var box1bg = '#FED165'; /* Rollover Colours */ var box2bg = '#97B862'; /* Rollover Colours B4D626 */ var lastLink = null; var lastLevel; //taken from s_vars.js var box02plain = 'url(images/s/bg_blue01.gif)'; var box03 = 'url(images/s/bg_green01r.gif)'; var box03plain = 'url(images/s/bg_green01.gif)'; var arrTopic = new Array( [[1,["Living Things and the Environment"],["B1"]]], [[1,["Cells"],["B2"]]], [[1,["Plants as Organisms"],["B3"]]], [[1,["Humans as Organisms"],["B4"]]], [[1,["Inheritance and Evolution"],["B5"]]], [[2,["Matter"],["C1"]]], [[2,["Elements, Compounds, Mixtures"],["C2"]]], [[2,["Methods of Separating Substances"],["C3"]]], [[2,["The Structure of the Atom"],["C4"]]], [[2,["Electrolysis"],["C5"]]], [[2,["The Chemical Bond"],["C6"]]], [[2,["The Periodic Table"],["C7"]]], [[2,["Acids, Bases and Salts"],["C8"]]], [[2,["Air"],["C9"]]], [[2,["Water"],["C10"]]], [[2,["Planet Earth"],["C11"]]], [[2,["Metals and Alloys"],["C12"]]], [[2,["Reaction Rates"],["C13"]]], [[2,["Fuels"],["C14"]]], [[2,["Alkenes and Plastics"],["C15"]]], [[3,["The Basics"],["E1"]]], [[3,["Literary Prose"],["E2"]]], [[3,["Non-fiction "],["E3"]]], [[3,["The Media"],["E4"]]], [[3,["Shakespeare"],["E5"]]], [[3,["Modern Drama"],["E6"]]], [[3,["Poetry"],["E7"]]], [[3,["Drafting and Proofreading"],["E8"]]], [[3,["The Exam"],["E9"]]], [[4,["Numbers Step 1"],["MI1"]]], [[4,["Algebra Step 1"],["MI2"]]], [[4,["Shape and Space Step 1"],["MI3"]]], [[4,["Handling Data Step 1"],["MI4"]]], [[4,["Numbers Step 2"],["MI5"]]], [[4,["Algebra Step 2"],["MI6"]]], [[4,["Shape and Space Step 2"],["MI7"]]], [[4,["Handling Data Step 2"],["MI8"]]], [[4,["Numbers Step 3"],["MI9"]]], [[4,["Algebra Step 3"],["MI10"]]], [[4,["Shape and Space Step 3"],["MI11"]]], [[5,["Number 1"],["MA1"]]], [[5,["Algebra and Graphs 2"],["MA2"]]], [[5,["Shape, Space and Measure 3"],["MA3"]]], [[5,["Handling Data"],["MA4"]]], [[5,["Mind Maps"],["MA5"]]], [[6,["The Earth in Space"],["P1"]]], [[6,["Energy"],["P2"]]], [[6,["Waves"],["P3"]]], [[6,["Force"],["P4"]]], [[6,["Materials"],["P5"]]], [[6,["Radioactivity"],["P6"]]], [[6,["Electricity"],["P7"]]], [[6,["Electromagnetism"],["P8"]]] ); var arrsubTopic = new Array( [[["B1"],["Characteristics of life"],["HBI3"]]], [[["B1"],["Life on Earth"],["HBI4"]]], [[["B1"],["Classification"],["HBI5"]]], [[["B1"],["Identifying living things"],["HBI6"]]], [[["B1"],["What is an ecosystem?"],["HBI7"]]], [[["B1"],["An oak wood ecosystem"],["HBI8"]]], [[["B1"],["Food chains"],["HBI9"]]], [[["B1"],["Food webs"],["HBI10"]]], [[["B1"],["Ecological pyramids"],["HBI11"]]], [[["B1"],["Ecological pyramids for a woodland community"],["HBI12"]]], [[["B1"],["Pyramid of energy"],["HBI13"]]], [[["B1"],["Decomposition and the nitrogen cycle"],["HBI14"]]], [[["B1"],["Decomposition and the carbon cycle"],["HBI15"]]], [[["B1"],["Distribution of organisms"],["HBI16"]]], [[["B1"],["Population size"],["HBI17"]]], [[["B1"],["Producing food"],["HBI18"]]], [[["B1"],["Pollution"],["HBI19"]]], [[["B1"],["Living Things and the Environment - Questions"],["HBI20"]]], [[["B2"],["Cell structure"],["HBI22"]]], [[["B2"],["Molecules on the move"],["HBI23"]]], [[["B2"],["Diffusion, active transport and osmosis"],["HBI24"]]], [[["B2"],["Cells, tissues and organs"],["HBI25"]]], [[["B2"],["Cell division"],["HBI26"]]], [[["B2"],["Mitosis and meiosis - sequence of events"],["HBI27"]]], [[["B2"],["Comparing mitosis and meiosis"],["HBI28"]]], [[["B2"],["Chemicals in living things - carbohydrates"],["HBI29"]]], [[["B2"],["Lipids and proteins"],["HBI30"]]], [[["B2"],["Nucleic acids"],["HBI31"]]], [[["B2"],["Enzymes in action"],["HBI32"]]], [[["B2"],["Cells - Questions"],["HBI33"]]], [[["B3"],["Photosynthesis"],["HBI35"]]], [[["B3"],["Inside the leaf"],["HBI36"]]], [[["B3"],["Transport in plants"],["HBI37"]]], [[["B3"],["Transport of water and minerals"],["HBI38"]]], [[["B3"],["Transport of food"],["HBI39"]]], [[["B3"],["Plant responses"],["HBI40"]]], [[["B3"],["Plants as Organisms - Questions"],["HBI41"]]], [[["B4"],["Food"],["HBI43"]]], [[["B4"],["Food and diet - Mind Map"],["HBI44"]]], [[["B4"],["Digesting food"],["HBI45"]]], [[["B4"],["Digesting food - mouth, stomach and small intestine"],["HBI46"]]], [[["B4"],["Digestive enzymes"],["HBI47"]]], [[["B4"],["Using air"],["HBI48"]]], [[["B4"],["The lungs and upper respiratory tract"],["HBI49"]]], [[["B4"],["Gaseous exchange in the lungs"],["HBI50"]]], [[["B4"],["Breathing movements"],["HBI51"]]], [[["B4"],["Respiration"],["HBI52"]]], [[["B4"],["Blood"],["HBI53"]]], [[["B4"],["Moving blood around"],["HBI54"]]], [[["B4"],["Blood vessels"],["HBI55"]]], [[["B4"],["Capillaries"],["HBI56"]]], [[["B4"],["Disorders of the blood"],["HBI57"]]], [[["B4"],["Disorders of the blood - understanding heart disease"],["HBI58"]]], [[["B4"],["Co-ordination and the nervous system"],["HBI59"]]], [[["B4"],["Reflex arc"],["HBI60"]]], [[["B4"],["Hormones"],["HBI61"]]], [[["B4"],["The menstrual cycle"],["HBI62"]]], [[["B4"],["Regulating glucose"],["HBI63"]]], [[["B4"],["Homeostasis"],["HBI64"]]], [[["B4"],["Kidneys"],["HBI65"]]], [[["B4"],["The working nephron"],["HBI66"]]], [[["B4"],["The skin and control of body temperature"],["HBI67"]]], [[["B4"],["Section through the skin"],["HBI68"]]], [[["B4"],["Reproduction - Mind Map"],["HBI69"]]], [[["B4"],["What is disease?"],["HBI70"]]], [[["B4"],["Lifestyles and disease"],["HBI71"]]], [[["B4"],["Fighting disease"],["HBI72"]]], [[["B4"],["Humans as Organisms - Questions"],["HBI73"]]], [[["B5"],["Reproduction"],["HBI75"]]], [[["B5"],["Monohybrid inheritance"],["HBI76"]]], [[["B5"],["Inheritance of sex"],["HBI77"]]], [[["B5"],["Sex-linked inheritance"],["HBI78"]]], [[["B5"],["Genetic engineering"],["HBI79"]]], [[["B5"],["Making genetically engineered insulin"],["HBI80"]]], [[["B5"],["Variation"],["HBI81"]]], [[["B5"],["Evolution"],["HBI82"]]], [[["B5"],["Inheritance and evolution - Questions"],["HBI83"]]], [[["C1"],["The kinetic theory of matter"],["HCH3"]]], [[["C1"],["Change of state"],["HCH4"]]], [[["C1"],["What does the kinetic theory explain?"],["HCH5"]]], [[["C1"],["Matter and the Kinetic Theory - Questions"],["HCH6"]]], [[["C2"],["Elements - Physical properties"],["HCH8"]]], [[["C2"],["Elements - Chemical properties"],["HCH9"]]], [[["C2"],["Compounds and Mixtures"],["HCH10"]]], [[["C2"],["Symbols, Formulas, Equations"],["HCH11"]]], [[["C2"],["Elements, Compounds, Mixtures - Questions"],["HCH12"]]], [[["C3"],["Separating a soluble solid from an insoluble solid"],["HCH14"]]], [[["C3"],["Separating two or more solids by chromatography"],["HCH15"]]], [[["C3"],["Separating a solvent and a solute in a solution"],["HCH16"]]], [[["C3"],["Separating two miscible liquids"],["HCH17"]]], [[["C3"],["Separating two immiscible liquids"],["HCH18"]]], [[["C3"],["Methods of Separating Substances - Questions"],["HCH19"]]], [[["C4"],["Protons, neutrons and electrons"],["HCH21"]]], [[["C4"],["The arrangement of particles"],["HCH22"]]], [[["C4"],["The arrangement of electrons"],["HCH23"]]], [[["C4"],["Isotopes"],["HCH24"]]], [[["C4"],["The Structure of the Atom - Questions"],["HCH25"]]], [[["C5"],["What happens when compounds conduct electricity?"],["HCH27"]]], [[["C5"],["Electrolysis of copper(II) chloride solution with carbon electrodes"],["HCH28"]]], [[["C5"],["Sodium chloride solution"],["HCH29"]]], [[["C5"],["Copper(II) sulphate solution"],["HCH30"]]], [[["C5"],["Which ions are discharged?"],["HCH31"]]], [[["C5"],["The products of electrolysis of some electrolytes"],["HCH32"]]], [[["C5"],["Applications of electrolysis"],["HCH33"]]], [[["C6"],["Ionic bonding"],["HCH35"]]], [[["C6"],["Covalent bonding"],["HCH36"]]], [[["C6"],["Ionic compounds"],["HCH37"]]], [[["C6"],["Covalent compounds"],["HCH38"]]], [[["C6"],["The Chemical Bond - Questions"],["HCH39"]]], [[["C7"],["The Periodic Table"],["HCH41"]]], [[["C7"],["The alkali metals and the alkaline earths"],["HCH42"]]], [[["C7"],["Halogens"],["HCH43"]]], [[["C7"],["Transition metals"],["HCH44"]]], [[["C7"],["The Periodic Table - Questions"],["HCH45"]]], [[["C8"],["Acids"],["HCH47"]]], [[["C8"],["Bases"],["HCH48"]]], [[["C8"],["Neutralisation"],["HCH49"]]], [[["C8"],["Indicators"],["HCH50"]]], [[["C8"],["Some useful salts"],["HCH51"]]], [[["C8"],["Methods of making salts"],["HCH52"]]], [[["C8"],["Acids, Bases and Salts - Questions"],["HCH53"]]], [[["C9"],["Oxygen"],["HCH55"]]], [[["C9"],["Reactions of oxygen with some elements"],["HCH56"]]], [[["C9"],["Oxides"],["HCH57"]]], [[["C9"],["Oxidation and reduction"],["HCH58"]]], [[["C9"],["Nitrogen"],["HCH59"]]], [[["C9"],["The nitrogen cycle"],["HCH60"]]], [[["C9"],["Carbon dioxide and the carbon cycle"],["HCH61"]]], [[["C9"],["The carbon cycle"],["HCH62"]]], [[["C9"],["The greenhouse effect"],["HCH63"]]], [[["C9"],["The noble gases"],["HCH64"]]], [[["C9"],["The problem of pollution"],["HCH65"]]], [[["C9"],["Air - Questions"],["HCH66"]]], [[["C10"],["The water cycle"],["HCH68"]]], [[["C10"],["Water underground"],["HCH69"]]], [[["C10"],["Tests for water"],["HCH70"]]], [[["C10"],["Pollution of water"],["HCH71"]]], [[["C10"],["Water - Questions"],["HCH72"]]], [[["C11"],["The structure of the Earth"],["HCH74"]]], [[["C11"],["Plate tectonics"],["HCH75"]]], [[["C11"],["The movement of plates"],["HCH76"]]], [[["C11"],["Types of rock"],["HCH77"]]], [[["C11"],["The rock cycle"],["HCH78"]]], [[["C11"],["The landscape"],["HCH79"]]], [[["C11"],["Planet Earth - Questions"],["HCH80"]]], [[["C12"],["The chemical reactions of metals"],["HCH82"]]], [[["C12"],["The reactivity series"],["HCH83"]]], [[["C12"],["Predictions from the reactivity series"],["HCH84"]]], [[["C12"],["Extraction of iron in a blast furnace"],["HCH85"]]], [[["C12"],["Iron and steel"],["HCH86"]]], [[["C12"],["Metals and Alloys - Questions"],["HCH87"]]], [[["C13"],["Particle size"],["HCH89"]]], [[["C13"],["Concentration"],["HCH90"]]], [[["C13"],["Pressure, Temperature and Light"],["HCH91"]]], [[["C13"],["Catalysts"],["HCH92"]]], [[["C13"],["Enzymes"],["HCH93"]]], [[["C13"],["Reaction Rates - Questions"],["HCH94"]]], [[["C14"],["Fossil fuels"],["HCH96"]]], [[["C14"],["Obtaining fuels from petroleum"],["HCH97"]]], [[["C14"],["Cracking and alkanes"],["HCH98"]]], [[["C14"],["Energy and chemical reactions"],["HCH99"]]], [[["C14"],["Energy diagrams"],["HCH100"]]], [[["C14"],["Fuels - Questions"],["HCH101"]]], [[["C15"],["Alkenes and their reactions"],["HCH103"]]], [[["C15"],["Thermosoftening and thermosetting plastics"],["HCH104"]]], [[["C15"],["Some drawbacks of plastics"],["HCH105"]]], [[["C15"],["The Chemical Bond"],["HCH106"]]], [[["E1"],["Getting to grips with English"],["HEN3"]]], [[["E1"],["Studying English Language - Mind Map"],["HEN4"]]], [[["E1"],["Speaking and listening"],["HEN5"]]], [[["E1"],["Speaking and listening - Mind Map"],["HEN6"]]], [[["E1"],["Reading"],["HEN7"]]], [[["E1"],["Writing"],["HEN8"]]], [[["E2"],["Structure of literary prose"],["HEN10"]]], [[["E2"],["Structure of literary prose - Mind Map"],["HEN11"]]], [[["E2"],["Character"],["HEN12"]]], [[["E2"],["Style and language"],["HEN13"]]], [[["E2"],["Setting and atmosphere"],["HEN14"]]], [[["E2"],["Plot and structure"],["HEN15"]]], [[["E2"],["Themes"],["HEN16"]]], [[["E2"],["Viewpoint"],["HEN17"]]], [[["E2"],["Comparing texts"],["HEN18"]]], [[["E3"],["About non-fiction"],["HEN20"]]], [[["E3"],["Letters"],["HEN21"]]], [[["E3"],["Diaries and journals"],["HEN22"]]], [[["E3"],["Biography and autobiography"],["HEN23"]]], [[["E3"],["Travel writing"],["HEN24"]]], [[["E3"],["Information"],["HEN25"]]], [[["E4"],["About the media"],["HEN27"]]], [[["E4"],["Media - Mind Map"],["HEN28"]]], [[["E4"],["Facts, opinions and argument"],["HEN29"]]], [[["E4"],["Bias"],["HEN30"]]], [[["E4"],["Comparing media"],["HEN31"]]], [[["E4"],["Advertising and appeals"],["HEN32"]]], [[["E4"],["Presentation"],["HEN33"]]], [[["E5"],["Background"],["HEN35"]]], [[["E5"],["Style and language"],["HEN36"]]], [[["E5"],["Character"],["HEN37"]]], [[["E5"],["Character - Mind Map"],["HEN38"]]], [[["E5"],["Social and historical context"],["HEN39"]]], [[["E5"],["Themes"],["HEN40"]]], [[["E5"],["Performance"],["HEN41"]]], [[["E6"],["Plays versus literature"],["HEN43"]]], [[["E6"],["Drama - Mind Map"],["HEN44"]]], [[["E6"],["Considering a scene"],["HEN45"]]], [[["E7"],["About poetry"],["HEN47"]]], [[["E7"],["Poetry - Mind Map"],["HEN48"]]], [[["E7"],["Poetic form"],["HEN49"]]], [[["E7"],["Language and poetic devices"],["HEN50"]]], [[["E7"],["Studying poems"],["HEN51"]]], [[["E7"],["Applying what you know"],["HEN52"]]], [[["E7"],["Comparing poems"],["HEN53"]]], [[["E8"],["Improving a first draft"],["HEN55"]]], [[["E8"],["Sequencing and paragraphing"],["HEN56"]]], [[["E8"],["Punctuation (1)"],["HEN57"]]], [[["E8"],["Punctuation (2)"],["HEN58"]]], [[["E8"],["Spelling (1)"],["HEN59"]]], [[["E8"],["Spelling (2)"],["HEN60"]]], [[["E8"],["Commonly confused words"],["HEN61"]]], [[["E8"],["Answer to drafting and proofreading exercise"],["HEN62"]]], [[["E9"],["Tackling the exam"],["HEN64"]]], [[["MI1"],["For a start"],["HMA3"]]], [[["MI1"],["Number basics"],["HMA4"]]], [[["MI1"],["Triplets"],["HMA5"]]], [[["MI1"],["Direct proportionality - X-Direct method"],["HMA6"]]], [[["MI1"],["Pie charts and percentages"],["HMA7"]]], [[["MI1"],["Ratios"],["HMA8"]]], [[["MI1"],["Direct and inverse proportion"],["HMA9"]]], [[["MI1"],["Percentages"],["HMA10"]]], [[["MI1"],["Decimal places and significant figures"],["HMA11"]]], [[["MI1"],["Smallest and largest values"],["HMA12"]]], [[["MI1"],["Standard/Standard index form"],["HMA13"]]], [[["MI1"],["Powers/Indices"],["HMA14"]]], [[["MI2"],["Algebra basics"],["HMA16"]]], [[["MI2"],["Equation basics"],["HMA17"]]], [[["MI2"],["Balancing equations"],["HMA18"]]], [[["MI2"],["Equations viewed vertically"],["HMA19"]]], [[["MI2"],["Equations and graphs"],["HMA20"]]], [[["MI2"],["Equally spaced sequences"],["HMA21"]]], [[["MI2"],["Quadratic sequences"],["HMA22"]]], [[["MI2"],["Further quadratic sequences"],["HMA23"]]], [[["MI2"],["Methods for cracking sequences"],["HMA24"]]], [[["MI3"],["Angles and triangles"],["HMA26"]]], [[["MI3"],["Intersecting and parallel lines"],["HMA27"]]], [[["MI3"],["Angles of polygons"],["HMA28"]]], [[["MI3"],["Circles"],["HMA29"]]], [[["MI3"],["Irregular shapes"],["HMA30"]]], [[["MI3"],["Pythagoras' theorem"],["HMA31"]]], [[["MI3"],["Trigonometry basics"],["HMA32"]]], [[["MI3"],["Trigonometry questions - sides"],["HMA33"]]], [[["MI3"],["Trigonometry questions - angles"],["HMA34"]]], [[["MI3"],["Trigonometry questions - triangles"],["HMA35"]]], [[["MI3"],["Pythagoras' theorem versus trigonometry"],["HMA36"]]], [[["MI4"],["Averages and range"],["HMA38"]]], [[["MI4"],["Cumulative frequency"],["HMA39"]]], [[["MI4"],["Grouped frequency"],["HMA40"]]], [[["MI4"],["Correlation"],["HMA41"]]], [[["MI4"],["Samples and surveys"],["HMA42"]]], [[["MI4"],["Fractions and probability"],["HMA43"]]], [[["MI4"],["Probability"],["HMA44"]]], [[["MI4"],["Tree diagrams"],["HMA45"]]], [[["MI5"],["Imperial and metric units"],["HMA47"]]], [[["MI5"],["Imperial and metric units - continued"],["HMA48"]]], [[["MI5"],["Types of numbers"],["HMA49"]]], [[["MI5"],["Prime numbers and prime factors"],["HMA50"]]], [[["MI6"],["Simultaneous equations"],["HMA52"]]], [[["MI6"],["Simplifying algebra"],["HMA53"]]], [[["MI6"],["Expanding and simplifying expressions"],["HMA54"]]], [[["MI6"],["How to factorise"],["HMA55"]]], [[["MI6"],["Gradients"],["HMA56"]]], [[["MI6"],["Equation of a line"],["HMA57"]]], [[["MI7"],["Quadrilaterals"],["HMA59"]]], [[["MI7"],["Volume"],["HMA60"]]], [[["MI7"],["Bearings"],["HMA61"]]], [[["MI7"],["Loci"],["HMA62"]]], [[["MI7"],["Loci and constructions"],["HMA63"]]], [[["MI7"],["Shapes and transformations"],["HMA64"]]], [[["MI7"],["Reflections"],["HMA65"]]], [[["MI7"],["Rotations"],["HMA66"]]], [[["MI7"],["Enlargements"],["HMA67"]]], [[["MI7"],["Translations"],["HMA68"]]], [[["MI8"],["Frequency diagrams"],["HMA70"]]], [[["MI8"],["Frequency charts"],["HMA71"]]], [[["MI9"],["Fractions"],["HMA73"]]], [[["MI9"],["Fractions and product of prime factors"],["HMA74"]]], [[["MI10"],["Rearranging formulae"],["HMA76"]]], [[["MI10"],["How to factorise double brackets"],["HMA77"]]], [[["MI10"],["Quadratic equations"],["HMA78"]]], [[["MI10"],["Solving by factorising"],["HMA79"]]], [[["MI10"],["Quadratic graphs"],["HMA80"]]], [[["MI10"],["Mind Maps - algebra/graphs"],["HMA81"]]], [[["MI10"],["Inequalities"],["HMA82"]]], [[["MI10"],["Inequalities and regions"],["HMA83"]]], [[["MI11"],["Dimensions"],["HMA85"]]], [[["MI11"],["Plan and elevation"],["HMA86"]]], [[["MI11"],["Tessellation"],["HMA87"]]], [[["MI11"],["Nearly there now!"],["HMA88"]]], [[["MI11"],["You've made it!"],["HMA89"]]], [[["MA1"],["Indices"],["HHM3"]]], [[["MA1"],["Standard form"],["HHM4"]]], [[["MA1"],["Calculations involving upper and lower bounds"],["HHM5"]]], [[["MA1"],["Rational and irrational numbers"],["HHM6"]]], [[["MA1"],["Direct and inverse proportion"],["HHM7"]]], [[["MA1"],["Exponential growth and decay"],["HHM8"]]], [[["MA2"],["Linear graphs and y = mx + c"],["HHM10"]]], [[["MA2"],["Simultaneous equations"],["HHM11"]]], [[["MA2"],["Formula rearrangement"],["HHM12"]]], [[["MA2"],["Quadratic expressions and equations"],["HHM13"]]], [[["MA2"],["Algebraic fractions"],["HHM14"]]], [[["MA2"],["Iteration"],["HHM15"]]], [[["MA2"],["Setting up algebraic simultaneous equations"],["HHM16"]]], [[["MA2"],["Sequences"],["HHM17"]]], [[["MA2"],["Solving equations graphically"],["HHM18"]]], [[["MA2"],["Areas and tangent to a curve"],["HHM19"]]], [[["MA2"],["Functions"],["HHM20"]]], [[["MA2"],["Sine, cosine and tangent graphs"],["HHM21"]]], [[["MA2"],["Recognising graphs - 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