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LJ Create STEM Shop

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(based on 97 reviews)

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.
Earth Systems - Life and the Earth - Coevolution
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Earth Systems - Life and the Earth - Coevolution

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A presentation suitable for KS3 looking at life and the Earth - coevolution. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Recognise how living organisms have changed the atmosphere, the oceans and the surface of the Earth. Main Skills: Interpret written text, diagrams and graphs. Duration: Approximately 45 mins 27 slides covering: • Life • Changing the Atmosphere • Iron Formations • Changing the Atmosphere • Changing the Land • Changing the Land and the Atmosphere • Changing the Oceans • Coevolution
Earth Systems - Humans and Ecosystems
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Earth Systems - Humans and Ecosystems

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A presentation suitable for KS3 looking at humans and ecosystems. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how increases in human population and consumption of natural resources have an impact on Earth’s systems. Main Skills: Interpret written text, diagrams and graphs. Duration: Approximately 45 mins 29 slides covering: • World Population • Population and Resources • Energy Consumption • Population and Energy Use • Water Consumption • Ways to Reduce Water Consumption • Change of Land Use • Waste • What Can We Do? • Reduce, Reuse and Recycle
Earth Systems - The Rock Cycle
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Earth Systems - The Rock Cycle

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A presentation suitable for KS3 looking at the rock cycle. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how the Earth’s materials are cycled in the rock cycle. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 23 slides covering: • Time • Igneous Rocks • Sedimentary Rocks • Metamorphic Rocks • Processes of the Rock Cycle • Magma • Cooling • Mid Atlantic Ridge • Weathering • Erosion and Transport • Deposition • Burial/Compression/Cementation • Heat and Pressure • Melting Again • The Rock Cycle
Kinetic and Potential Energy
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Kinetic and Potential Energy

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A presentation suitable for KS4 looking at kinetic and potential energy. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate kinetic and potential energy and their transformations. Main Skills: Interpret written text, make decisions and predict outcomes. Duration: Approximately 30 mins 26 slides covering: • Kinetic Energy • Potential Energy • Gravitational Potential Energy • Elastic Potential Energy • Energy Changes
Power and Mechanical Energy
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Power and Mechanical Energy

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A presentation suitable for KS4 looking at power and mechanical energy. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Calculate mechanical energy of a physical system. Calculate the power generated in a physical system. Main Skills: Interpret written text, make decisions and perform calculations. Duration: Approximately 30 mins 29 slides covering: • Work and Power • Total Mechanical Energy • Kinetic Energy • Potential Energy • Calculating Mechanical Energy Examples
Work-Energy Theorem
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Work-Energy Theorem

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A presentation suitable for KS4 looking at the work-energy theorem. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate quantities using the work-energy theorem. Main Skills: Interpret written text, make decisions and perform calculations. Duration: Approximately 30 mins 21 slides covering: • What is Work? • Energy • Kinetic Energy • Work-Energy Theorem • Calculating Work • Friction Force • Force at an Angle
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
Diet (KS4)
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Diet (KS4)

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A presentation most suitable for KS4 looking at diet. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the roles of different nutrients. Explore how diet can affect health and well-being. See how to determine the energy value of food. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 40 slides covering: • Nutrition • Carbohydrates • Lipids • Proteins • Vitamins • Minerals • Dietary Fibre • Water • Balanced Diet • Recommended Intake • Food Labels • Energy • Malnutrition • Obesity • Starvation • Body Mass Index (BMI) • Balanced Diet
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
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
Structure of Metals
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Structure of Metals

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A presentation suitable for KS4 looking at the structure of metals. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Recognise the atomic, crystal and grain structure of metals. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 22 slides covering: • Atomic Structure • Metallic Bonding • Crystals • Crystal Structure • Body-Centred Cubic • Face-Centred Cubic • Hexagonal Close-Packed • Changing Crystals • Solidification • Grains • Grain Structure
Characteristics of Materials
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Characteristics of Materials

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A presentation suitable for KS4 looking at the characteristics 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 characteristics used to describe engineering materials. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 23 slides covering: • Physical Properties • Stress • Elastic Deformation • Plastic Deformation • Strain • Strength • Stiffness • Modulus of Elasticity • Ductility • Brittle • Toughness • Hardness • Manufacturing Characteristics • Material Characteristics
Ceramics and Sintered Materials
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Ceramics and Sintered Materials

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A presentation suitable for KS4 looking at ceramics and sintered materials. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate materials that are processed by sintering, including ceramic materials. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 27 slides covering: • Powered Materials • Compacting • Sintering • Changes During Sintering • Sintered Products • Powdered Metals • Ceramic Materials • Characteristics of Ceramic Materials • Diversity of Ceramic Materials • Clay-Based Ceramic Materials • Engineering Ceramic Materials • Oxides • Non-Oxides • Applications of Oxides and Non-Oxides • Refractory Ceramic Materials • Cemented Carbides
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 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
Sugar in Food
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Sugar in Food

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A presentation most suitable for KS5 looking at sugar in food. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Identify the structure and properties of sugars. Investigate methods that are commonly used to test foods for sugar. Main Skills: Interpret written text and diagrams. Duration: Approximately 45 mins 42 slides covering: • Sugars • Regulating Foods • Sugar Consumption and Health • Diabetes • Added Sugar • Checking Food Labels • Naming Sugars • Glucose • Sucrose • The Benedict’s Test for Sugar • Testing for Reducing Sugars • Testing Foods for Reducing Sugars • Testing Foods for Non-Reducing Sugars • Positive and Negative Results • What can go Wrong?
Space - Asteroids, Comets and Meteors
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Space - Asteroids, Comets and Meteors

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A presentation suitable for KS4 looking at asteroids, comets and meteors. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore asteroids, comets and meteors. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 32 slides covering: • Asteroids • Comets • Halley’s Comet • Meteors • Meteoroids • Meteorites • Impact Craters