Key Stage 3

Year 7

Intent

Building on their KS2 knowledge, students will develop a deeper understanding of fundamental concepts across the three disciplines to build a strong core knowledge base. We start ‘big’ with the universe and ecosystems, moving through to the ‘small’ of particles and cells. A gateway of more relatable core knowledge such as organism adaptations and domestic use of fuels opens up a journey toward more conceptual content, including forces and electricity. Leaners are encouraged to challenge and question scientific ideas and core knowledge through investigative skills.

Learning Journey

Core Knowledge

Space

  • The Universe
  • Big Bang Theory
  • The Solar System
  • Earth and Moon
  • Earth and Sun

Adaptations and Interdependence

  • Ecosystems
  • Food chains and food webs
  • Interdependence
  • Bioaccumulation
  • Sampling techniques
  • Biodiversity

Energy 1 – leading to Energy 2 (Yr8) and 3 (Yr 9)

  • Energy and power ratings in food and fuel.
  • Energy calculation of fuel uses
  • Costs in the domestic context
  • Identifying energy resources
Enriched Knowledge

Everyday energy: The cost of living crisis

Interdependence: Sustainable living and threats to biodiversity

Key Vocabulary

Space: Gravity, stars, day, night, season, axis, galaxy

Energy 1: Coal, oil, gas, nuclear, wind, solar, geothermal, wave, tidal

Working Scientifically: Apparatus, variables, independent, dependent, control, conclude, evaluate.

Adaptations and Interdependence: Predators, prey, decomposers, consumers, herbivore, omnivore, carnivore, adaptations

Core Knowledge

Particles – leading into atoms 1 and 2

  • Particle theory
  • States of matter
  • Changes of state
  • Metals and non-metals

Movement

  • The Skeletal System
  • Antagonistic muscles

Forces 1 – leading to Forces 2 (Yr8) and 3 (Yr 9)

  • Describing forces
  • Balanced and unbalanced forces
  • Friction
  • Moments
  • Hookes law
  • Pressure
Enriched Knowledge

Movement: How prosthetics and biomechanics give people back the life they deserve

Key Vocabulary

Forces 1: Push, pull, twist, direction, size, friction, air resistance, water resistance, tension, magnetic, weight, electrostatic

Particles: Solids, liquids, gases evaporate, condense, freeze, melt, elements, compounds, mixtures, periods, groups, density.

Movement: Antagonistic muscles, biceps, triceps, biomechanics

 

Core Knowledge

Cells 1 – leading to digestion and breathing (Year 8)

  • Features of living things
  • Cells – Tissues - Organs and organ systems
  • Prokaryotic and Eukaryotic cells
  • Diffusion

Separation

  • Pure elements, mixtures, solutions
  • Dissolving
  • Filtration
  • Chromatography
  • Simple Distillation

Electricity and Magnetisms 1 – leading to Electricity 2 (Yr 9)

  • Simple circuits
  • Electric current
  • Potential difference
  • Resistance

Reproduction

  • Puberty
  • Sexual Reproduction in humans
  • Sexual and Asexual reproduction in plants
  • Contraception
Enriched Knowledge

Cells: Why the Covid-19 virus is not living

Reproduction: Linked careers such as midwives and sonographers

Separation: The use of chromatography in crime scenes and drug testing.   

Key Vocabulary

Cells 1: unicellular, organ system, organ, tissue, multicellular, nucleus, cell wall, cell membrane, vacuole

Electricity: Series, parallel, resistance, current, potential difference, voltage, static electricity

Reproduction: growth, reproduction, excretion, nutrition, fertilisation, embryo, gestation, menstrual cycle, gamete, stigma, style, anther

Separation: Pure, element, compound, mixture, solutions, solute, solvent, dissolving, soluble, insoluble, filtration, evaporation, distillation, chromatography.

 

Year 8

Intent

Students extend their core knowledge and begin to make links and connections across the units taught when exploring key scientific themes and issues. This results in a deeper understanding of the natural world as students become increasingly confident in their explanations and critical thinking.

Learning Journey

Core Knowledge

Digestion – linked to Cells (Yr 7)

  • Organs of the Digestive System
  • Enzymes as biological catalysts
  • Digestive Enzymes

Earth

  • Earth structure
  • The Rock Cycle
  • Sedimentary, Igneous and Metamorphic rocks
  • Weathering and erosion

Energy 2 – linked to Energy (Yr 7)

  • Energy Stores
  • Energy Transfer
  • Conduction
  • Convection
  • Radiation
Key Vocabulary

Energy 2: Thermal, chemical, kinetic, gravitational potential, elastic potential, electrical, magnetic, radiation, conduction, convection, insulators

Earth: Sedimentary, metamorphic, igneous, rocks, tectonic plates, weathering, erosion.

Cells 2 (Digestion): oesophagus, stomach, intestines, proteins, carbohydrates, lipids, amylase, protease, lipase, glucose, starch, amino acids, fatty acids, reaction rate, enzymes.

Core Knowledge

Atoms- leading into Chemical change (Yr 8) and Atomic structure (Yr9)

  • Atomic Structure
  • Mendeleev’s periodic table   
  • Modern periodic Table

Breathing – linked to Cells (Yr 7) and Respiration (Yr8)

  • Breathing system
  • Inhalation and exhalation
  • Breathing rate and exercise
  • Lung volume
  • Smoking – built further in Health unit in Yr9

Forces 2 – linked to Forces 1 (Yr 7)

  • Speed
  • Motion graphs
  • Changing Motion and acceleration
  • Drag
Enriched Knowledge

Breathing – Current research on the impact of vaping

Key Vocabulary

Forces 2: Resultant, balanced, unbalanced, vector, magnitude, scalar, speed, distance, time, acceleration, velocity

Atoms 1: Elements, groups, periods, metals, non-metals, group 1, group 7, trends, reactivity.

Breathing: Lungs, alveoli, oxygen, carbon dioxide, gas exchange, Trachea, diaphragm, rib, bronchus, alveoli, intercostal muscles, bronchiole, spirometer, breathing rate, aerobic, anaerobic, lactic acid, oxygen debt

 

Core Knowledge

Chemical changes

  • Physical and chemical changes
  • Formation of new substances
  • Rearrangement of atoms
  • Representing reactions
  • Conservation of mass

Respiration – linked to Breathing (Yr 8)

  • Aerobic respiration
  • Anaerobic respiration
  • Fermentation

Photosynthesis

  • Leaf adaptations
  • Cellular adaptations – chloroplasts and chlorophyll
  • Plant species distribution

Waves 1 – leading to Waves 2 (Yr 9)

  • Types of waves
  • Waves carry energy
  • Production and transmission of sound
  • How sound is detected
Enriched Knowledge

Photosynthesis – impact of deforestation on climate

Key Vocabulary

Waves 1: Frequency, echo, reflection, absorption, speed, vibrations, ear drum, longitudinal

Atoms 2 and Chemical changes: Chemical, physical, change, oxidation, combustion, energy, exothermic, endothermic, thermal decomposition, reactivity, carbon, reactants, products.

Respiration: aerobic, glucose, energy, oxygen, mitochondria, lactic acid, ethanol

Photosynthesis: light energy, chlorophyll, surface area

Year 9

Intent

Building on the knowledge secured in Year 7 and 8, students examine critical challenges facing our planet. Learners will apply their core and enriched knowledge to connect scientific ideas and concepts from all aspects of science and are empowered to suggest changes that will best support future generations.

Learning Journey

Core Knowledge

Acids and alkalis

  • pH scale
  • Use of Indicators
  • Neutralisation
  • Acid rain

Waves 2

  • Light waves
  • Reflection
  • Refraction
  • Dispersion

Forces 3

  • Mass and weight
  • Pressure
  • Levers and moments
  • Gears

Inheritance

  • Variation
  • Environmental and inherited characteristics
  • DNA
  • Natural selection and Evolution
  • Classification system
Enriched Knowledge

Acids and Alkalis: Rise in acids attacks in India

Inheritance: Evolution vs creationist beliefs

Key Vocabulary

Waves 2: Transverse, reflected, absorption, diffuse, mirrors, refraction.

Forces 3: mass, weight, pressure, area, depth, molecules, atmospheric pressure, pascal (Pa), density, buoyancy, upthrust, displaced, lever,

Inheritance: DNA; genes; alleles; heredity; variation; adaptation; biodiversity; Kingdom; Phylum; Order; Class; Family; Genus; Species; classification.

Acids and alkalis: Acid, alkali, corrosive, neutralisation, universal indicator, reactions, reactivity, pH, salts.

 

Core Knowledge

Atmosphere – link to Earth (Yr7)

  • Composition of atmosphere
  • Greenhouse effect
  • Combustion of fossil fuels
  • Climate change
  • Recycling

Electricity and magnetism 2

  • Magnetic materials
  • Magnetic fields
  • Electromagnets
  • Motors and generators
  • Static electricity

Health – linked to Breathing Yr8

  • Communicable diseases
  • Pathogens
  • Non-communicable diseases
  • Balanced diet
  • Impact of poor nutrition
  • Effects of smoking / alcohol and drugs
Enriched Knowledge

Atmosphere: Current proposed solutions to climate change and what we can do to reduce our carbon footprint.

Health: Cultural diets and how they provide a balanced diet.

Key Vocabulary

Electricity 2: Series, parallel, resistance, current, potential difference, voltage, static electricity

Atmosphere: Composition, atmosphere, greenhouse gases, fossil fuel, combustion, pollutants, climate change, recycling, carbon.

Health: pathogens, bacteria, viruses, BMI, BMR, Anaemia, scurvy, rickets, kwashiorkor, night blindness, energy, malnourishment

 

Core Knowledge

Atomic structure – linked to atoms (Yr 7)

  • Subatomic particles – mass and charge
  • Atomic number and atomic mass
  • Electronic configuration
  • Isotopes
  • Trends in group 1 and group 7

Cell Biology  - Linked to Cells (Yr 7)

  • Structure and function of eukaryotic and prokaryotic cells
  • Microscopy

Energy 3

  • Energy changes in a system
  • Calculating energy transfers
  • Global and national energy resources
  • Environmental impact
Key Vocabulary

Energy 3: Coal, oil, gas, nuclear, wind, solar, geothermal, wave, tidal, thermal, chemical, kinetic, gravitational potential, elastic potential, electrical, magnetic

Atoms 3: Atom, element, proton, electron, neutron, trends, reactivity, displacement, isotopes.

Cells 3:  eukaryotic, prokaryotic, unicellular, organ system, organ, tissue, multicellular, nucleus, cell wall, cell membrane, vacuole

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