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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.
Electronic Circuit Symbols
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Electronic Circuit Symbols

(7)
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.
Hydraulic and Pneumatic Symbols.
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Hydraulic and Pneumatic Symbols.

(3)
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)
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.
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.
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).
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
Composite Materials
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Composite Materials

(1)
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
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

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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
Calculation of Resistors in Series
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Calculation of Resistors in Series

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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
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
Calculation of Electrical Power (Complete lesson resources)
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Calculation of Electrical Power (Complete lesson resources)

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A presentation suitable for KS4 looking at the calculation of electrical power. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Calculate power dissipated in a simple resistor circuit. Calculate energy used in a simple resistor circuit. Main Skills: Interpret written text, make decisions and perform calculations. Duration: Approximately 30 mins 20 slides covering: • Electrical Power • Electrical Power Worked Example 1 • Electrical Power Worked Example 2 • Electrical Power Worked Example 3 • Energy • Energy Worked Example ****************************** Activity Learning Objective(s): Calculate power dissipated in a simple resistor circuit. Calculate energy used in a simple resistor circuit. Main Skills: Apply knowledge and perform calculations. Duration: Approximately 30 mins The Activity Sheet provides 2 activities for students to enhance their ability to calculate power and energy in a circuit by putting it into practice. The activities cover: • Calculating Power • Calculating Energy ****************************** Assessment Sheet - Word Document based assessment includes questions that students should be able to answer directly from the presentation, or by applying the information from the presentation. The Teachers Guide provides the correct answers and solutions to the activities and questions in the assessment.
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
Using a Multimeter
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Using a Multimeter

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A presentation suitable for KS3/KS4 looking at ‘Using a Multimeter’. The presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Identify how to use a digital multimeter to measure DC voltage and resistance, and to test for continuity Main Skills: Apply knowledge, extract information and interpret written text. Duration: 30 mins 20 slides covering: • Digital Multimeter Features • Range Selector • Test Leads • Measuring DC Voltage • Testing for Continuity • Testing the Continuity of a Wire • Testing the Continuity of a Switch • Testing the Continuity of a Fuse • Measuring Resistance • Measuring the Resistance of a Lamp Assessment Sheet - Word Document based assessment includes questions that students should be able to answer directly from the presentation, or by applying the information from the presentation. The Assessment Sheet Teachers Guide provides the correct answers and solutions to questions in the assessment.
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
Polymers
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Polymers

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A presentation suitable for KS4 looking at polymers. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the structure, characteristics and application of polymers. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 26 slides covering: • Polymers • Molecular Structure of Polymers • Addition Polymer • Condensation Polymers • Polymer Structure • Classification of Polymers • Thermoplastic Polymers • Thermosetting Polymers • Elastomers • Additives
Calculation of Resistors in Parallel
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Calculation of Resistors in Parallel

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A presentation suitable for KS3 looking at how to calculate the total resistance of resistors placed in parallel. 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 resistors connected in parallel. Main Skills: Interpret written text, interpret diagrams and perform calculations. Duration: Approximately 30 mins 16 slides covering: • Worked Examples • Reciprocal Calculations • Product Over Sum Method • Break Up Calculation
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