3D simulation of density Tower
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Physics
Giant Ionic Lattice and ionic bonding Simulation
Giant Ionic Lattice Simulation — Description The simulation shows a 5×4×4 NaCl lattice of 80 ions rendered in 3D using Three.js. Na⁺ ions appear purple and smaller, Cl⁻ ions appear green and larger, reflecting their real relative ionic radii. Yellow lines represent the electrostatic attraction between each Na⁺ and its six adjacent Cl⁻ neighbours. Students
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3D Simulation of power – Mechanical and Electrical
This simulation teaches power as the rate of energy transfer / work done. This approach matches the AQA GCSE Physics specification’s recommended emphasis that students understand power as how quickly energy is transferred (or how quickly work is done) and can apply (P = E/t) and (P = W/t) (and, for circuits, (P = IV).
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Simulation of Collision theory and rates of reaction curve
Collision Theory Simulation This is a 2D particle simulation of the reaction A + B → P, modelling the four factors that affect reaction rate through collision theory. Cyan circles (Reactant A) and orange circles (Reactant B) move around a reaction vessel, bouncing off walls and each other. Every time an A particle meets a
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3D Simulation of Earth’s gravitational field and Gravity well
Earth’s gravitational field Simulation Earth’s Gravitational Field is a 3D interactive simulation built on Three.js that lets students explore how gravitational field strength varies with distance from Earth’s centre. It visualises five core concepts through toggleable layers: radial field lines with inward-flowing particles (showing force direction and density), concentric equipotential shells with hover-activated physics data
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