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Short rounds that test the same ideas in different ways, made from the site's formulas, glossary, quiz and worked solutions. Right answers earn XP when signed in. For spaced review, use flashcards.
Fill the gap
A formula with one symbol boxed, or a definition with its term taken out. Pick or type what goes there.
10 gaps - 181 itemsMatch up
Pair formula names with their equations and terms with their definitions. Tap or drag.
2 boards of 6 pairs - 77 itemsOrder the steps
A worked solution cut into its steps and shuffled. Put them back in the order you would write them.
5 solutions - 44 itemsTrue or false
Statements from the formulas, glossary and quiz, some quietly wrong. As many as you can in 60 seconds.
60 seconds - 323 itemsUnit sense
What are the SI units of this quantity? Built from the formula symbol tables.
10 quantities - 136 itemsMixed exam
A timed set across two or more modules: multiple choice, gaps and short calculations, switching topic like a real paper.
12 questions, timed - 435 items