KS3 Science (Yr 7)

Curriculum Overview

Point in Year

Unit of Work Title

Starting Point

Curriculum Content

Core Knowledge

Curriculum Content

Core Skills

Mid-term and Final  Assessments

Autumn Term 1






7A  Cells, Tissues, Organs and Systems











7G  The Particle Model






Recap the organs in the human body from KS2










Recap various materials from KS2

Introduction Unit





7Aa     Life Processes

7Ab     Organs (the structural adaptations of some unicellular organisms)

7Ac      Tissues (the hierarchical organisation of multicellular organisms: from cells to tissues to organs to systems to organisms.)

7Ac2    Microscopes (cells as the fundamental unit of living organisms, including how to observe, interpret and record cell structure using a light microscope)

7Ad     Cells (the functions of the cell wall, cell membrane, cytoplasm, nucleus, vacuole, mitochondria and chloroplasts and the similarities and differences between plant and animal cells)

7Ga/b   Solid, Liquid and Gas ( changes of state in terms of the particle model /  the properties of the different states of matter (solid, liquid and gas) in terms of the particle model, including gas pressure / conservation of material and of mass, and reversibility, in melting, freezing, evaporation, sublimation, condensation, dissolving)


7Gc       Brownian Motion (Brownian motion in gases)


7Gd       Diffusion (diffusion in liquids and gases driven by differences in concentration)


7Ge       Air Pressure

Health and Safety in the laboratory.

Using Bunsen Burners.

Scientific Apparatus – Drawings and Use


Core Practical (to be assessed in exam paper) Using Microscopes











Core Practical: Heating curve of ice





Demo: Pollen cells under a microscope

Demo: Potassium Permanganate in water

Demo: Collapsing can experiment

Using models to represent scientific ideas

Evaluate the models






Extended Writing Task (Microscopes)

Mini Assessment (F)

Mini Assessment (H)








Extended Writing Task (Explain in detail why the properties of water are different in its three states. (6 marks)

Mini Assessment (F)

Mini Assessment (H)

Autumn Term 2

7I   Energy








7B Sexual Reproduction in Animals

Recap the various types of Energy from KS2






Recap Body Organs from KS2

7Ia   Energy from food (calculations of energy requirements in a healthy daily diet and comparing energy values of different foods (from labels) (kJ) )

7Ib   Energy Transfers and stores

 7Ic   Fuels (other processes that involve energy transfer: metabolism of food, burning fuels).

7Id Other Energy Sources (fuels and energy resources.)

7Ba  Animal sexual reproduction (reproduction in humans (as an example of a mammal),  

7Bb  Reproductive Organs (the structure and function of the male and female reproductive systems)

7Bc   Becoming Pregnant (gametes, fertilisation, gestation)

7Bd   Birth (and birth, to include the effect of maternal lifestyle on the foetus through the placenta)

7Be   Menstrual Cycle (Puberty and menstrual cycle (without details of hormones))

Core Practical: Investigate the energy content of food


Main Practical: Investigation to find out the best fuel.

Numerical skills: Calculate energy transfers


Recall Scientific Content

Extended Writing Task (method of Investigating the energy Content in Food)

Mini Assessment (F)

Mini Assessment (H)


Extended Writing Task:  (Journey of a sperm cell)

Mini Assessment (F)

Mini Assessment (H)

Spring Term 1

7E  Mixtures and Separation










7J  Current Electricity

Different types of Materials from KS2









Understand basic circuit diagrams, setting up circuits, from KS2

7Ea   Mixtures (the concept of a pure substance and the identification of pure substances)

7Eb    Solutions (and mixtures, including dissolving and conservation of mass changes of state and chemical reactions.)

7Ec   Safety when Heating (simple techniques for separating mixtures:  evaporation)

7Ed   Chromatography (simple techniques for separating mixtures: filtration, evaporation, distillation and chromatography)

7Ee Distillation (simple techniques for separating mixtures:  distillation)

7Ja    Current (electric current, measured in amperes, in circuits, series and parallel circuits, currents add where branches meet and current as flow of charge)

7Jb    Models for Circuits

7Jc   Series and Parallel (electric current, measured in amperes, in circuits, series and parallel circuits, currents add where branches meet and current as flow of charge)

7Jd   Voltage and Resistance (potential difference, measured in volts, battery and bulb ratings; resistance, measured in ohms, as the ratio of potential difference (p.d.) to current)

7Je   Using Electricity (separation of positive or negative charges when objects are rubbed together: transfer of electrons, forces between charged objects)

Core Practical: Separation of Sand from Salt

Core Practical: Dissolving solutes to show conservation of mass

Core Practical:  Evaporation of water to produce salt

Core Practical: Chromatography

Core Practical: Simple Distillation of Inks


Practical: Making simple electric circuits

Skill: Represent circuits as diagrams

Core Practical: Investigation into brightness of a bulb in a series/parallel circuit.

Core Practical: Investigating the effect of resistor on brightness of a bulb.


Core Practical: Wiring a plug

Extended Writing Task: Distillation of ink

 Mini Assessment (F)

 Mini Assessment (H)






Extended Writing Task: Similarities and differences in a series and parallel circuit.

Mini Assessment (F)

Mini Assessment (H)

Spring Term 2

7C Muscles and Bones














7H Atoms, Elements and Molecules

Structure of the Human body from KS2








Identifying the various materials eg metals and non-metals

7Cc   The Skeleton (the structure and functions of the human skeleton, to include support, protection, movement and making blood cells)

7Cd  Muscles and Moving (the function of muscles and examples of antagonistic muscles and biomechanics – the interaction between skeleton and muscles, including the measurement of force exerted by different muscles)

7Ce   Drugs (the effects of recreational drugs (including substance misuse) on behaviour, health and life processes.)

7Ha   The Air we Breathe (the composition of the atmosphere)

7Hb  Earth’s Elements (the composition of the Earth / the structure of the Earth / Earth as a source of limited resources and the efficacy of recycling)

7Hc  Metals and Non-metals (the properties of metals and non-metals)

7Hd   Making Compounds

7He   Chemical Reactions (chemical reactions as the rearrangement of atoms)

Demo: Bell Jar to demonstrate lung volume


Demo: Dissection of a heart










Core Practical: Investigation into the properties of metal / non-metal

Demo: Iron and Sulphur reaction

Core Practical: Thermal Decomposition of copper carbonate

Numerical skills: Representing information in tables and graphs, derive simple equations and carry out appropriate calculations

Extended Writing Task: Explain using specific examples how the skeleton provides the body with physical protection and protection against infection. (6 marks)


Mini Assessment (F)

Mini Assessment (H)


Extended Writing Task : Write up a method for thermal decomposition of copper carbonate


Mini Assessment (F)

Mini Assessment (H)

Summer Term 1

7K Forces
















7D Ecosystems

Different types of forces from KS2














Exploring Different Habitats

7Ka  Forces (forces as pushes or pulls, arising from the interaction between two objects and forces measured in newtons, measurements of stretch or compression as force is changed)

7Kb   Springs (forces: associated with deforming objects; stretching and squashing – springs; with rubbing and friction between surfaces, with pushing things out of the way; resistance to motion of air and water and force-extension linear relation; Hooke’s Law as a special case )

7Kc   Friction (forces: associated with deforming objects; stretching and squashing – springs; with rubbing and friction between surfaces, with pushing things out of the way; resistance to motion of air and water)

7Kd   Pressure (pressure measured by ratio of force over area – acting normal to any surface)

7Ke   Balanced and Unbalanced (using force arrows in diagrams, adding forces in one dimension, balanced and unbalanced forces)

7Da   Variation (the variation between individuals within a species being continuous or discontinuous, to include measurement and graphical representation of variation)

7Db   Adaptations (the variation between species and between individuals of the same species means some organisms compete more successfully, which can drive natural selection)

7Dc   Effects of the Environment (changes in the environment may leave individuals within a species, and some entire species, less well adapted to compete successfully and reproduce, which in turn may lead to extinction and how organisms affect, and are affected by, their environment, including the accumulation of toxic materials)

7Dd   Transfers in Food Chain (the interdependence of organisms in an ecosystem, including food webs)

Core Practical: Investigation the extension of a spring (Interpret observations and data, including identifying patterns and using observations, measurements and data to draw conclusions)







Numerical skills:

Draw and interpret graphs and tables

Use the correct SI units


Core Practical: Fieldwork- Sampling quadrats, transects

Extended Writing Task:  An organiser of a bungee jumping competition changes the length of the bungee rope so different people can use the rope safely. Use your idea of forces to describe how the size of a person affects the rope when they jump.

Mini Assessment (F)

Mini Assessment (H)




Extended Writing Task: Scientific article in the adaptation of an animal in its habitat.

Mini Assessment (F)

Mini Assessment (H)

Summer Term 2

7F Acids and Alkalis








7L Sound

Exploring the acidity or alkalinity of different household substances






Sources of Sound from KS2

7Fb   Indicators (the pH scale for measuring acidity/alkalinity; and indicators)

7Fc   Acidity and Alkalinity (the pH scale for measuring acidity/alkalinity; and indicators)

7Fd   Neutralisation (defining acids and alkalis in terms of neutralisation reactions)

7Fe   Neutralisation in daily life




7Lb   Moving Sounds (frequencies of sound waves, measured in hertz (Hz); echoes, reflection and absorption of sound and sound needs a medium to travel, the speed of sound in air, in water, in solids)

7Lc   Detecting Sounds (sound produced by vibrations of objects, in loud speakers, detected by their effects on microphone diaphragm and the ear drum; sound waves are longitudinal)

7Ld   Using Sounds (pressure waves transferring energy; use for cleaning and physiotherapy by ultra-sound; waves transferring information for conversion to electrical signals by microphone)

7Le   Comparing waves

Core Practical: Making indicator using red cabbage

Core Practical: Investigating in a substance is an acid or alkali using universal indicator

Core Practical: Neutralisation  – Formation of sodium chloride


Skills: Selecting appropriate equipment and apparatus

Demo: Tuning Fork


Demo: Loudspeaker connected to an oscilloscope


Demo: Model of an ear

Extended Writing Task:  Describe and explain the stages in making copper sulphate crystals from a base and acid. (6 marks)


Mini Assessment (F)

Mini Assessment (H)

Extended Writing Task: Compare the time it takes light to travel around the world with the time it takes sound to travel the same distance. The distance around the equator is about 40000 km. (6 marks)


Mini Assessment (F)

Mini Assessment (H)