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CogniGuide

Earth System Concept Map for Students

See how the atmosphere, hydrosphere, geosphere and biosphere connect. Then turn your own textbook or lecture slides into a map.

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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 Your Earth System Map

Start from your course material and let AI organize the spheres, cycles and links.

Map from your own notes

Upload a PDF, slides or lecture notes and get a branched map of your course content.

Expand any sphere

Click a node such as the carbon cycle to ask AI for more detail on sub-processes.

Quiz yourself from the map

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

How to Make an Earth System Concept Map

Three steps from your reading to a clear, editable map of Earth's systems.

  1. 1

    Add your material

    Upload your Earth science notes, a chapter PDF, slides or an image of a diagram.

  2. 2

    AI builds the map

    CogniGuide organizes the spheres, cycles and feedback loops into branches.

  3. 3

    Study, expand and quiz

    Edit nodes, expand weak areas, then export as PNG or PDF or test yourself.

Understanding the Earth System Concept Map

An Earth system concept map shows Earth as a set of linked parts rather than separate topics. The map is usually divided into four spheres: the atmosphere (air and climate), the hydrosphere (water in oceans, lakes and ice), the geosphere (rock, soil and the interior) and the biosphere (all living things). Arrows show how energy and matter move between them through cycles and feedback loops.

  • Atmosphere: gases, weather and climate patterns
  • Hydrosphere: the water cycle and ocean circulation
  • Geosphere: plate tectonics, rock cycle and soils
  • Biosphere: ecosystems, photosynthesis and respiration
  • Cycles: carbon, nitrogen and water movement between spheres

Use the map to review how one change, such as higher carbon dioxide, affects several spheres at once. To build a version tailored to your own course, CogniGuide can generate a personalized map from your notes.

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Earth System Concept Map Questions

Common questions about Earth system maps and how to make your own.

What are the four spheres of the Earth system?

The four spheres are the atmosphere (air), hydrosphere (water), geosphere (solid Earth) and biosphere (living organisms). Earth system science studies how these spheres interact and exchange matter and energy.

Why is a concept map useful for Earth system science?

Earth system topics involve many linked cycles and feedbacks. A map shows how a change in one sphere, such as the carbon cycle, can influence the others, which is hard to see in a linear text.

Which files can I use to make my own Earth system map?

You can upload PDF, Word or PowerPoint files, text or Markdown files, or images. You can also type a topic directly and let the AI build the first map.

Can I turn my Earth system map into a quiz for free?

Yes. The free plan includes 5 creations a week with no payment needed. You can turn a finished map into a quiz to test yourself or create flashcards from the same notes.