CCEA · GCSE
Your journey to excellence inDouble Award Science
By Revision Genie
I want to study…
Start learning
Start with the first Double Award Science lesson.
Using a Light Microscope
1Using a Light MicroscopeRead next2Structure of Animal CellsRead next3Structure of Plant CellsRead next4Structure of Bacterial CellsRead next5Specialisation in Multicellular OrganismsRead next6Photosynthesis OverviewRead next7Word Equation for PhotosynthesisRead next8Balanced Equation for PhotosynthesisRead next9Investigating Photosynthesis with Starch TestsRead next10Role of Light, CO2, and Chlorophyll in PhotosynthesisRead next11Limiting Factors in PhotosynthesisRead next12Gas Exchange in PlantsRead next13Hydrogencarbonate Indicator and CO2 LevelsRead next14Structure of a Mesophytic LeafRead next15Adaptations for Gas Exchange in LeavesRead next16Adaptations for Light Absorption in LeavesRead next17Food Groups and Their FunctionsRead next18Testing for Reducing SugarsRead next19Testing for StarchRead next20Testing for ProteinsRead next21Testing for FatsRead next22Investigating Energy Content in FoodRead next23Role of Enzymes as Biological CatalystsRead next24Lock and Key Model of Enzyme ActionRead next25Effect of Temperature on Enzyme ActivityRead next26Effect of pH on Enzyme ActivityRead next27Effect of Enzyme Concentration and InhibitorsRead next28Enzymes in DigestionRead next29Adaptations of Respiratory SurfacesRead next30Effect of Exercise on BreathingRead next31Aerobic Respiration OverviewRead next32Word Equation for Aerobic RespirationRead next33Balanced Equation for Aerobic RespirationRead next34Anaerobic Respiration in MammalsRead next35Anaerobic Respiration in YeastRead next36Investigating Respiration in YeastRead next37Nervous System vs Hormonal CommunicationRead next38Structure and Function of the Central Nervous SystemRead next39Voluntary vs Reflex ActionsRead next40Pathway of a Reflex ArcRead next41Importance of HomeostasisRead next42Role of Hormones in Blood Glucose ControlRead next43Understanding Diabetes Types and SymptomsRead next44Structure of the Excretory SystemRead next45Role of the Kidney in OsmoregulationRead next46Role of ADH in Water BalanceRead next47Role of Auxins in PhototropismRead next48Mechanism of PhototropismRead next49Defining Biodiversity and Ecosystem TermsRead next50Measuring Abiotic and Biotic FactorsRead next51Using Quadrats in FieldworkRead next52Adaptations and Competition in EcosystemsRead next53Role of the Sun in Energy FlowRead next54Understanding Food Chains and WebsRead next55Role of Decomposers in EcosystemsRead next56Investigating Factors Affecting DecompositionRead next57Processes in the Carbon CycleRead next58Processes in the Nitrogen CycleRead next59Active Transport in Root Hair CellsRead next60Effects of Eutrophication on Aquatic SystemsRead next
Osmosis in Plant Cells
1Osmosis in Plant CellsRead next2Plasmolysis and TurgidityRead next3The Process of OsmosisRead next4Using a Potometer to Measure Water UptakeRead next5Factors Affecting TranspirationRead next6Uses of Water in PlantsRead next7Structure and Function of Blood ComponentsRead next8Effect of Water on Red Blood CellsRead next9Structure and Function of Blood VesselsRead next10Double Circulation in HumansRead next11Effects of Exercise on Pulse RateRead next12Examining the Structure of the HeartRead next13Male Reproductive SystemRead next14Female Reproductive SystemRead next15Sperm Formation and AdaptationsRead next16Fertilisation and Zygote DevelopmentRead next17Role of the Placenta in DiffusionRead next18Functions of Amnion and Amniotic FluidRead next19Sex Hormones and Secondary CharacteristicsRead next20Events of the Menstrual CycleRead next21Causes and Treatments for InfertilityRead next22Methods of Contraception and Ethical IssuesRead next23Structure of ChromosomesRead next24Genes and AllelesRead next25DNA Structure and Base PairingRead next26The Role of DNA in Protein FormationRead next27Mitosis and Cell CycleRead next28Meiosis and Genetic VariationRead next29Monohybrid Crosses and Punnett SquaresRead next30Sex Determination in HumansRead next31Inheritance of Genetic ConditionsRead next32Ethical Issues in Genetic ScreeningRead next33Genetic Engineering and Insulin ProductionRead next34Continuous and Discontinuous VariationRead next35Genetic and Environmental Basis of VariationRead next36Natural Selection and EvolutionRead next37Selective Breeding in Plants and AnimalsRead next38Definition of Health and DiseaseRead next39Costs of Disease to SocietyRead next40Types and Spread of Communicable DiseasesRead next41Aseptic Techniques in MicrobiologyRead next42Body Defence Mechanisms Against DiseaseRead next43Role of Antibiotics and SuperbugsRead next44Function and Benefits of VaccinationsRead next45Causes of Non-Communicable DiseasesRead next46Interactions Between Disease TypesRead next47Causes and Effects of Heart Attacks and StrokesRead next48Treatments for Cardiovascular DiseasesRead next49Cancer Types and Risk FactorsRead next
Structure of an Atom
1Structure of an AtomRead next2Relative Charges and Masses of Subatomic ParticlesRead next3Atomic Number and Mass NumberRead next4Neutrality of AtomsRead next5Calculating Subatomic Particles in Atoms and IonsRead next6Electronic Configurations for Atoms and IonsRead next7Definition and Identification of IsotopesRead next8Relative Atomic Mass CalculationRead next9Definition of a CompoundRead next10Formation of IonsRead next11Cations and AnionsRead next12Ionic Bonding with Dot and Cross DiagramsRead next13Properties of Ionic BondsRead next14Covalent Bonding with Dot and Cross DiagramsRead next15Single, Double, and Triple Covalent BondsRead next16Properties of Covalent BondsRead next17Definition of Molecules and Diatomic MoleculesRead next18Metallic BondingRead next19Giant Ionic Lattices and Their PropertiesRead next20Molecular Covalent Structures and Their PropertiesRead next21Van der Waals Forces in Covalent MoleculesRead next22Giant Covalent Structures: Diamond and GraphiteRead next23Metallic Structures and Their PropertiesRead next24Definition and Properties of AlloysRead next25Structure and Properties of GrapheneRead next26Definition of AllotropesRead next27Classification of StructuresRead next28Definition and Applications of NanoparticlesRead next29Risks and Benefits of Nanoparticles in Sun CreamsRead next30Chemical Symbols and Diatomic ElementsRead next31Interpreting Chemical FormulaeRead next32Writing Chemical FormulaeRead next33Constructing Word EquationsRead next34Balancing Symbol EquationsRead next35Writing Ionic and Half EquationsRead next36State Symbols in Chemical EquationsRead next37Mendeleev's Periodic Table vs Modern Periodic TableRead next38Groups and Periods in the Periodic TableRead next39Properties of Metals vs Non-MetalsRead next40States of Matter in the Periodic TableRead next41Electron Configuration and Chemical Properties in GroupsRead next42Group 1: Physical and Chemical PropertiesRead next43Reactivity Trends in Group 1Read next44Group 7: Physical and Chemical PropertiesRead next45Reactivity Trends in Group 7Read next46Testing for Chlorine GasRead next47Group 0: Properties and ReactivityRead next48Transition Metals and Their PropertiesRead next49Relative Formula Mass CalculationRead next50Moles and Reacting MassesRead next51Percentage Yield CalculationRead next52Acids, Bases, and pH ScaleRead next53Neutralisation and Ionic EquationRead next54Reactions of Acids with Metals, Bases, and CarbonatesRead next55Testing for Hydrogen and Carbon DioxideRead next56Definition and Formation of SaltsRead next57Colours of Salts and Transition Metal CompoundsRead next58Purity and Melting/Boiling PointsRead next59Separating Mixtures: TechniquesRead next60Paper Chromatography and Rf ValuesRead next61Flame Tests for Metal IonsRead next
Previews load for the first 60 in this unit.
The Reactivity Series of Metals
1The Reactivity Series of MetalsRead next2Reactions of Metals with WaterRead next3Reactions of Metals with AirRead next4Reactions of Metals with SteamRead next5Displacement Reactions of MetalsRead next6Predicting Reactivity Using Experimental DataRead next7Metal Extraction and Reactivity SeriesRead next8Oxidation and Reduction in Terms of OxygenRead next9Oxidation and Reduction in Terms of ElectronsRead next10Rusting as a Chemical ProcessRead next11Methods to Prevent RustingRead next12Sacrificial Protection of IronRead next13Extraction of Iron from HaematiteRead next14Uses of Iron in ConstructionRead next15Defining Rate of ReactionRead next16Measuring Rate of ReactionRead next17Factors Affecting Rate: TemperatureRead next18Factors Affecting Rate: ConcentrationRead next19Factors Affecting Rate: Particle SizeRead next20Effect of Surface Area on Reaction RateRead next21Catalysts and Their Role in ReactionsRead next22Activation Energy and CatalystsRead next23Dynamic Equilibrium in Chemical ReactionsRead next24Le Chatelier's PrincipleRead next25Factors Affecting Equilibrium PositionRead next26Temperature and EquilibriumRead next27Pressure and EquilibriumRead next28Concentration and EquilibriumRead next29Introduction to Organic ChemistryRead next30Hydrocarbons and Their TypesRead next31Alkanes: Structure and PropertiesRead next32Alkenes: Structure and PropertiesRead next33Reactions of AlkenesRead next34Cracking of HydrocarbonsRead next35Alcohols: Structure and PropertiesRead next36Reactions of AlcoholsRead next37Carboxylic Acids: Structure and PropertiesRead next38Reactions of Carboxylic AcidsRead next39Esters: Formation and UsesRead next40Polymerisation: Addition PolymersRead next41Polymerisation: Condensation PolymersRead next42Environmental Impact of PolymersRead next43Quantitative Chemistry in Organic ReactionsRead next44Calculating Moles in Organic CompoundsRead next45Energy Changes in Chemical ReactionsRead next46Exothermic and Endothermic ReactionsRead next47Bond Energy CalculationsRead next48Gas Chemistry: Properties of Common GasesRead next49Testing for Oxygen, Hydrogen, and Carbon DioxideRead next
Defining Speed and Velocity
1Defining Speed and VelocityRead next2Calculating Speed from Distance and TimeRead next3Understanding AccelerationRead next4Using the Acceleration FormulaRead next5Interpreting Velocity-Time GraphsRead next6Calculating Distance from Velocity-Time GraphsRead next7Understanding Forces and MotionRead next8Newton's First Law of MotionRead next9Newton's Second Law of MotionRead next10Newton's Third Law of MotionRead next11Calculating Force Using F=maRead next12Weight and Gravitational ForceRead next13Mass vs WeightRead next14Understanding Frictional ForcesRead next15Air Resistance and Terminal VelocityRead next16Balanced and Unbalanced ForcesRead next17Understanding Moments and LeversRead next18Calculating Moments Using the FormulaRead next19Centre of Gravity and StabilityRead next20Energy Transfers and ConservationRead next21Kinetic Energy and the FormulaRead next22Gravitational Potential Energy and the FormulaRead next23Work Done and Energy TransferRead next24Power and Energy Transfer RateRead next25Efficiency of Energy TransfersRead next26Understanding Elastic Potential EnergyRead next27Hooke's Law and ElasticityRead next28Density: Definition and FormulaRead next29Calculating Density of Regular ShapesRead next30Measuring Density of Irregular ShapesRead next31Pressure in Solids: Force and AreaRead next32Pressure in Liquids and GasesRead next33Hydraulic Systems and PressureRead next34Energy Transformation ExamplesRead next35Renewable vs Non-Renewable Energy SourcesRead next36Exam Trap: Misinterpreting Graph AxesRead next37Exam Trap: Units in CalculationsRead next38Exam Trap: Confusing Mass and WeightRead next
Kinetic Theory Overview
1Kinetic Theory OverviewRead next2States of Matter and Particle ArrangementRead next3Brownian MotionRead next4Diffusion in Gases and LiquidsRead next5Temperature and Kinetic EnergyRead next6Pressure in GasesRead next7Ideal Gas AssumptionsRead next8Radioactivity OverviewRead next9Structure of the AtomRead next10Isotopes and StabilityRead next11Alpha Radiation PropertiesRead next12Beta Radiation PropertiesRead next13Gamma Radiation PropertiesRead next14Detecting Radiation with a Geiger-Müller TubeRead next15Half-Life ConceptRead next16Calculating Half-Life from DataRead next17Uses of Radioactive Isotopes in MedicineRead next18Uses of Radioactive Isotopes in IndustryRead next19Nuclear Decay EquationsRead next20Dangers of Radiation ExposureRead next21Nuclear Fission OverviewRead next22Chain Reactions in FissionRead next23Energy Release in FissionRead next24Applications of Nuclear Fission in Power PlantsRead next25Nuclear Fusion OverviewRead next26Conditions for Nuclear FusionRead next27Energy Release in FusionRead next28Comparison of Fission and FusionRead next29Environmental Impact of Nuclear EnergyRead next30Radioactive Waste ManagementRead next31Worked Example: Calculating Pressure Changes in GasesRead next32Worked Example: Calculating Energy in Fusion ReactionsRead next33Common Exam Trap: Misinterpretation of Half-Life DataRead next34Common Exam Trap: Confusing Fission and Fusion ProcessesRead next
Wave Types and Classifications
1Wave Types and ClassificationsRead next2Transverse Waves ExplainedRead next3Longitudinal Waves ExplainedRead next4Wave Properties: AmplitudeRead next5Wave Properties: FrequencyRead next6Wave Properties: WavelengthRead next7Wave Properties: SpeedRead next8The Wave EquationRead next9Using the Wave EquationRead next10Reflection of WavesRead next11Refraction of WavesRead next12Diffraction of WavesRead next13Interference of WavesRead next14Electromagnetic Spectrum OverviewRead next15Properties of Electromagnetic WavesRead next16Uses of Electromagnetic WavesRead next17Dangers of Electromagnetic WavesRead next18Reflection of Light: LawsRead next19Plane Mirrors and Image FormationRead next20Refraction of Light: LawsRead next21Refractive Index ExplainedRead next22Snell's Law FormulaRead next23Using Snell's LawRead next24Total Internal ReflectionRead next25Critical Angle and ApplicationsRead next26Dispersion of LightRead next27Formation of RainbowsRead next28Sound Waves: PropertiesRead next29Sound Waves: Longitudinal NatureRead next30Speed of Sound in Different MediumsRead next31Pitch and Frequency RelationshipRead next32Loudness and Amplitude RelationshipRead next33Echoes and Their ApplicationsRead next34Ultrasound: Principles and UsesRead next35Hearing Range in Humans and AnimalsRead next36Prescribed Practical: Investigating ReflectionRead next37Prescribed Practical: Investigating RefractionRead next38Prescribed Practical: Investigating Sound WavesRead next39Prescribed Practical: Measuring Wave SpeedRead next40Common Exam Mistakes in Wave CalculationsRead next41Interpreting Wave DiagramsRead next42Exam Techniques for Light and Sound QuestionsRead next
Electric Current and Charge
1Electric Current and ChargeRead next2Definition of Electric CurrentRead next3Relationship Between Charge, Current, and TimeRead next4Measuring Current in a CircuitRead next5Voltage and Potential DifferenceRead next6Definition of VoltageRead next7Energy Transfer in CircuitsRead next8Resistance and Ohm's LawRead next9Definition of ResistanceRead next10Ohm's Law Formula and ApplicationRead next11Factors Affecting ResistanceRead next12Resistors in SeriesRead next13Resistors in ParallelRead next14Power in Electrical CircuitsRead next15Calculating Power Using P=IVRead next16Energy Transfer Using E=PtRead next17Electrical Safety DevicesRead next18Fuses and Circuit BreakersRead next19Earth Wire and InsulationRead next20Magnetism BasicsRead next21Properties of MagnetsRead next22Magnetic Fields Around MagnetsRead next23Electromagnetism PrinciplesRead next24Magnetic Fields Around Current-Carrying WiresRead next25Right-Hand Rule for Magnetic FieldsRead next26Factors Affecting Electromagnetic StrengthRead next27Applications of ElectromagnetsRead next28The Motor EffectRead next29Force on Current-Carrying Wire in Magnetic FieldRead next30Fleming's Left-Hand RuleRead next31Electric Motors and Their FunctioningRead next32Electromagnetic InductionRead next33Induced Voltage in Moving ConductorsRead next34Applications of Electromagnetic InductionRead next35Transformers and Their UsesRead next36Step-Up and Step-Down TransformersRead next37Efficiency of TransformersRead next38Alternating Current and Direct CurrentRead next39Characteristics of AC and DCRead next40Advantages of AC for Power DistributionRead next41Practical Investigations in CircuitsRead next42Measuring Resistance Using Ohm's LawRead next43Investigating Series and Parallel CircuitsRead next44Magnetic Field Patterns Around WiresRead next45Building and Testing ElectromagnetsRead next46Examining Motor Effect Using Current and MagnetsRead next47Common Exam Mistakes in Electricity TopicsRead next48Common Exam Mistakes in Magnetism TopicsRead next
The Solar System Overview
1The Solar System OverviewRead next2Planets in the Solar SystemRead next3Moons and SatellitesRead next4Asteroids and CometsRead next5The Sun's Structure and EnergyRead next6The Life Cycle of StarsRead next7Nebulae and Star FormationRead next8Main Sequence StarsRead next9Red Giants and SupergiantsRead next10White Dwarfs and Black DwarfsRead next11Supernovae and Neutron StarsRead next12Black Holes FormationRead next13Galaxies: Types and FeaturesRead next14The Milky Way GalaxyRead next15The Big Bang TheoryRead next16Evidence for the Big BangRead next17Redshift and Expanding UniverseRead next18Cosmic Microwave Background RadiationRead next19Dark Matter and Dark EnergyRead next20Gravitational Forces in SpaceRead next21Orbits and Kepler's LawsRead next22The Role of Gravity in Star FormationRead next23Light Years and Distance MeasurementRead next24The Electromagnetic Spectrum in SpaceRead next25Telescopes and Space ObservationRead next26Space Exploration TechnologiesRead next27Artificial Satellites and Their UsesRead next28Space Probes and Their MissionsRead next29The International Space StationRead next30The Future of Space ExplorationRead next31Examining ExoplanetsRead next32Habitability in SpaceRead next33The Search for Extraterrestrial LifeRead next34The Role of Space AgenciesRead next35Climate Effects of Solar ActivityRead next36The Earth's Magnetic Field and Solar WindRead next37Auroras and Their CausesRead next38Space Physics and Practical ApplicationsRead next39Common Exam Traps in Space PhysicsRead next
Understanding Scientific Variables
1Understanding Scientific VariablesRead next2Independent, Dependent, and Control VariablesRead next3Formulating a HypothesisRead next4Planning an ExperimentRead next5Risk Assessment in ExperimentsRead next6Selecting Appropriate EquipmentRead next7Using Measuring Instruments AccuratelyRead next8Recording Observations and MeasurementsRead next9Using Tables to Record DataRead next10Creating Graphs from Experimental DataRead next11Interpreting Graphs and TrendsRead next12Identifying Patterns in DataRead next13Calculating Averages and AnomaliesRead next14Understanding Precision and AccuracyRead next15Evaluating Experimental ResultsRead next16Drawing Conclusions from DataRead next17Understanding Sources of ErrorRead next18Improving Experimental MethodsRead next19Writing a Scientific ReportRead next20Using Appropriate Scientific TerminologyRead next21Understanding Units of MeasurementRead next22Converting Between UnitsRead next23Using Significant FiguresRead next24Understanding the Importance of RepeatabilityRead next25Using Controls in Biological ExperimentsRead next26Conducting Chemistry Titrations SafelyRead next27Measuring Rates of Reaction in ChemistryRead next28Investigating Physics Motion ExperimentsRead next29Using Light Microscopes in BiologyRead next30Testing for Starch in BiologyRead next31Investigating Photosynthesis ExperimentallyRead next32Investigating Respiration in YeastRead next33Measuring pH in Chemistry ExperimentsRead next34Testing for Gases in ChemistryRead next35Using a Potometer to Measure Water LossRead next36Investigating Heat Energy in PhysicsRead next37Using Quadrats in FieldworkRead next38Investigating Effects of Temperature on EnzymesRead next39Separating Mixtures in ChemistryRead next40Using Chromatography for SeparationRead next41Using Flame Tests for Metal IdentificationRead next42Understanding Calibration CurvesRead next43Evaluating Experimental LimitationsRead next44Understanding Ethical Considerations in ExperimentsRead next45Using Scientific Models to Predict OutcomesRead next46Understanding the Role of Peer Review in ScienceRead next47Applying Mathematical Skills in ExperimentsRead next48Designing Experiments for Controlled TestingRead next49Understanding the Role of Placebos in Biological StudiesRead next