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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.
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
Diet
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Diet

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A presentation most suitable for KS3 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 how good nutrition is important for good health. Explore the major food groups that are needed in the diet for good health. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 28 slides covering: • Nutrition • Carbohydrates • Lipids • Proteins • Vitamins • Minerals • Dietary Fibre • Water • Balanced Diet • Recommended Intake • Food Labels • Energy • Food Pyramids
Space - Wonders of the Universe
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Space - Wonders of the Universe

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A presentation suitable for KS4 looking at the wonders of the universe. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the universe and some of its objects. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 32 slides covering: • Distances in Space • Light Years • Stars • Star Clusters • Nebulae • The Carina Nebulae • Milky Way • The Discovery of Galaxies • Galaxies • Groups of Galaxies • The Universe • How Big is the Universe? • Back in Time
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
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 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
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?
Fat in Food
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Fat in Food

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A presentation most suitable for KS5 looking at fat in food. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Recognise reasons for testing foods for fats and oils. Investigate two methods commonly used for testing foods for fats and oils. Explore how fat and oil food tests work. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 29 slides covering: • Lipids • Grease Spot Test • Distinguishing Lipids from Other Liquids • Water Spots • The Emulsion Test • Positive and Negative Results • Regulating Foods • The Food Industry
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
Space - Space Exploration
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Space - Space Exploration

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A presentation suitable for KS4 looking at space exploration. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the considerations and accommodations needed for space travel. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 31 slides covering: • Very Early Space Exploration • Early Rockets • First Rockets in Space • First Rockets in Orbit • First Life in Space • First Human in Space • Yuri’s Trip • Race to the Moon • Mars Landing • New Spacecraft Technology • Ion Thrusters • The ISS • Space Exploration • Travelling to the Stars