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Turn science notes into a revision mind map you can explore

Upload a PDF, slide deck or typed notes and get a mind map of the topics, terms and processes you need to revise. Edit the branches, expand the parts you find hard and study from one clear page.

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

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How a science revision mind map helps

Science exams reward connections between ideas, and a science revision mind map shows those links at a glance. Seeing how a process, its inputs and its outputs sit together makes it easier to recall them under time pressure than a long list of bullet points.

Shows how biology, chemistry and physics topics relate to each other
Makes it easy to spot gaps in your notes before an exam
Lets you collapse familiar branches and focus on weak areas
Works from PDFs, slides, typed notes and photos of pages

Example science revision mind map branches

Cell structureNucleus controls activity · Mitochondria release energy · Cell membrane controls entry and exit · Ribosomes make proteins

Newton's laws of motionFirst law: inertia · Second law: F = ma · Third law: equal and opposite reactions

Covalent vs ionic bondingCovalent: shared electron pairs · Ionic: electron transfer from metal to non-metal · Ionic compounds have high melting points

PhotosynthesisLight-dependent reactions in thylakoids · Calvin cycle in the stroma · Produces glucose and oxygen

Plate tectonicsConvection currents in the mantle · Divergent, convergent and transform boundaries · Causes earthquakes and volcanoes

Generate the full set

Built from your material

Upload PDF, DOCX, PPTX, plain text or a photo of a textbook page. The map follows the structure of your own notes.

Editable and explorable

Rename branches, add sub-points or collapse sections you already know. Move around the map to see how topics connect.

Ready to test yourself

Turn any branch into flashcards or a quiz when you want to check recall, not just recognition.

How it works

Add your notes

Upload a PDF, slides or pasted notes from your science course.

Generate the map

DeckOwl sorts the content into a central topic, main branches and sub-points.

Revise and edit

Adjust the branches, fill gaps and study by following each path from the centre outward.

A useful map keeps each branch short. Use one branch for each major concept, such as cell structure, bonding or forces, and add only the definitions, equations and examples you need to remember. Revisit the map a few days later and redraw it from memory to find what has faded.

Because the map comes from your own notes or textbook pages, it reflects what your course actually covers. Edit it as your understanding grows rather than starting over each time.

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Frequently asked questions

How many branches should a science revision mind map have?

Most topics work well with 4 to 7 main branches, each with 3 to 5 sub-points. Keep each sub-point to a short phrase so the map stays readable at a glance.

How do I use a mind map to revise biology or chemistry?

Start with the big topic in the centre, then add branches for key processes, definitions and examples. Test yourself by covering a branch and redrawing it from memory.

Can I turn my lecture slides into a mind map?

Yes. Upload PPTX slides or a PDF handout and DeckOwl builds a starting map you can edit and expand.

Do I need to pay to use the mind map generator?

The free plan includes 3 generations per month and studying in the browser. Plus, at $99.90/year or $9.99/month, removes the generation limit and adds PDF, DOCX, Anki and CSV export.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.