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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.
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 - 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
Computer Science - Computing Concepts
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Computer Science - Computing Concepts

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A presentation most suitable for KS4 looking at computing concepts. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore basic computer science concepts including applications, processes and languages. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 25 slides covering: • Computers • Input - Process - Output • Hardware • Software • Programming • Machine Language • Assembly Language • Programming Languages • High Level Languages
Computer Science - Documentation and Testing
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Computer Science - Documentation and Testing

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A presentation most suitable for KS4 dealing with computer science documentation and testing. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how documentation and testing are an important part of developing computer programs. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 21 slides covering: • Software Development Lifecycle • Specification Requirements • Design • Implementation • Testing • Errors • Syntax • Test Plan • Test Data • Testing • Maintenance and Evolution
Starch in Food
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Starch in Food

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A presentation most suitable for KS5 looking at starch in food. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the structure and properties of starch. Explore the iodine test for starch. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 27 slides covering: • What is Starch? • Glucose in Starch • Starch in Plants • Starch as a Food Source • Modified Starch • The Iodine Starch Test • What can go Wrong? • Regulating Foods
Computer Science - Inputs and Outputs
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Computer Science - Inputs and Outputs

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A presentation most suitable for KS4 looking at computer science inputs and outputs. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate inputs and outputs of computer systems. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 21 slides covering: • Input - Process - Output • Inputs • Outputs • Sensors • Analogue Sensors • Digital Sensors • Analogue to Digital Conversion • Motors • Motor Control • Open Loop Systems • Servomotors • Closed Loop Systems
Computer Science - Data Constants and Variables
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Computer Science - Data Constants and Variables

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A presentation most suitable for KS4 looking at data constants and variables. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Recognise data types used in computer science. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 24 slides covering: • Data Verses Information • Variables • Constants • Data Types • Integer • Real • Character • String • Boolean • Arrays
Plant Biology - Reproductive Systems of Plants
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Plant Biology - Reproductive Systems of Plants

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A presentation suitable for KS4 looking at reproductive systems of plants. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the reproductive system of plants. Main Skills: Interpret written text and diagrams. Duration: Approximately 60 mins 50 slides covering: • Flowering and Non-flowering Plants • The Liverwort - Non-flowering • Liverwort Structure • Liverwort Sperm • Liverwort Eggs • Fertilization in the Liverwort • The Liverwort Sporophyte Generation • Germination of the Liverwort Spore • Alternation of Generations - Liverwort • Flower Structure - The Perianth • Flower Structure - The Calyx and Corolla • Flower Structure - The Androecium • Flower Structure - The Gynoecium • Flower Structure - The Ovary • Flower Structure - The Nectaries • The Production of Pollen Grains • The Flowering Plant Male Gametophyte • Structure of the Ovule • The Embryo Sac as a Spore • Pollination • Pollination - Anthers • Fertilization • Pollen Germination • Development of the Seed and Fruit
Algorithms and Problem Solving
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Algorithms and Problem Solving

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A presentation most suitable for KS4 looking at algorithms and problem solving. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore program design methods used to solve problems. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 23 slides covering: • Problem Solving • Specification Requirements • Analysis and Design • Algorithms • Algorithms and Flowcharts • Pseudocode
Human Impacts on Earth System Relationships
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Human Impacts on Earth System Relationships

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A presentation suitable for Grades 6-8 looking at human impacts on Earth system relationships. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how humans are impacting Earth system relationships. Main Skills: Interpret written text, diagrams, and graphs. Duration: Approximately 45 mins 23 slides covering: • Human Impacts on Earth Systems • A Warming World • Atmospheric Climate Change • Impacts on the Hydrosphere • Sea Level Rise • Coral Bleaching • Deforestation and Earth Systems • Impact on the Hydrosphere - Ocean Acidification • Impact on the Biosphere - Ocean Acidification • Computer Modelling
Impact of the Sun's Energy
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Impact of the Sun's Energy

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A presentation suitable for Grades 6-8 looking at the impact of the Sun’s energy. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the impact of the Sun’s energy. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 24 slides covering: • The Sun’s Energy • Transfer of Energy • Radiation • Conduction • Convection • Uses of Radiated Energy • Life on Earth • Winds • Ocean Currents • The Water Cycle
Humans and Ecosystems
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Humans and Ecosystems

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A presentation suitable for Grades 6-8 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 Model
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Earth Model

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A presentation suitable for Grades 6-8 looking at an Earth model. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the structural layers of Earth. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 21 slides covering: • Composition of the Earth • Depths • Structure Regions • Modelling the Planet! • Predictions • Visualization
Food Chains
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Food Chains

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A presentation suitable for KS4 looking at food chains. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how matter flows through food chains. Explore how energy flows through food chains. Main Skills: Extract information, demonstrate understanding, apply knowledge, model. Duration: 30 mins 19 slides covering: • What is a food chain? • Energy Release • Inorganic Nutrients • What Happens to the Energy? • Grazing Food Chains • Detritus Food Chains • Detritus Food Chains v Grazing Food Chains • Interrelationships 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.
Earth Systems - Plate Tectonic Theory & Plate Tectonics
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Earth Systems - Plate Tectonic Theory & Plate Tectonics

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A special dual presentation resource covering Plate Tectonic Theory and Plate Tectonics. ***************************************** Presentation 1: Plate Tectonic Theory A presentation suitable for KS3 looking at plate tectonic theory. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore historical development that supports plate tectonic theory. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 21 slides covering: • Catastrophism and Uniformitarianism • Continental Drift • Plate Tectonics • Lithospheric Plates • What Causes Plate Motion? ***************************************** Presentation 2: Plate Tectonics A presentation suitable for KS3 looking at plate tectonics. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the movements of the plates that make up the Earth’s surface. Explore geological events caused by plate motion. Main Skills: Interpret written text and diagrams. Duration: Approximately 45 mins 35 slides covering: • Basic Structure of Earth • Tectonic Plates • What Causes Plate Motion? • Plate Boundaries • Convergent Boundaries • Divergent Boundaries • Sliding Boundaries • Ocean Basins
Atomic Structure - Bohr's Nuclear Atom
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Atomic Structure - Bohr's Nuclear Atom

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A presentation suitable for KS4 looking at Bohr’s nuclear atom structure. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore Bohr’s theory of electron orbits. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 19 slides covering: • Bohr’s Assumptions • Bohr’s Quantum Hypothesis • Electron Shells • Excited and Ionized • Energy Changes for Excited Electrons • Link to Line Spectra
Acids and Bases - Types of Reaction
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Acids and Bases - Types of Reaction

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A presentation suitable for KS4 looking at types of reaction. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Differentiate among acid/base, precipitation and redox reactions. Main Skills: Interpret written text, diagrams, charts and chemical equations. Duration: Approximately 45 mins 28 slides covering: • Acid/Base Reactions • Precipitation Reactions • Solubility Rules • Redox Reactions • Differentiate
Atomic Structure - Waves and Spectra
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Atomic Structure - Waves and Spectra

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A presentation suitable for KS4 looking at waves and spectra. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Calculate frequency, wavelength and energy of electromagnetic waves. Main Skills: Interpret written text and diagrams and perform calculations. Duration: Approximately 45 mins 32 slides covering: • Electromagnetic Spectra • Features of Electromagnetic Waves • Speed of Electromagnetic Waves • Speed, Wavelength and Frequency • Energy and Frequency • Max Planck and Albert Einstein • Quantum of Energy • Types of Spectra • Emission Spectra • Quantum of Energy • Other Emission Spectra • Absorption Spectra
Atomic Structure - Dalton's Atomic Theory
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Atomic Structure - Dalton's Atomic Theory

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A presentation suitable for KS4 looking at Dalton’s atomic theory. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the contribution of Dalton to the development of atomic structure theory. Main Skills: Interpret written text and diagrams. Duration: Approximately 20 mins 14 slides covering: • Ancient Greek Theories • Dalton’s Postulates • Dalton’s Other Postulates • Dalton’s Experimentation • The Legacy of Dalton