Find a simulation

An interactive GCSE chemistry lesson exploring electron configurations and their connection to the periodic table. Students build shell diagrams for the first 20 elements, write numerical configurations and investigate how outer electrons and occupied shells determine group and period. Includes animated shell filling, worked examples, guided practice, element comparisons and reaction predictions, aligned with AQA 4.1.1.7 and 4.1.2.1.

An interactive Year 7 Biology lesson exploring how substances move into and out of cells. Students develop the idea of diffusion using animated particle models, investigate the spread of a smell, and carry out a virtual coloured-agar diffusion experiment with timed observations. The lesson then applies these ideas to plants, including gas exchange, osmosis and an animated explanation of how water loss causes wilting. Activities follow pages 19–23 of the accompanying Cells lesson booklet and include retrieval, guided explanations, practical observation, checking and application tasks.

Observing Cells is an interactive Year 7 Biology lesson introducing cells, microscopes and magnification. It follows pages 4–8 of the Cells lesson booklet, using large classroom-friendly visuals, guided explanations and interactive checks. Students explore how living things are made of cells, learn the main parts of a light microscope and their functions, practise the correct focusing sequence, and calculate total magnification. Visual models include a zoom from a leaf to individual cells, Hooke’s cork observations, scientific drawing guidance, and realistic onion and cheek cell views at different magnifications.

An interactive Year 7 Biology lesson exploring how specialised cells are adapted to carry out particular jobs. Students investigate nerve cells, red blood cells, sperm and egg cells, palisade cells and root hair cells using animated models, selectable features and guided activities. Visualisations include repeated electrical impulses travelling along a nerve cell, oxygen binding to haemoglobin and being transported from the lungs to body tissues, a scaled sperm–egg comparison, photosynthesis in palisade cells and absorption by root hair cells.

An interactive GCSE Chemistry visualisation for exploring the properties and reactions of the Group 7 halogens. Students compare chlorine, bromine and iodine, investigate trends in relative molecular mass, melting point and boiling point, explore why reactivity decreases down the group, and model the formation of ionic and covalent compounds. An interactive displacement-reaction lab allows students to predict, observe and explain reactions between halogens and aqueous halide salts. Projector and Student views, staged animations, predictions and diagnostic questions support both whole-class teaching and independent learning.

Explore first and successive ionisation energies through animated electron removal, electron configurations, orbital diagrams and interactive graphs. Compare atoms and ions, investigate trends across periods and down groups, and explain exceptions using nuclear charge, shielding, subshells and electron pairing. Includes prediction-and-reveal controls and data for elements from hydrogen to xenon.

An interactive A-level chemistry simulation linking molecular structure and intermolecular forces to physical properties. Explore iodine and ice lattices, rotate local and extended 3-D ice structures, and investigate melting, boiling, solubility and electrical conductivity. Animated particle models explain water’s unusually high melting and boiling points and why ice floats. Designed to follow the molecular shapes, polarity and intermolecular forces simulations, with prediction prompts, revealable explanations and understanding checks.

An interactive A-level chemistry tool exploring London forces, permanent dipole–dipole interactions and hydrogen bonding. Animated electron clouds show how temporary dipoles arise and induce dipoles in neighbouring particles. Molecular models, displayed formulae and comparisons help students connect molecular structure with intermolecular attractions, while investigations explore polarisability, molecular contact and boiling.

An interactive exploration of electronegativity, bond polarity and molecular polarity for A-level Chemistry. Students compare Pauling values, investigate periodic trends and switch between dot-and-cross representations, electron clouds and rotatable molecular models. Whole-molecule charge maps show electron-rich and electron-poor regions, while animated charge-centre constructions explain why bond dipoles cancel or produce an overall dipole. Any two examples can be compared side by side, with prediction questions and explanatory feedback supporting classroom discussion and independent learning.

An interactive GCSE Chemistry lesson exploring how metals and non-metals differ in their position in the periodic table, physical properties and chemical behaviour. Students predict properties before completing a virtual practical investigation using copper, sulfur, aluminium, graphite and iron, testing appearance, bending/brittleness, electrical conductivity and state at room temperature. They use their observations to identify patterns, classify unknown samples and investigate graphite as an important exception. Animated atomic models then show why metals form positive ions by losing electrons, with sodium, lithium and potassium used to develop the link between electron arrangement and reactions.

Explore molecular shapes and bond angles using chunky, rotatable 3D models. Students connect displayed and dot-and-cross diagrams to electron domains, lone pairs and molecular geometry through a shape builder, staged explanations and random challenges. Includes an animated comparison of methane, ammonia and water, plus optional extension shapes.

Explore how tectonic plates move and create Earth's major landforms through interactive geological simulations. Designed for GCSE and A-level Geography, this resource investigates continental rifting, transform faults, collision zones, ocean ridges, subduction boundaries and volcanic hotspots. Students can animate plate movements, examine cross-sections, explore earthquake distributions and investigate the formation of mountains, volcanoes, trenches, island arcs and tsunamis. Includes a global plate map, real-world examples such as Iceland, the Himalayas and Hawaii, interactive recap activities and knowledge checks.

An interactive, visual lesson exploring the structures and functions of animal and plant cells, designed for KS3 Science. Students investigate detailed cell models, select individual organelles and watch animations demonstrating their functions, including how water loss from the vacuole causes plants to wilt. The lesson includes interactive labelling, cell comparisons, animated microscope slide preparation, real microscope images, knowledge checks and application questions. It follows pages 9–13 of the Year 7 Cells booklet, allowing teachers to deliver the lesson without PowerPoint or students to work through the activities independently.

An interactive GCSE Chemistry lesson exploring the law of conservation of mass and balancing chemical equations (AQA 4.3.1.1). Animated particle models show how atoms rearrange during reactions without being created or destroyed, while a virtual mass experiment demonstrates conservation of mass. Students investigate coefficients and subscripts, balance equations using interactive atom counters, and develop their understanding through step-by-step worked examples, guided practice and exam-style questions.

An interactive GCSE Higher Chemistry lesson exploring limiting and excess reactants through real-life analogies, animated chemical reactions and step-by-step calculations. Students progress from visualising how reactants are used up to identifying limiting reactants, calculating maximum product quantities and completing guided and AQA-style exam questions. Includes a no-scrolling presentation layout suitable for classroom projection and independent learning.

An interactive GCSE Chemistry simulation exploring how long-chain hydrocarbons are cracked into smaller, more useful molecules. Students investigate the laboratory cracking apparatus, compare catalytic and steam cracking, visualise how molecules break apart, and observe the bromine water test for alkenes. Animated models, equation-balancing activities and real-world applications help students understand the importance of cracking in producing fuels, polymers and other chemicals.

An interactive simulation exploring how hydrocarbon chain length affects boiling point, viscosity and flammability. Students compare hydrocarbons through animated heating, flow and ignition experiments, using particle-level views to understand the trends. The simulation also explores complete combustion, showing how atoms rearrange to form carbon dioxide and water, with interactive activities for practising balanced chemical equations.

An interactive GCSE Chemistry simulation exploring how crude oil is separated into useful fractions by fractional distillation. Students can inspect the mixture of hydrocarbons, follow a single batch through an animated fractionating column, and investigate why different hydrocarbons condense at different temperatures. Molecular animations illustrate evaporation, condensation and intermolecular forces, while interactive activities explore the uses of fractions as fuels and petrochemical feedstock.

An interactive GCSE Chemistry simulation exploring the formation of crude oil, hydrocarbons and the alkane homologous series. Animated geological processes, crude oil extraction, interactive molecular models and an alkane builder help students understand where crude oil comes from and recognise alkanes using molecular and displayed formulae.

An interactive GCSE Geography flood management simulation where students design and test flood protection strategies across a drainage basin. Students can combine nine hard and soft engineering techniques, including dams, levees, afforestation and floodplain zoning, while working within a fixed budget. Animated rainfall, river flooding and changing flood extents demonstrate how each method works. Students can compare costs, benefits, environmental impacts and downstream consequences to evaluate the most effective and sustainable flood management strategies.

An interactive GCSE Chemistry simulation exploring the properties and reactions of Group 1 alkali metals. Students compare lithium, sodium and potassium reacting with water, oxygen and chlorine, observe how reactivity increases down the group, and use electron arrangements to explain the trend. Includes animated reactions, equations, interactive explanations and prediction activities. A dedicated projector mode provides large visuals for whole-class teaching.

An interactive periodic table builder that allows GCSE Chemistry students to explore how the periodic table developed from early arrangements based on atomic weight to the modern table. Students rearrange element cards, identify repeating patterns, leave gaps for undiscovered elements, make predictions and investigate Mendeleev’s decisions. The simulation reveals how discoveries supported his predictions and how atomic number and electron arrangements explain the structure of the modern periodic table.

An interactive A-level geography simulation exploring how El Niño changes precipitation across the Pacific and influences the water cycle around the world. Three linked views connect the physical mechanism to its consequences. Pacific mechanism shows changing trade winds, warm-water distribution, upwelling and the eastward shift of rising moist air and rainfall. Regional water cycle compares neutral conditions with developing El Niño across Australia and Indonesia, the central/eastern Pacific, coastal Ecuador and northern Peru, and northern South America. Global connections explores contrasting seasonal rainfall tendencies through an interactive map. Students can animate the transition, adjust the development slider, pause the action and hide process labels to explain what they observe. Rainforest vegetation gradually browns as western conditions become drier, with possible wildfire effects illustrating a further consequence of reduced precipitation. Designed for teacher demonstration, guided exploration and revision, the simulation helps students build explanations linking atmospheric circulation, precipitation, soil moisture, runoff and water availability.

An interactive GCSE Chemistry simulation exploring why reactivity increases down Group 1 but decreases down Group 7. Students can compare alkali metals and halogens side by side, examining how increasing atomic radius and electron shielding affect the attraction between the nucleus and outer or incoming electrons. Animated electron loss and gain, adjustable visual overlays and interactive comparisons help students connect atomic structure to reactivity. Includes prediction questions and GCSE explanation-building activities to reinforce understanding.

Explore the differences between simple molecular substances and giant covalent structures through interactive particle diagrams and simulations. Investigate how heating affects intermolecular forces and covalent bonds, discover why larger molecules have higher boiling points, and compare electrical conductivity. Featuring a rotatable silicon dioxide structure, heating animations, molecular size comparisons and knowledge-check questions, this simulation helps GCSE Chemistry students link structure and bonding to physical properties.

Addition Polymerisation – From Monomers to Polymers Explore how small alkene molecules join together to form long-chain polymers through addition polymerisation. Select different monomers, watch their carbon–carbon double bonds open to form new covalent bonds, and investigate how repeating units are represented using correct chemical notation. Discover why polymers are solids at room temperature by exploring strong covalent bonds within polymer chains and intermolecular forces between them. Compare the structures of low-density polyethylene (LDPE) and high-density polyethylene (HDPE) to understand how branching affects packing, density and melting behaviour. Interactive animations, exam-style diagrams and knowledge-check questions help GCSE Chemistry students visualise polymer formation and explain the relationship between structure, bonding and properties.

Bonding Basics: Ionic, Covalent and Metallic Bonding An interactive introduction to the three main types of chemical bonding for GCSE Chemistry. Students explore how the types of elements involved determine whether ionic, covalent or metallic bonding occurs. Through simple animated particle models, they discover what happens to electrons during bonding and how this produces different structures. Using familiar examples including sodium chloride, magnesium oxide, hydrogen, water and pure metals, students can predict bonding types, observe electron transfer, sharing or delocalisation, and compare the resulting structures. The simulation includes a side-by-side comparison of all three bonding types and an interactive knowledge check, making it ideal for introducing chemical bonding before studying each type in greater detail.

Explore how to use a light microscope to observe onion and cheek cells. This KS3 simulation guides students through positioning and securing a prepared slide, selecting a low-power objective, adjusting the light and bringing the image into focus using the coarse- and fine-focus controls. Students can then increase magnification and investigate how staining makes cell structures easier to distinguish. Side-by-side comparisons show the effects of iodine on onion cells and methylene blue on cheek cells, while a cell explorer supports identifying and comparing visible structures. Guided and free-practice modes make the tool suitable for teacher demonstrations, preparation for practical work and independent revision.

Explore dynamic equilibrium and Le Chatelier’s principle through animated particles, live reaction rates and graphs. Students investigate how reversible reactions reach equilibrium, discovering why equal forward and reverse rates do not require equal amounts of reactants and products. Change concentration, pressure, temperature or the presence of a catalyst, then observe how the mixture responds. Four reaction examples connect a simple reversible model to gas equilibria and the Haber process. Prediction prompts, reference markers and separate amount, concentration and rate graphs help students explain their observations. Includes six knowledge checks with feedback and a built-in teacher guide.

Particles Builder: Elements, Compounds and Mixtures is an interactive particle-modelling tool designed to help students use key chemistry vocabulary accurately. Teachers or students can drag different types of atoms into a container and move them together to form molecules. Atoms snap together when brought sufficiently close, allowing users to quickly construct particle diagrams representing elements, compounds and mixtures. The tool automatically analyses the particles in the container and can reveal the most appropriate description, such as: atoms of a single element molecules of a single element molecules of a compound a mixture of atoms of different elements a mixture of elements and compounds a mixture of different compounds This makes the tool particularly useful for developing students’ understanding of the differences between atoms, molecules, elements, compounds, particles and mixtures, while also allowing rapid questioning and self-checking.

Explore the formation, structure and properties of ionic compounds through animated dot-and-cross diagrams. Follow single and multiple electron transfers, inspect the resulting ions and build chemical formulae by balancing charges. Compare a flat lattice layer with a rotatable 3D model, then investigate melting, electrical conductivity, brittleness and dissolving. GCSE and A-level modes provide suitable examples and extensions, with step-by-step playback, optional full-shell diagrams and activities that connect particle models to clear written explanations.

Explore how metallic bonding explains the structure and properties of metals. Begin with neutral sodium atoms, then press Delocalise to watch their outer electrons become shared throughout the metal, leaving positive ion cores. Six interactive screens cover metallic structure, electrical conductivity, thermal conduction, melting, malleability and alloys, with an A-level comparison of sodium, magnesium and aluminium. Pause, step and replay controls support discussion, while the layout keeps each demonstration and its explanation visible together.

Explore covalent bonding through animated dot-and-cross shell diagrams in the style of GCSE textbooks and exam papers. Select atoms or choose familiar molecules, then watch electrons form shared pairs. Investigate single, double and triple bonds, identify lone pairs, check completed outer shells and connect diagrams with molecular and displayed formulae. Additional sections explain the electrostatic attraction holding bonded atoms together and link the structures of molecular substances, diamond, graphite, graphene, silicon dioxide, fullerenes and polymers to their properties. Built-in diagram questions provide immediate feedback. Suitable for GCSE teacher demonstrations, guided exploration and independent revision.

Explore how temperature affects the rate and type of glacier movement. This interactive A-level geography simulation compares warm-based and cold-based glaciers, with close-up views of movement between ice crystals and deformation within individual crystals. Follow moving markers, switch between side and bird’s-eye views, and investigate how temperature and basal water pressure affect internal deformation and basal sliding. Designed to help students connect processes within the ice to the movement of an entire glacier.

Explore the impacts of groundwater abstraction through two animated simulations. Investigate how pumping lowers the water table inland, affecting wells, vegetation, river flow and ecosystems. Switch to a coastal aquifer to visualise saltwater intrusion as freshwater levels decline. Adjust abstraction rates and recharge, observe changes over time, and investigate what happens when pumping stops. Designed for A-level Geography students studying the water cycle and human impacts on groundwater systems.

Investigate how the different variables affect flood hydrographs

View the pH curves for different combinations of acid-base titrations and select the most appropriate indicator

Explore how temperature and particle position and movement change as substances are heated and change state

Learn how to draw pH curves for different combinations of strong and weak acids and bases

Simulate the diffusion tube experiment to investigate diffusion in liquids and gases and how temperature & particle mass affect the rate

Learn why some substances dissolve and why some don't

Understand how dynamic equilibria form an can be affected by altering conditions using an analogy

A Lotka–Volterra model of hares and lynx showing linked population cycles.

Heat or cool particles and watch them change between solid, liquid and gas.

Launch a ball and explore how angle and speed change range and height.

Change amplitude and frequency of a transverse wave and see wavelength respond.

Step through the five stages and watch birth rate, death rate and population change.