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CogniGuide

Earth Formation Concept Map for Students

See how Earth formed from the solar nebula, differentiated into layers, and cooled. Then create a map from your own notes, PDF or slides.

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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

Turn Your Earth Science Notes Into a Map

Build an earth formation map from your own lecture notes, textbook chapter or slides in minutes.

Build from your material

Upload a PDF, Word, PowerPoint or text file, or type a topic, and the AI organizes it into branches.

Clear structure for study

Stages, layers and processes are grouped so you can see how each step leads to the next.

Quiz and flashcards next

Turn the finished map into a quiz to test yourself, or make flashcards from the same notes.

How to Make an Earth Formation Map

Three steps from your notes to a map you can expand, study and share.

  1. 1

    Add your notes or topic

    Upload your earth science material or type earth formation as a topic.

  2. 2

    AI builds the map

    The generator groups the material into stages, layers and processes as branches.

  3. 3

    Study, expand and quiz

    Expand any branch, edit nodes, export a PNG or PDF, or turn the map into a quiz.

Earth Formation Concept Map Overview

An earth formation concept map traces how Earth formed about 4.6 billion years ago from a cloud of gas and dust around the young Sun. Accretion built up planetesimals, the early Earth melted, and heavier materials sank to form the core while lighter rock rose to form the mantle and crust.

  • Solar nebula: the collapsing cloud that formed the Sun and planets
  • Accretion: dust and rock clumping into planetesimals and then Earth
  • Differentiation: denser iron sinking to form the core
  • Layers: crust, mantle, outer core and inner core
  • Cooling and atmosphere: outgassing and the early oceans

Use the map to revise the sequence of stages and layers before an exam. Create your own version from your class notes to see how your teacher's material fits this structure.

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Earth Formation Questions Answered

Common questions about earth formation and how to map it.

How old is the Earth?

Earth is about 4.6 billion years old. Radiometric dating of meteorites and the oldest Earth minerals gives this age, which matches the timing of the solar system's formation.

What are the main layers of the Earth?

The main layers are the crust, mantle, outer core and inner core. The crust and upper mantle form the lithosphere, while the outer core is liquid iron and nickel and the inner core is solid.

Which file types can I use to build an earth formation map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images of your notes. You can also type earth formation as a topic and let the AI build the first version.

Can I turn the earth formation map into a quiz?

Yes. Once your map is created, you can turn it into a quiz to test yourself on stages and layers. The same notes can also become flashcards.