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Seafloor Spreading Concept Map for Earth Science Students

See how magma, ridges, magnetic stripes and subduction connect in one map. Then generate your own from class notes or a textbook PDF.

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CogniGuide at a glance

What you get
Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
Exports
Your first PDF or PNG export is free; Plus exports anytime.
Price
Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
Sign-up
A free account is required before you create anything (Google or email). No credit card.
What you can upload
PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.

How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify

Build a Seafloor Spreading Map From Your Material

Start from your own notes, slides or a topic name, and get a map you can expand and test yourself with.

Map from your own notes

Upload a PDF, Word file, PowerPoint or text file, and the AI turns your lecture material into branches.

Structure for every process

Ridges, magma, spreading, magnetic striping and subduction appear as linked branches you can follow step by step.

Quiz and flashcards next

Turn the finished map into a quiz, or create flashcards from the same notes to check what you remember.

How to Make a Seafloor Spreading Concept Map

Three steps from your notes or a topic name to a map you can study and export.

  1. 1

    Add your material

    Upload your notes, slides or textbook PDF, or simply type seafloor spreading as the topic.

  2. 2

    AI builds the map

    The AI organizes the process into a branching map with expandable nodes for each stage.

  3. 3

    Study, quiz and export

    Expand weak branches, edit wording, take a quiz from the map, then export as PNG or PDF.

Seafloor Spreading Concept Map: Key Ideas Explained

Seafloor spreading is the process by which new oceanic crust forms at mid-ocean ridges and moves away from them. Magma rises from the mantle through cracks, cools into new rock, and pushes older crust outward. This process is a central part of plate tectonics and explains how ocean basins grow and close over millions of years.

  • Mid-ocean ridges: where plates separate and new crust forms
  • Magma upwelling: molten rock rising from the mantle to fill gaps
  • Magnetic striping: symmetric bands recording reversals of Earth's field
  • Age of crust: rock gets older with distance from the ridge
  • Subduction zones: where oceanic plates sink back into the mantle

Use a seafloor spreading map to revise the sequence of events before an exam. Expand each branch, then generate a personalized version from your own notes with CogniGuide.

Seafloor Spreading Concept Map Questions

Answers about the process and how to make your own map.

What evidence supports seafloor spreading?

Magnetic stripes on either side of mid-ocean ridges mirror each other, and rock ages increase with distance from the ridge. Both patterns match the idea that new crust forms at the ridge and moves outward.

How fast does seafloor spread?

Spreading rates vary by ridge, from a few centimeters to over ten centimeters per year. Slow and fast ridges produce different seafloor shapes.

Which file types can I use to make my map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images. You can also just type a topic.

Can I turn my seafloor spreading map into a quiz?

Yes. Once the map is created, you can turn it into a quiz to test yourself. The same notes can also become flashcards.