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LJ Create STEM Shop

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We provide a range of free, and low-cost STEM resources for schools and further education. Our resources include theory presentations, activity sheets, information fact files, and informative posters for your classroom.

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We provide a range of free, and low-cost STEM resources for schools and further education. Our resources include theory presentations, activity sheets, information fact files, and informative posters for your classroom.
Resistor Colour Codes & Ohm's Law
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Resistor Colour Codes & Ohm's Law

(6)
The resistance of a resistor is indicated using a system of coloured bands on the component. This poster shows the colour code bands and the values that they represent. 4 and 5 band resistor colour code systems are both covered on this poster. Ohm's Law is also shown on this poster.
Car Tyre Identification
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Car Tyre Identification

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This poster will help students understand what the markings mean on car tyres. This poster could be used in motor vehicle studies classrooms or after school / after college car maintenance clubs.
Electronic Circuit Symbols
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Electronic Circuit Symbols

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This poster contains a collection of commonly used electronic circuit symbols and their meanings. Circuit symbols may differ only slightly but their intended meanings can be very different. There are two standards of symbols that you may encounter, ANSI/IEEE and IEC - both variants have been shown so that you can see the differences. The symbols include Resitors, Capacitors, Diodes, Transistors, Switches, Output Devices, Logic Gates and Basic Circuit Symbols.
Calculating Resistance Colour Code Values and Tolerance
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Calculating Resistance Colour Code Values and Tolerance

(1)
A presentation looking at how to calculate resistor colour code values and tolerances. The presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Calculate the maximum and minimum resistor values from the colour code. Main Skills: Interpret written text and apply knowledge. Duration: 30 mins 22 slides covering: • Colour Codes • Four Band Colour Codes • Five Band Colour Codes • Examples • Preferred Values • Important Considerations
Microstructure of Metals
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Microstructure of Metals

(1)
A presentation suitable for KS4 looking at the microstructure of metals. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how the microstructure of metals affects their properties. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 22 slides covering: • Elastic Deformation • Plastic Deformation • Slip • Imperfections • Dislocations • Work Hardening • Dislocation and Grains • Annealing • Alloying
Hydraulic and Pneumatic Symbols.
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Hydraulic and Pneumatic Symbols.

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Hydraulic/Pneumatic poster with symbols for... * Basic components (Accumulators, reservoirs and filters) * Valves (Check Control, Gate, Flow Control, Adjustable Flow Control, Pressure Relief, Shuttle) * Cylinders (Single Acting, S/A - Return Spring, Double Acting, D/A - Adjustable Cushion and D/A - Double Ended) * Controls (Push Bitton, Lever, Foot Pedal, Solenoid, Pilot Operation) * Directional Control Valves (2 Port-2 Position, 3 Port-2 Position,4 Port-2 Position, 4 Port-3 Position) * Pumps/Motors/Instruments (Fixed Displacement , Flow Meter)
Composite Materials
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Composite Materials

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A presentation suitable for KS4 looking at composite materials. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the benefits, types and examples of composite materials. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 23 slides covering: • Composite Materials • The Matrix • Types of Composite • Laminar Composites • Particulate Composites • Cermets • Electrical Contacts • Fibre Reinforced Composites • Glass Reinforced Plastic • Carbon Fibre Reinforced Plastic
Calculation of Resistors in Series
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Calculation of Resistors in Series

(1)
A presentation suitable for KS3 looking at how to calculate the total resistance of resistors placed in series. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Calculate the total resistance for circuits with series connected resistors. Main Skills: Interpret written text, interpret diagrams and perform calculations. Duration: Approximately 30 mins 13 slides covering: • Total resistance • Two resistors in series • Three resistors in series • Four resistors in series
Engineering Diploma .Net Magazine - Issue 1
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Engineering Diploma .Net Magazine - Issue 1

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This new publication is designed to share experiences of delivering the Engineering Diploma together with some examples of best practice. The content of the magazine has been written by practitioners for practitioners. We hope you will find the articles of interest and perhaps, might be moved to contribute something to our Autumn edition. If you would like a free printed copy of the Engineering Diploma magazine, have any comments, or would like to submit an article for the next edition, please contact Kerry Woods, the Engineering Diploma magazine editor: editor@engineeringdiploma.net
Car Air conditioning systems
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Car Air conditioning systems

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This poster shows the locations of parts of a car's air conditioning system (Orifice Valves, Filter, Condesnser, Heater, Evaporator and Compressor).
Car Braking Systems
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Car Braking Systems

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This poster shows the main parts of the braking system used in a typical car. It shows the Master Cylinder, ABS Sensor, Vacuum Servo, Brake Pipes, Hand Brake and Disc Brake.
21st Century Engineering
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21st Century Engineering

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21st Century Engineering poster aimed at giving students an overview of a range of engineering industries to help prepare them for the workplace. Engineering industries include: - Control and Instrumentation - Mechanical and Fluid Power - Electronics - Research. Design and Technology - Engineering Management - Computer Programming - Warehouse and Logistics
Materials Testing - Hardness and Non-Desctructive Testing
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Materials Testing - Hardness and Non-Desctructive Testing

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A presentation suitable for KS4 looking at materials testing for hardness and non-destructive testing. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore hardness and non-destructive testing of materials. Main Skills: Interpret written text, diagrams, graphs and tables. Duration: Approximately 30 mins 24 slides covering: • Hardness Testing • Brinell Hardness • Rockwell Hardness • Vickers Hardness • Non-Destructive Testing • X-Ray Testing • Ultrasonic Testing • Magnetic Particle Inspection • Dye Penetrant Inspection • Fatigue • Metal Fatigue • Fatigue Testing • S-N Curves
Materials Testing - Tensile and Impact Testing
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Materials Testing - Tensile and Impact Testing

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A presentation suitable for KS4 looking at materials testing through tensile and impact testing. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore tensile and impact testing of materials. Main Skills: Interpret written text, diagrams and graphs. Duration: Approximately 30 mins 22 slides covering: • The Tensile Test • Material Specimen • Results • Stress and Strain • Modulus of Elasticity • Strength of Material • Impact Testing • Impact Test Specimens • Impact Testing and Temperature
Microstructure of Alloys
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Microstructure of Alloys

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A presentation suitable for KS4 looking at the microstructure of alloys. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate the microstructure of alloys. Main Skills: Interpret written text and diagrams. Duration: 30 mins 19 slides covering: • Solid Solution • Substitutional Solid Solution • Solid Solution Strengthening • Interstitial Solid Solutions • Limited Solubility • Dispersion Strengthening • Microstructures of Alloys
Microstructures of Steel
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Microstructures of Steel

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A presentation suitable for KS4 looking at the microstructures of steel. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate the microstructures of steel and how they are affected by composition and heat treatment. Main Skills: Interpret written text, diagrams and graphs. Duration: Approximately 30 mins 24 slides covering: • Microstructure • Phases of Iron - Ferrite • Phases of Iron - Cementite • Pearlite • Phases of Iron - Austenite • Graphite • Iron-Carbon Phase Diagrams • Austenite and Martensite • Quenching • Tempering • Annealing • Case Hardening
Lubrication
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Lubrication

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A presentation suitable for KS4 looking at lubrication. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the concept of lubrication and various types of lubricant used in engineering. Main Skills: Interpret written text and diagrams. Duration: 30 mins 27 slides covering: • Lubrication • Lubricants • Mineral and Synthetic Oils • Viscosity • Viscosity Grading • Motor Oils • Additives • Grease • Solid Lubricants • Environmental Considerations • Personal Protection
Classification of Materials
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Classification of Materials

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A presentation suitable for KS4 looking at the classification of materials. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the main groups used in the classification of materials. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 24 slides covering: • Metals • Ferrous Metals • Non-Ferrous Metals • Alloys • Polymers • Ceramics • Organic Materials • Composite Materials
Iron and Steel
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Iron and Steel

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A presentation suitable for KS4 looking at iron and steel. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate types of steel and their applications. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 26 slides covering: • Iron • Steel • Steel and Carbon • Low Carbon Steel • High Carbon Steel • Steel Alloys • Alloying Elements • Tool Steel • Stainless Steel • Structural Steel • Cast Iron • Cast Steel • Recycling • Steel Naming • Heat Treatment
Non-Ferrous Metals
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Non-Ferrous Metals

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A presentation suitable for KS4 looking at non-ferrous metals. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Recognise the range and characteristics of non-ferrous metals. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 25 slides covering: • Alloys • Copper • Aluminium • Aluminium Alloys • Titanium • Nickel • Refractory Metals • Zinc • Tin