The infrared radiation required practical produces two graphs, a surface heating under a lamp until it reaches equilibrium, and a hot surface cooling with no lamp. The graph builder draws both for matt black, matt white and shiny silver, with the lamp distance and the object as options, so the class compares real curves instead of a sketch.
A hand-built replica of the real builder page, not a screenshot. Every control shown exists in the product.
Part of the Graph builder, Half life graphs, Velocity time graphs, IV characteristic graphs and Distance time graphs pages.
The heating graph above shows the three surfaces climbing from room temperature and flattening as each reaches the point where it emits as fast as it absorbs. Matt black settles highest and soonest, shiny silver lowest and slowest, and the gap between them is the answer to the question the practical is asking. Moving the lamp further away lowers every plateau, which is the control variable the method insists on.
The cooling graph reverses it, and this is where pupils trip. They expect the black surface to stay hot because it absorbed the most, and instead it cools fastest because a good absorber is a good emitter. Two curves from the same starting temperature make that visible in one glance, and the crosses at every minute are the readings a pupil would take.
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.
Decay curves for real isotopes with the half life read off a dashed construction line.
Braking, acceleration and terminal velocity scenarios on GCSE graph paper, with the area under the line as distance.
Ohmic conductor, filament lamp and diode on symmetric axes, the required practical graphs in one click.
Journeys you edit point by point on GCSE graph paper, with a tangent tool that reads the speed off the gradient.
Equation selection, rearrangement and substitution practice, step by step.
Free-body diagrams, resolve into components, find the resultant on GCSE graph paper.
Before and after collision diagrams with selectable unknowns and a step-by-step reveal.
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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