Investigation & Experiment Tools
Why are you here? New to the PDSA? Get the 60-second rundown on what to do and when to submit. New here, or not sure where to start? See how questions, tools and experiments all connect — there's no single right way in. Most useful, in orderScience Mystery Black Box
Probe an unknown system and use evidence to figure out what's inside.
GameThe Curious Combinator
Draw cards from four decks to combine an object, property, situation and constraint into a testable research question.
Measurer
phyphox turns the sensors already in your phone into a real physics lab. phyphox.org
Hypothesis Tester
A Plan-Do-Study-Act warm-up: predict an outcome, test it, then try to falsify your own hypothesis.
BuilderExperiment Builder
Step-by-step guidance for designing a scientific investigation from a question.
BuilderPoster Builder
Design and build a scientific investigation poster for your PDSA entry.
After-Image Effect Experiment
Experience colour adaptation and afterimage effects with coloured filters.
GeneratorAfter-Image Generator
Create and download custom afterimage illusion images for experiments.
AssistantPDSA AI Investigation Assistant
Chat with an AI assistant to help plan, refine, and troubleshoot your PDSA investigation — joins the class space on MagicSchool AI.
VisualizerClass Results Scatterplot
For the PDSA Masterclass experiment — paste in the class's Form responses to plot and compare results by variety.
Reference30 Second Lessons
Quick visual explainers covering key science concepts.
Templates & Examples
External Activity Links
Google Forms-based activity guides used during Questions in Science sessions.