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-345430-210336P2S4 YEAR 10COMBINED SCIENCE ADDITIONAL TESTFOUNDATION TIER00P2S4 YEAR 10COMBINED SCIENCE ADDITIONAL TESTFOUNDATION TIER4195445132715SectionMarksBio Q1 Q2Chem Q1 Q2Q3Phy Q1 Q2TotalGrade00SectionMarksBio Q1 Q2Chem Q1 Q2Q3Phy Q1 Q2TotalGrade-195319125730For this test you will need:A penA pencilA rulerA rubberA calculatorTime allowed: 45 MINUTESMaximum marks available: 45PUPIL NAME:SET:TEACHER FEEDBACK:00For this test you will need:A penA pencilA rulerA rubberA calculatorTime allowed: 45 MINUTESMaximum marks available: 45PUPIL NAME:SET:TEACHER FEEDBACK:You need to revise more effectively.Quality of written communication question: Work on your spelling, grammar and punctuation.Attempt and answers all questions.Show your workings of calculationsShow substitution into equationsUse scientific key words in your answers.Check how many marks a question is worth – make sure you include enough science knowledgeRead the command words carefully: Describe, explain etc.Include correct units Biology SectionQ1.Photosynthesis uses carbon dioxide to make glucose.(a)???? (i)??????Complete the equation for photosynthesis.carbon dioxide + .......................... glucose + ....................(2)(ii)?????What type of energy does a plant use in photosynthesis?...............................................................................................................(1)(iii)????Which part of a plant cell absorbs the energy needed for photosynthesis?...............................................................................................................(1)(b) ????The graph shows the effect of the concentration of carbon dioxide on the rate of photosynthesis in tomato plants at 20 °C.(i)??????What is the maximum rate of photosynthesis of the tomato plants shown in the graph?.......................... arbitrary units(1)(ii)?????At point X, carbon dioxide is not a limiting factor of photosynthesis.Suggest one factor that is limiting the rate of photosynthesis at point X................................................................................................................(1)(c) ????A farmer plans to grow tomatoes in a large greenhouse.The concentration of carbon dioxide in the atmosphere is 0.04%.The farmer adds carbon dioxide to the greenhouse so that its concentration is 0.08%.(i)??????Why does the farmer use 0.08% carbon dioxide?Tick () one box.??To increase the rate of growth of the tomato plants?To increase the rate of respiration of the tomato plants?To increase water uptake by the tomato plants(1)(ii)????Why does the farmer not use a concentration of carbon dioxide higher than 0.08%?Tick () two boxes.??Because it would cost more money than using 0.08%?Because it would decrease the temperature of the greenhouse?Because it would not increase the rate of photosynthesis of thetomato plants any further?Because it would increase water loss from the tomato plants(2)(Total 9 marks)Q2.????????? A class of students was set the task of estimating the number of dandelions on the school field.To do this, they decided to use sampling squares called quadrats.Each quadrat had an area of 1 m2.The diagram shows the dimensions of the school field.(a)???? Describe how the students should decide where to place the quadrats to investigate the distribution of the dandelions.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(2)(b)???? Each student collected data by using 10 quadrats.These are the results for one student, Mary.?Quadrat numberNumber of dandelions132336425162708392100Calculate the mean number of dandelions per quadrat counted by Mary.Show clearly how you work out your answer.................................................................................................................................................................................................................................................Mean number of dandelions ............................(2)(c)???? Another student, Sharon, calculated a mean of 2.8 dandelions per quadrat from her results.Estimate the number of dandelions in the whole field by using:???????? a mean of 2.8 dandelions per quadrat???????? information from the diagram on the opposite page???????? the equation below.Show clearly how you work out your answer.?estimated number of dandelions on field=mean number of dandelions per quadrat×number of quadrats that would fit into the field................................................................................................................................................................................................................................................Estimated number of dandelions ...............................(2)(Total 6 marks)Chemistry SectionQ1.????????? Hydrogen fluoride is used to make hydrofluoric acid.(a) ????A company makes hydrogen fluoride by reacting solid calcium fluoride with sulfuric acid. The reaction takes place in a rotating kiln.?calcium fluoride+sulfuric acid→calcium sulfate+hydrogen fluorideThe company want this reaction to take place quickly.(i)????? Rotating the kiln makes the reaction take place faster.Suggest why...............................................................................................................................................................................................................................(1)(ii)?????Draw a ring around the correct word in each box.To make the reaction take place faster:??higher?less?the temperature should be?so that the particles have?energy?lower?more???powder?small?the solid calcium fluoride should be?to give a?surface area?lumps?big???dilute?less?the sulfuric acid solution should be?to give ?collisions?concentrated?more?between the particles each second.(3)(Total 4 marks)Q2.??The diagram shows how magnesium and iodine atoms form magnesium iodide.Only the outer electrons are shown.The dots (●) and crosses (×) are used to represent electrons.?Use the diagram to help you to answer this question.Describe, as fully as you can, what happens when magnesium reacts with iodine to make magnesium iodide.To gain full marks you should use the words atom, electron and ion in your answer.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(4)(b)???? Calcium bromide is another ionic compound.Use the ion table on the data sheet to work out the formula of this compound...........................................................................................................................................................................................................................................................................(1)(Total 5 marks)Q3.????????? A student investigated some instant soup.(a)???? Instant soup contains a food additive which has the formula:NaH2PO4????????? Give the names of all the elements in this compound. ????????? The periodic table on the Data Sheet may help you to answer this question...........................................................................................................................................................................................................................................................................(1)(b)???? The student investigated the reaction which takes place when soup powder is added to cold water.????????? The student thought that the reaction might be exothermic.(i)????? What is meant by the term exothermic reaction?......................................................................................................................................................................................................................................................(2)(c)??????? A student heated some blue copper sulphate crystals. The crystals turned into white copper sulphate.(i)???? The blue copper sulphate had to be heated to change it into white copper sulphate.????????? State whether the reaction was exothermic or endothermic. ....................................????????? Explain your answer...........................................................................................................................................................................................................................................................................(1)(d)???? The word equation for this reaction is shown below.(i)????? What does the symbol ?tell you about this reaction?..........................................................................................................................(1)(ii)???? How could the student turn the white powder back to blue?..........................................................................................................................(1)(Total 6 marks)?Physics sectionQ1.The diagram shows a climber part way up a cliff.?(a) ????Complete the sentence.When the climber moves up the cliff, the climbergains gravitational ............................................ energy.(1)(b) ????The climber weighs 660 N.(i)??????Calculate the work the climber must do against gravity, to climb to the top of the cliff.Use the correct equation from the Physics Equations Sheet...............................................................................................................................................................................................................................Work done = .................................................. J(2)(ii)?????It takes the climber 800 seconds to climb to the top of the cliff.During this time the energy transferred to the climber equals the work done by the climber.Calculate the power of the climber during the climb.Use the correct equation from the Physics Equations Sheet...............................................................................................................................................................................................................................Power = .................................................. W(2)(Total 5 marks)Q2a) ????Figure 1 shows the forces acting on a model air-powered rocket just after it has been launched vertically upwards.(i)??????How does the velocity of the rocket change as the rocket moves upwards?............................................................................................................... (1)(ii)?????The velocity of the rocket is not the same as the speed of the rocket.What is the difference between the velocity of an object and the speed of an object?.............................................................................................................................................................................................................................................................................................................................................(1)(b) ????The speed of the rocket just after being launched is 12 m / s.The mass of the rocket is 0.05 kg.(i)??????Calculate the kinetic energy of the rocket just after being launched.Use the correct equation from the Physics Equations Sheet..............................................................................................................................................................................................................................................................................................................................................Kinetic energy = ......................................... J(2)(ii)?????As the rocket moves upwards, it gains gravitational potential energy.State the maximum gravitational potential energy gained by the rocket.Ignore the effect of air resistance.Maximum gravitational potential energy = ......................................... J(1)(iii)????Calculate the maximum height the rocket will reach.Ignore the effect of air resistance.Gravitational field strength = 10 N / kg.Use the correct equation from the Physics Equations Sheet..............................................................................................................................................................................................................................................................................................................................................Maximum height = ......................................... m(2)(iv)????Figure 2 shows four velocity?time graphs.?Taking air resistance into account, which graph, A, B, C or D, shows how the velocity of the rocket changes as it falls from the maximum height it reached until it just hits the ground???Write the correct answer in the box.(1)(c) ????The rocket can be launched at different angles to the horizontal.The horizontal distance the rocket travels is called the range.Figure 3 shows the paths taken by the rocket when launched at different angles.Air resistance has been ignored.What pattern links the angle at which the rocket is launched and the range of the rocket?................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................(2)(Total 10 marks)End of test-61595444500022161540132000 ................
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