Junior Cycle Engineering Notes

Free Junior Cycle Engineering revision notes for Common Level. Browse 16 topics and read online without an account.

16 topicsCommon LevelUpdated 26 Oct 2026

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Processes and principles

9 topics

Assembly/Joining TechniquesAssembly and joining techniques allow engineers to connect components using temporary fasteners, permanent mechanical joints, thermal methods, or chemical…4 min read CAM - Computer Aided ManufactureComputer Aided Manufacture (CAM) uses computer software and programmable machinery to turn digital designs into physical components.3 min read Heat TreatmentsHeat treatment changes the properties of metals by controlled heating and cooling to suit a practical job.3 min read Lathe Work: Manual & CNCOn a lathe, the workpiece rotates in a chuck while a cutting tool is fed into it to shape cylindrical parts.4 min read Marking Out & Manufacturing ProcessesMarking out transfers dimensions and shapes from a working drawing onto material to guide cutting, shaping, and assembly.3 min read Materials: Properties, Reason for Selection, Finishes & ApplicationsEngineering materials are classified by composition and chosen by matching their properties to the functional demands of a product.3 min read Measuring Instruments & GaugesMeasuring instruments, gauges, and marking-out tools allow engineers to manufacture components accurately and check that finished work fits within specified…3 min read Polymers and Polymer ManufacturingPolymers are lightweight, durable materials made of long molecular chains, divided into thermoplastics and thermosetting plastics.4 min read Tools & EquipmentWorkshop tools allow you to mark out, hold, cut, drill, and finish metals safely and accurately.4 min read

Design application

3 topics

Design & GraphicsDesign and graphics covers the systematic process of turning an initial brief into a finished product using sketches, working drawings, models, and prototypes.3 min read Environmental ImpactsEnvironmental impacts are the effects that engineered materials, energy systems, and manufacturing processes have on our natural surroundings.3 min read Inventors and Engineers in SoceityThis topic explores how inventors and engineers create practical solutions that shape everyday life, industry, and the environment.4 min read

Mechatronics

4 topics

EnergyEnergy is the ability to do work, powering everything from workshop motors to microcontrollers.3 min read EnginesA piston petrol engine converts energy from burning fuel into rotary motion through a crank-slider mechanism.4 min read MechanismsA mechanism is an assembly of parts that transforms an input motion and force into a desired output.3 min read Modern/Smart Technology & ICTModern and smart technology combines electronics, mechanical mechanisms, and computer software to create automated engineering systems.4 min read

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