Year 10 / 11 Science
Full teaching content for GCSE Science – Biology, Chemistry and Physics – aligned to WJEC / Made-for-Wales qualifications. Explanations, examples and practice questions in both languages.
The three branches
Biology
Living things – cells, organisation, processes for life, interdependence.
Chemistry
Matter – atoms, reactions, rates, and how substances behave.
Physics
Forces and energy – motion, energy stores, electricity and waves.
Lessons
Each lesson includes clear explanations, examples and practice questions.
Cells & Organisation
Animal and plant cells, key organelles, specialised cells and how cells form tissues, organs and systems.
Photosynthesis & Respiration
Word and symbol equations, limiting factors for photosynthesis, aerobic and anaerobic respiration.
Atomic Structure & the Periodic Table
Structure of the atom, atomic number, mass number, electron shells and groups/periods in the periodic table.
Chemical Reactions & Rates
Types of reaction, balancing ideas, factors affecting rate and catalysts.
Energy Stores & Transfers
Energy stores, pathways for transfer, conservation of energy and calculating efficiency.
Forces & Motion
Contact and non-contact forces, speed, acceleration, weight vs mass, and resultant force.
Inheritance & Genetics
DNA, genes and chromosomes, dominant and recessive alleles, genetic diagrams and variation.
Ecosystems & Interdependence
Food chains and webs, producers and consumers, biodiversity and how humans affect ecosystems.
Acids, Alkalis & Salts
The pH scale, acids and alkalis, indicators, neutralisation and making salts.
Ionic & Covalent Bonding
How ionic and covalent bonds form, and the properties of simple ionic and covalent substances.
Electricity – Current, Voltage & Circuits
Current, potential difference, resistance, Ohm’s law, series and parallel circuits.
Waves – Properties & the EM Spectrum
Transverse and longitudinal waves, wave equation, electromagnetic spectrum and uses/dangers.
Enzymes & Digestion
How enzymes work, factors affecting enzyme activity, and the main digestive enzymes and organs.
Circulation & the Heart
Structure of the heart, blood vessels, components of blood and the double circulatory system.
Metals & the Reactivity Series
The reactivity series, displacement reactions, extraction of metals and preventing corrosion.
Electrolysis
Breaking down ionic compounds using electricity, electrode products, and aluminium extraction.
Magnetism & Electromagnetism
Magnetic fields, electromagnets, the motor effect and electromagnetic induction basics.
Radioactivity
Types of radiation, half-life, contamination vs irradiation, uses and safety.
Homeostasis & Hormones
Keeping internal conditions constant, blood glucose control, insulin and glucagon, and negative feedback.
Pathogens & Immunity
Types of pathogen, how disease spreads, immune response, vaccination and antibiotics.
Organic Chemistry – Hydrocarbons
Alkanes and alkenes, homologous series, combustion and cracking of crude oil fractions.
Atmosphere & Climate
Composition of the atmosphere, greenhouse effect, human impact and common air pollutants.
Density & Pressure
Calculating density and pressure, floating and sinking, and pressure in liquids.
Space Physics
The solar system, gravity and orbits, life cycle of stars, and evidence for an expanding universe.
The Nervous System
How the nervous system detects stimuli and coordinates responses, including reflex arcs and synapses.
Plant Transport & Transpiration
How water, minerals and sugars move through plants; transpiration and factors that affect its rate.
Evolution & Natural Selection
Darwin’s theory of natural selection, adaptation, speciation and evidence for evolution.
Quantitative Chemistry – Moles & Concentration
Relative formula mass, the mole, calculating reacting masses and solution concentration.
Polymers
How addition polymers form from alkenes, representing polymers, properties and environmental issues.
Specific Heat Capacity & Latent Heat
Calculating energy changes using specific heat capacity and latent heat; linking to insulation.
Hooke’s Law & Springs
Extension of springs, Hooke’s law, spring constant and elastic potential energy.
Energy Resources
Renewable and non-renewable energy resources, advantages and disadvantages, and environmental impact.
Full Year 10/11 Science coverage for Biology, Chemistry and Physics – aligned to WJEC / Made-for-Wales GCSEs, with examples and practice in both languages.
Maths →← Progression Step 5