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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.
Plant Biology - Reproduction in Flowering Plants
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Plant Biology - Reproduction in Flowering Plants

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A presentation suitable for KS5 looking at reproduction in flowering plants. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore reproduction in flowering plants. Main Skills: Interpret written text and diagrams. Duration: Approximately 60 mins 52 slides covering: • Flower Structure - The Perianth • Flower Structure - The Calyx and Corolla • Male Reproductive Organs • Female Reproductive Organs • The Ovary • The Nectaries • Categorising Flowering Plants • The Production of Pollen Grains • The Flowering Plant Male Gametophyte • The Structure of the Ovule • The Embryo Sac as a Spore • Pollination • Pollination - Anthers • Dioecious and Monoecious Plants • Protandry and Protogyny • Self-incompatibility • Special Floral Structure Arrangements • Wind Pollination • Wind Pollination Versus Insect Pollination • Fertilization • Pollen Germination • Development of the Seed and Fruit
Plant Biology - Plant Growth
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Plant Biology - Plant Growth

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A presentation suitable for KS5 looking at plant growth. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the different ways that plants respond to stimuli. Investigate plant growth. Main Skills: Interpret written text and diagrams. Duration: Approximately 60 mins 43 slides covering: • Tropisms • Plant Growth Substances • Plant Growth Substances Versus Hormones • Categories of Plant Growth Substances • Auxins • Went’s Experiment • Auxin and Cell Elongation • Removing the Apical Meristem • Synthetic Auxins • Positive Geotropism • The Role of Auxins in Positive Geotropism • Using a Clinostat • Gibberellins • Cytokinins • Abscisic Acid • ABA and Plant Stress • ABA and Cold Hardening • Ethene
Plant Biology - Photosynthesis
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Plant Biology - Photosynthesis

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A presentation suitable for KS5 looking at photosynthesis. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the biochemistry of photosynthesis. Investigate the factors that can limit the rate of photosynthesis. Main Skills: Interpret written text and diagrams, understand chemical formulas. Duration: Approximately 60 mins 57 slides covering: • Plants as Energy Converters • The Photosynthesis Equation • Where Does Photosynthesis Occur? • Structure of a Chloroplast • Photosynthesis as Two Groups of Reactions • How the Energy is Used • Light Harvesting • The Chloroplast Pigments • How the Pigments Work Together • The Photosystems • The Two Stages of Photosynthesis • The Hill Reaction • The Calvin Cycle • The Light Dependent Reaction • Photophosphorylation • Thylakoids and ATP Synthase • Cyclic Photophosphorylation • Non-cyclic Photophosphorylation • The Products of Water Splitting • The Light Independent Stage • The Most Abundant Enzyme in the World! • Using ATP and NADPH • The Fate of Triose Phosphate • Limiting Factors of Photosynthesis • Light as a Limiting Factor • Carbon Dioxide as a Limiting Factor • Temperature as a Limiting Factor
Plant Biology - Osmosis
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Plant Biology - Osmosis

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A presentation suitable for KS5 looking at osmosis. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate the process of osmosis. Main Skills: Interpret written text and diagrams. Duration: Approximately 60 mins 45 slides covering: • Diffusion • Osmosis Defined • Visking Tubing • Water Potential in Plants • Water Potential and Kinetic Energy • The Net Movement of Water Molecules • The Symbol and Units of Water Potential • Osmosis Defined in Terms of Water Potential • The Water Potential Gradient • The Effects of Solutes on Water Potential • Solute Potential Defined • Pressure Potential • Pressure Potential in Plants • Osmosis and Plant Cells • Plasmolysis • Incipient Plasmolysis • Water, Solute and Pressure Potential • Reversing Plasmolysis • Turgidity • Full Turgidity • Alternative Terminology • Osmosis in Animal Cells • Osmoregulation
Plant Biology - Nutrients
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Plant Biology - Nutrients

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A presentation suitable for KS5 looking at nutrients. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Investigate the nutrients required by plants. Explore the effect of mineral deficiencies on plant growth. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 22 slides covering: • Essential Elements • Trace Elements • Nutritional Balance in Plants • Nutrient Deficiency Diseases • Nitrogen • Phosphorous • Potassium • Manganese • Copper • Zinc
Plant Biology - Transport Systems in Plants
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Plant Biology - Transport Systems in Plants

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A presentation suitable for KS4 looking at transport systems in plants. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore transport systems in plants. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 24 slides covering: • Vascular Tissue • Roots • Xylem • Tracheids • Vessel Elements • The Phloem • Leaves • Movement of Water • Movement of Sugars
Plant Biology - Response in Plants
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Plant Biology - Response in Plants

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A presentation suitable for KS4 looking at response in plants. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore common stimuli in plants. Explore how plants respond to stimuli. Main Skills: Interpret written text and diagrams. Duration: Approximately 45 mins 29 slides covering: • Survival, Stimuli and Surroundings • Stimuli and Plant Movement • Stimuli • Tropisms • Phototropism • Hydrotropism • Geotropism • Chemotropism • Nastic Responses • Thrigmotropism • Venus Fly Trap • Mimosa
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
Scientific Methodology - Evaluation of Scientific Explanations
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Scientific Methodology - Evaluation of Scientific Explanations

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A presentation suitable for KS4 looking at evaluation of scientific explanations. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how to evaluate scientific explanations. Main Skills: Interpret written text, diagrams, charts and graphs, make decisions and predict outcomes. Duration: Approximately 45 mins 40 slides covering: • Evaluation Methods • Using Empirical Evidence • Using Logical Reasoning • Using Experimental Testing • Observational Testing • Examining All Sides of Evidence
Scientific Methodology - Analysis of Scientific Explanations
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Scientific Methodology - Analysis of Scientific Explanations

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A presentation suitable for KS4 looking at the analysis of scientific explanations. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore how to analyse scientific explanations to identify the key factors. Main Skills: Interpret written text, make decisions and predict outcomes. Duration: Approximately 45 mins 41 slides covering: • Scientific Explanations • Analysis • Analytical Methods • Empirical Evidence • Logical Reasoning • Experimental Testing • Observational Testing • Examining All Sides of Evidence
Scientific Methodology - Planning Descriptive Investigations
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Scientific Methodology - Planning Descriptive Investigations

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A presentation suitable for KS4 looking at planning descriptive investigations. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Find out how to plan descriptive investigations. Main Skills: Interpret written text, make decisions and predict outcomes. Duration: Approximately 45 mins 30 slides covering: • Investigations • Descriptive Investigations • Planning • Habitat Investigation • Equipment • Using a Journal • Collecting Data • Writing a Report
Scientific Methodology - Scientific Theories
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Scientific Methodology - Scientific Theories

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A presentation suitable for KS4 looking at scientific theories. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the difference between hypotheses and theories. Main Skills: Interpret written text and diagrams. Duration: Approximately 30 mins 23 slides covering: • From Hypothesis to Theory • Development of Scientific Theories • Example 1: Cold Fusion • Example 2: The Expanding Universe
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?
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
Protein in Food
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Protein in Food

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A presentation most suitable for KS5 looking at protein 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 protein. Investigate a test for protein. Main Skills: Interpret written text and diagrams. Duration: Approximately 45 mins 40 slides covering: • What is Protein? • Amino Acids • Peptide Bonds • Polypeptides and Proteins • Protein Structure • Protein Properties • Protein Classification • Importance of Protein in Food • Sources of Protein • Testing Foods: Biuret Test • Positive and Negative Results • What can go Wrong • Regulating Foods • Allergy Information
Human Digestive System
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Human Digestive System

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A presentation most suitable for KS5 looking at the human digestive system. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Explore the structure of the human digestive system. Explore the function of components of the human digestive system. Main Skills: Interpret written text and diagrams. Duration: Approximately 45 mins 42 slides covering: • Holozoic Nutrition • GI Tract • Mastication • Swallowing • The Stomach • Duodenum • The Liver • Pancreas • Small Intestine • Carbohydrate Digestion • How Enzymes Work • Digestion in the Small Intestine • Secretion Control • Large Intestine
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
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
Ecological Pyramids
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Ecological Pyramids

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A presentation suitable for KS4 looking at ecological pyramids. Presentation includes multi-choice questions to engage students and get them thinking about the subject throughout the presentation. Learning Objective(s): Identify how ecological pyramids show the amount of organisms, biomass or energy in each trophic level of a food chain. Main Skills: Interpret written text. Duration: Approximately 30 mins 27 slides covering: • The Origin of Energy • Solar Energy and Producers • Ecological Pyramids • Number Pyramids • Biomass Pyramids • Energy Pyramids 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.
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.