The momentum builder draws before and after collision diagrams. Pick a scenario, set the masses and velocities, choose what to solve for, and the unknown stays hidden until you reveal it.
A hand-built replica of the real builder page, not a screenshot. Every control shown exists in the product.
Momentum questions live or die on the picture. Two cars head on, a trolley hitting a stationary one, an explosion, each needs its own before and after diagram, and drawing them for every variant eats preparation time. The scenarios come ready drawn with your numbers on them.
The unknown stays a question mark, so the class commits to a prediction before you reveal it. Choose what to solve for, the combined velocity here, and the diagram updates to match.
Diagnostic multiple choice. Each answer reveals what the class does and doesn't understand.
Answers revealed when you click. Great for starters or extension questions.
Match keywords to their definitions. Great for prior learning or end-of-lesson review.
Every tool turns a few inputs into a clean, exam-ready diagram.
Equation selection, rearrangement and substitution practice, step by step.
Free-body diagrams, resolve into components, find the resultant on GCSE graph paper.
Graph-paper lens, focal points and object for teaching ray construction.
Curated GCSE nuclear equations covering alpha, beta, fission, fusion and decay chains.
Build circuits from standard GCSE symbols and components.
Practical results tables with repeat readings, a mean and an optional anomaly, plus curated reference data.
Upload any diagram and the labels are suggested for you to drag, edit and blank.
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