1. The diagram shows two families. Some of the people in the diagram have freckles. and. and
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2 1. The diagram shows two families. Some of the people in the diagram have freckles. family A family B grandparents Bob married to Emily John married to Mary parents Rachel married to Bill Pam married to David children Richard Penny Simon Becca Katie and and key person with freckles person without freckles (a) (i) Which children are most likely to have freckles? Tick the correct boxes. Richard Simon Katie Penny Becca 1ai (ii) How did you decide? 1aii KS3/04/Sc/Tier 3 6/P1 2 Sourced from SATs-Papers.co.uk
3 (iii) Suggest why Bill does not have freckles. 1aiii (b) (i) Which two cells pass on information from parents to their children? Tick the two correct boxes. bone cell cheek cell egg cell muscle cell red blood cell sperm cell 1bi (ii) Which organ system produces these two cells? Tick the correct box. circulatory system digestive system reproductive system respiratory system 1bii KS3/04/Sc/Tier 3 6/P1 3 Sourced from SATs-Papers.co.uk maximum 5 marks Total 5
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11 (b) The table below shows the lowest and highest frequencies that five living things can hear. living lowest frequency highest frequency thing (Hz) (Hz) human sparrow dog cat rabbit (i) (ii) Which three living things from the table cannot hear a frequency of Hz? and and From the table, choose the living thing that can hear the biggest range of frequencies. 5bi 5bii maximum 4 marks KS3/04/Sc/Tier 3 6/P1 11 Sourced from SATs-Papers.co.uk Total 4
12 6. Tea bags are made in different shapes. triangle square circle Some pupils want to find out which shape of tea bag lets tea dissolve most quickly. They make two plans for their investigation as shown below. (a) How is the second plan better than the first plan? 6a (b) Why should they take care when they add hot water at 65ºC to the tea bags? 6b KS3/04/Sc/Tier 3 6/P1 12 Sourced from SATs-Papers.co.uk
13 (c) Ben and Vicky drew a cross on some paper. They put each beaker, in turn, over the cross. They poured hot water into the beaker, dropped in the tea bag and watched the water change colour. To see which shape of tea bag let the tea dissolve the quickest, they measured the time until the liquid was too dark for them to see the cross. How did the cross help to make their test more accurate? 6c (d) (i) They recorded their measurements in a table as shown below. shape of tea bag time taken until cross cannot be seen (minutes) triangle 8 square 15 circle 10 Which part of their investigation was recorded in the table? Tick the correct box. explanations results conclusions plans 6di (ii) Give the three shapes of tea bags in the order in which the tea dissolved. Use the table above to help you. quickest slowest 6dii maximum 5 marks KS3/04/Sc/Tier 3 6/P1 13 Sourced from SATs-Papers.co.uk Total 5
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20 10. (a) The graph below shows how the concentration of alcohol in a person s blood changed after drinking alcoholic drinks concentration of alcohol in the blood (mg/100 cm 3 ) time after drinking (hours) 6 It is illegal to drive if the concentration of alcohol in the blood is higher than 80 mg/100 cm 3. Use the graph to find out how long the concentration of alcohol in this person s blood was higher than 80 mg/100 cm 3. 10a hours (b) Why does alcohol in the blood increase the chance of having an accident? Tick the correct box. It causes slurred speech. It dulls the senses of taste and smell. 10b It increases the size of the pupil in the eye. It increases the time taken to react. KS3/04/Sc/Tier 3 6/P1 20 Sourced from SATs-Papers.co.uk
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23 (c) Harry and Yasmin came to the following conclusions. Harry Yasmin Explain why Yasmin s conclusion is better than Harry s conclusion. 11c (d) Yasmin said, We should also measure Harry s heart rate after he drinks fizzy water. How would measuring Harry s heart rate after he drinks fizzy water improve the investigation? 11d KS3/04/Sc/Tier 3 6/P1 23 Sourced from SATs-Papers.co.uk maximum 4 marks Total 4
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25 Suggest the function of the smooth, slippery surface with downward pointing hairs. 12b (c) There are useful bacteria living in the liquid. They produce enzymes to help digest the insects. Both the bacteria and the pitcher plant absorb some of the products of digestion. How does the number of insects that fall into the liquid affect the number of these useful bacteria? 12c (d) Pitcher plants also have ordinary green leaves where photosynthesis takes place. (i) (ii) Complete the word equation for photosynthesis. Glucose is a carbohydrate. + water glucose + Why are carbohydrates needed by living things? Tick the correct box. 12di 12di to provide energy to provide liquid to provide immunity to provide minerals 12dii KS3/04/Sc/Tier 3 6/P1 25 Sourced from SATs-Papers.co.uk maximum 6 marks Total 6
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27 Use information in the table opposite to answer part (i) and part (ii) below. (i) Which gas dissolved to form the most acidic solution? Explain your choice. 13ai (ii) Which gas formed a neutral solution? Explain your choice. 13aii (iii) What effect does an alkali have on an acid? 13aiii (b) Some metals react with acids in the air. Complete the word equation for the reaction between zinc and hydrochloric acid. 13b zinc + hydrochloric + acid 13b KS3/04/Sc/Tier 3 6/P1 27 Sourced from SATs-Papers.co.uk maximum 5 marks Total 5
28 14. (a) Samantha opened a tin of white paint. The paint consisted of a liquid and particles of titanium dioxide that are insoluble in the liquid. The paint had separated into two layers, as shown below. liquid particles of insoluble titanium dioxide (i) What type of substance is the paint? Tick the correct box. 14ai a compound an element a mixture (ii) What type of substance is titanium dioxide? Tick the correct box. 14aii a compound an element a mixture (iii) Why did the particles of insoluble titanium dioxide sink to the bottom? 14aiii KS3/04/Sc/Tier 3 6/P1 28 Sourced from SATs-Papers.co.uk
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31 Stearic acid is a solid at room temperature. (a) (i) Which letter on the graph opposite shows the point at which the stearic acid began to change state? 15ai (ii) Use the graph to find the temperature at which the stearic acid began to change state. C (iii) Look at the graph. What was the physical state of the stearic acid: at point A? 15aii 15aiii (b) at point D? The test-tube transfers thermal energy from the water to the stearic acid. By what method is most of the thermal energy transferred? Tick the correct box. 15aiii conduction evaporation convection radiation 15b (c) Stearic acid boils at 360 C. The stearic acid could not boil in this experiment. Give the reason for this. 15c KS3/04/Sc/Tier 3 6/P1 31 Sourced from SATs-Papers.co.uk maximum 6 marks Total 6
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33 (iii) At which point does the car have some kinetic energy and the least gravitational potential energy? Give the correct letter. 16aiii (b) (i) The cars are not powered by a motor. What force causes the cars to move along the track from B to C? 16bi (ii) When a car splashes through the water at E, it slows down. What force acts on the car to slow it down? 16bii (c) Complete the sentence below by choosing from the following words. chemical gravitational potential kinetic light sound thermal When the car hits the bumper at F, its energy 16c is transferred into energy and 16c energy. 16c KS3/04/Sc/Tier 3 6/P1 33 Sourced from SATs-Papers.co.uk maximum 8 marks Total 8
34 17. Imran built a puzzle circuit with three identical bulbs and a 3V battery. He covered the connections to the bulbs with a piece of card as shown below. The bulbs could be seen through holes in the card. 3V battery A C B card All the bulbs were on but their brightness was different. Lucy removed bulbs A, B and C in turn. Before connecting each bulb back into the circuit she observed the effect on the other two bulbs. She recorded her observations in the table below. bulb removed observations A B C B and C stayed on C went off A stayed on B went off A stayed on KS3/04/Sc/Tier 3 6/P1 34 Sourced from SATs-Papers.co.uk
35 (a) Complete the circuit diagram below to show how the three bulbs could be connected. Use your knowledge of series and parallel circuits, and the observations in the table to help you. 3V battery A 17a C 17a B (b) Imran used three identical bulbs but their brightness was different. Which bulb was the brightest? Give the letter. Give the reason for your choice. 17b (c) Imran added a switch to the circuit so that he could turn all three bulbs on and off at the same time. Place a letter S on your circuit diagram where this switch could be placed. 17c PLEASE TURN OVER FOR THE LAST QUESTION maximum 4 marks KS3/04/Sc/Tier 3 6/P1 35 Sourced from SATs-Papers.co.uk Total 4
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