Turn your notes into an editable obsidian mind map
Upload lecture slides, a textbook chapter, or your own notes and get a mind map you can rearrange, expand, and explore one branch at a time.
Why map obsidian out before an exam
An obsidian mind map helps when a geology exam asks how volcanic glass forms, what it is made of, and how it differs from other igneous rocks. Those facts often sit in different chapters, so seeing them linked on one page makes recall easier.
- Shows how cooling rate leads to glass instead of crystals
- Groups physical properties like fracture and hardness together
- Keeps historical uses and modern applications in separate branches
- Lets you edit the map after it is generated
Built from your files
Upload PDF, DOCX, PPTX, plain text, or a photo of a page and the main ideas become connected branches.
Editable branches
Rename, move, or add nodes so the map matches how your course organizes the material.
Explorable structure
Expand and collapse sections to test yourself on one part of the topic before moving to the next.
How it works
Upload your material
Add a geology handout, lecture slides, or typed notes on obsidian.
Review the generated map
Check the main branches and edit anything that is missing or off target.
Explore and study
Click through the sub-points, then turn sections into flashcards or a quiz when you are ready.
DeckOwl reads PDFs, DOCX, PPTX, plain notes, and photos of pages, then builds a map you can edit and explore branch by branch. Starting from your own lecture slides means the branches match what your instructor covers, not a generic diagram.
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Frequently asked questions
How do I study obsidian for a geology exam?
Start with how it forms from rapidly cooled silica-rich lava, then learn its composition and physical properties. Test yourself on each branch separately before combining them.
What obsidian facts are most often tested?
Common questions cover formation, conchoidal fracture, a hardness near 5 to 5.5 on the Mohs scale, and the difference between obsidian and other igneous rocks. Knowing why it lacks crystals is a frequent exam point.
Is the mind map free to make?
The free plan includes 3 generations per month and lets you study in the browser. Exports such as PDF or DOCX require the Plus plan at $99.90/year or $9.99/month.
Does DeckOwl connect to the Obsidian notes app?
No. DeckOwl builds its mind map from the files you upload and works separately from the Obsidian app.
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