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Turn any science PDF into a quiz with AI

Upload a textbook chapter, lecture slides or photos of your notes. DeckOwl writes the questions and explanations, and you can practice in the browser for free.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free account · 3 sets a month · Creates quizzes in seconds

Why a custom science quiz beats a generic printable

Most printable science quizzes cover a generic syllabus, not the chapter your instructor actually assigned. A PDF science quiz built from your own readings targets the terms, diagrams and examples your course uses.

Generate questions from the exact PDF your class is using
Mix multiple-choice, true/false and short answer formats
Read an explanation for every answer, right or wrong
Students get 40% off Plus with a school email

Example science quiz questions

What organelle produces most of a cell's ATP?The mitochondrion. It carries out cellular respiration, which converts the energy in glucose into ATP.

True or false: In a vacuum, a heavier object falls faster than a lighter one.False. Without air resistance, gravity accelerates all objects at the same rate, about 9.8 m/s near Earth's surface.

What is the pH of pure water at 25 °C?7. Pure water is neutral because its hydrogen and hydroxide ion concentrations are equal.

Which gas do plants take in for photosynthesis?Carbon dioxide. Plants combine it with water using light energy to make glucose and release oxygen.

What does Newton's second law state?Net force equals mass times acceleration (F = ma). A larger net force or smaller mass produces a greater acceleration.

Generate the full set

Reads your own material

Upload PDF, DOCX, PPTX, plain text or photos of pages. Images are read with text recognition, so handwritten-to-typed notes work too.

Mixed question types

Get multiple-choice, true/false and short answer questions, each with an explanation of why the correct answer is right.

Study with spaced repetition

Missed questions come back on a schedule, so you review the science ideas you are most likely to forget.

How it works

Upload your source

Add the chapter PDF, slide deck or notes you were assigned. No credit card is needed to start.

Choose a question type

Pick multiple-choice, true/false or open questions and set how many you want from the material.

Practice and review

Answer in the browser, read each explanation, and revisit the questions you missed.

Multiple-choice questions test recognition, while true/false and short answer questions push you to explain why something happens. Every question includes an explanation, so a wrong answer becomes a lesson instead of a dead end.

Free accounts get 3 generations per month and can study in the browser. Plus adds unlimited generations and PDF, DOCX, Anki and CSV export for $99.90/year or $9.99/month.

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Frequently asked questions

How many questions should a science quiz from one chapter include?

Ten to twenty questions usually covers the key ideas in one chapter. Mixing multiple-choice with true/false helps you catch misconceptions, and the headings and bolded terms in your notes are a good place to start.

What is the best way to study the science questions I get wrong?

Read the explanation, then restate the concept in your own words before trying the question again. Retrying missed questions after a delay works better than rereading the chapter.

Can I export my science quiz to PDF?

Yes, PDF export is included on the Plus plan at $99.90/year or $9.99/month. Free accounts can study in the browser but cannot export.

Does it work with scanned pages or slides?

Yes, DeckOwl accepts PDF, DOCX, PPTX, plain text and images. Photos of pages are read with text recognition.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.