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.

Relationships In An Ecosystemfood chains and 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
Metals And 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 stars and galaxies
Scientific Attitudesevaluating a science investigation
Experimental Skills And Investigationsplanning 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 Changes And Transferscalculating 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
Properties Of Solids Liquids And Gasesparticle 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 Massconservation 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
Metals And Carbon In Reactivity Seriesreactivity series and extracting metals
Ceramics Polymers And Compositesproperties of ceramics polymers and composites
Human Activity And Climatehuman causes of climate change and acid rain
Back To Schoolback to school science recap
Core Subjectsenglish maths and science combined assessment
End Of Term 2end of term 2 science recap
End Of Term 3end of term 3 science recap
End Of Term 1end of term 1 science recap
Topicsyear 9 science topics overview