A force makes the car move forward. Draw an arrow () on the car to show the direction of this force. [1]

10 © UCLES 2016 0846/02/A/M/16 10 Youssef is investigating the size of shadows. He uses a light source in a dark room. He places an object between the light source and the screen. light sourceshadow screen object Here are Youssef’s results. distance of object from light source in cm width of shadow in cm 20 60 30 40 40 30 50 25 60 20

11 © UCLES 2016 0846/02/A/M/16 [Turn over (a) Use his results to plot a line graph. Draw a line through the points. 60 50 40 30 20 10 0 10 20 30 distance from light source in cm40 50 60 width of shadow in cm 0 [3] (b) What is the width of the shadow when the object is 35 cm from the light source? [1]

12 © UCLES 2016 0846/02/A/M/16 11 (a) Animals live in different habitats. Look at the picture of each animal in the table. Complete the table. Choose from the following words. desert pond sea ice soil tree natural habitat earthworm frog gerbil polar bear squirrel [2]

13 © UCLES 2016 0846/02/A/M/16 [Turn over (b) Camels live in hot deserts. camel Write down two ways a camel is adapted to living in the hot desert. Complete the sentences. 1 The camel has . It has this because . 2 The camel has . It has this because . [2]

14 © UCLES 2016 0846/02/A/M/16 12 Mia has a mixture of three powdered solids. Here are some properties of these solids solid soluble or insoluble in water colour chalk insoluble white iron insoluble grey potassium chloride soluble white (a) Mia wants to separate the iron from the mixture. Describe how she can do this. Explain why this method works. [2] (b) Mia now has only potassium chloride and chalk left. She decides to add the mixture to water and filter the mixture. Draw a labelled diagram to show how she filters the mixture. [3]

15 © UCLES 2016 0846/02/A/M/16 [Turn over (c) After filtering she has potassium chloride solution left. Mia heats the solution for 15 minutes. At the end only solid potassium chloride remains. What has happened to the water in the solution? [1]

16 © UCLES 2016 0846/02/A/M/16 13 Gabriella investigates the evaporation of water. She measures 100 cm 3 of water and puts this into a beaker. She measures the time for all the water to evaporate. Gabriella repeats the experiment three more times. Each time she uses a different beaker. The surface area of the water increases from beaker A to beaker D. beaker A beaker B beaker C beaker D Gabriella writes sentences in her book. (a) Which of these sentences is a prediction? Tick () the correct box. All four beakers start with the same volume of water. Beaker D will take the shortest time for all the water to evaporate. Evaporation is the process by which a liquid changes into a gas. How many days will it take for all the water to evaporate from each beaker? The water in the four beakers must be at the same temperature. [1]

17 © UCLES 2016 0846/02/A/M/16 [Turn over (b) Which of these sentences is a piece of evidence that Gabriella must collect? Tick () the correct box. All four beakers start with the same volume of water. Beaker D will take the shortest time for all the water to evaporate. Evaporation is the process by which a liquid changes into a gas. How many days will it take for all the water to evaporate from each beaker? The water in the four beakers must be at the same temperature. [1] (c) Which two of these sentences will make the investigation a fair test? Tick () the two correct boxes. All four beakers start with the same volume of water. Beaker D will take the shortest time for all the water to evaporate. Evaporation is the process by which a liquid changes into a gas. How many days will it take for all the water to evaporate from each beaker? The water in the four beakers must be at the same temperature. [2]

18 © UCLES 2016 0846/02/A/M/16 14 Many plants have flowers. (a) Look at this flower. D A C B E Which letter shows the female part of this flower? Circle the correct answer. A B C D E [1] (b) Look at this flower. F G H K L Which two letters show the male parts of this flower? Circle the correct answer. F and G G and H H and K K and L [1]

19 © UCLES 2016 0846/02/A/M/16 [Turn over (c) Look at this flower. Draw the letter X on the flower to show where pollen is made. [1]

20 © UCLES 2016 0846/02/A/M/16 15 Chen investigates sound. Investigation 1 Look at the picture. ruler table A B Chen hits his ruler on a table at point A. He leaves the ruler on the table and listens to the sound it makes. Investigation 2 Look at the new picture. A B Chen hits the ruler on the table at point B. He leaves the ruler on the table and listens to the sound it makes. (a) Complete the sentence. The ruler makes a sound because it [1]

21 © UCLES 2016 0846/02/A/M/16 [Turn over (b) What happens to the pitch of the sound? Tick () the correct answer. pitch is higher in investigation 1 pitch is lower in investigation 1 pitch is the same in both investigations [1] (c) Chen hits the ruler on the table with more force. What happens to the loudness of the sound? Tick () the correct answer. decreases increases stays the same [1]

22 © UCLES 2016 0846/02/A/M/16 16 Oliver investigates germination of seeds. He tries to grow seeds in different conditions. Look at his results. no air seed beaker water, air and light no water no light Oliver makes the investigation a fair test. (a) He uses the same type of seeds in each beaker. What other condition does he keep the same? Complete the sentence. He uses the same of seeds in each beaker. [1]

23 © UCLES 2016 0846/02/A/M/16 (b) One of the beakers is labelled no light. Describe how Oliver makes sure that no light reaches the seeds. [1]

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