Year 9

Year 9 Science

Browse checked Science videos, lessons, worksheets and practice for Year 9, organised by topic with clear source and content notes.

Print the Year 9 Science checklist to keep the full topic list visible and tick off each area as it is covered.

• Relationships In An Ecosystemdecay pollution and biodiversity in ecosystems
• Photosynthesishow photosynthesis works
• Nutrition And Digestionhow plants make food and healthy diet
• Nutrition And Digestion: Plantshow fertilisers help plants grow
• Formulae And Equationsword and symbol equations for chemical reactions
• Reactions Of Acids With Alkalisacids reacting with alkalis
• Reactions Of Acids With Metalsacids reacting with metals
• Types Of Chemical Reactionstypes of chemical reactions like oxidation and displacement
• Carbon in the Reactivity Seriesreactivity series of metals
• Properties Of Metalsproperties of metals
• Describing Motioncalculating speed
• Motion And Forcesnewton's laws of motion
• Forcesgravity weight and hooke's law
• Our Sun As A Star Other Stars And Galaxiesthe Sun as a star and other stars galaxies and the universe
• Scientific Attitudesevaluating a science investigation
• Science investigation skills: plan, evaluate, improveplanning a science investigation hypothesis and method
• Analysis And Evaluationdrawing conclusions from science results
• Measurementmeasuring accurately in science experiments
• Cells And Organisationunicellular organisms and diffusion
• Skeletal And Muscular Systemsjoints bones and muscles as levers
• Gas Exchange Systems Breathinggas exchange and breathing
• Reproductionplant reproduction and seed dispersal
• Healtheffects of drugs alcohol and smoking on the body
• Energy efficiency, power and costcalculating energy cost and power
• Changes In Systemskinetic and gravitational potential energy calculations
• Pressure In Fluidspressure in liquids and upthrust
• Balanced Forcesnewton's second and third laws
• Observed Waveswave properties amplitude frequency and wavelength
• Sound Waveshow sound waves and the ear work
• Energy Waveselectromagnetic spectrum and ultrasound uses
• Light Waveshow light waves and lenses work
• Density, Pressure and the Particle Modelparticle arrangement in solids liquids and gases
• Changes Of State: Particle Modelparticle model of changes of state
• Simple Atomic Modelatoms and subatomic particles
• Atoms Elements And Compoundsdifference between atoms elements and compounds
• Chemical Symbols And Formulaechemical formulae and naming compounds
• Conservation of mass calculations: Year 9 GCSE bridgeconservation of mass in chemical reactions
• Concept Of A Pure Substanceidentifying pure substances by melting and boiling point
• Mixtures Including Dissolvingsolubility and dissolving mixtures
• Diffusion: Particle Modeldiffusion and osmosis explained
• Separating Mixturesseparating mixtures distillation and chromatography
• Identifying Pure Substancesidentifying pure substances from melting and boiling points
• Acids And Alkalis: Neutralisation Reactionsneutralisation reactions
• Catalystshow catalysts speed up reactions
• Exothermic And Endothermic Reactionsexothermic and endothermic reactions
• pH: Metal And Non-Metal Oxidesreactions of metal oxides with acids
• Ceramics Polymers And Compositesproperties of ceramics polymers and composites
• Human Activity And Climatehuman causes of climate change and acid rain