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CogniGuide

Earth System Concept Map for Science Students

See how the spheres, energy flows and biogeochemical cycles connect. Then build a map from your own textbook notes, PDF or slides.

No credit card required

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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 Own Earth System Map

Turn your class material into a clear, expandable map of the Earth system.

Built From Your Materials

Upload lecture slides, a PDF chapter or class notes and the AI maps the key ideas.

Spheres and Cycles Branches

Each sphere, cycle and feedback loop gets its own branch you can expand further.

Quiz and Flashcards

Turn the map into a quiz or flashcards to test recall before your exam.

How to Make an Earth System Map

Three steps from your lecture material to a study-ready map.

  1. 1

    Add your material

    Upload notes, a PDF, slides or an image, or type the topic Earth system.

  2. 2

    AI builds the map

    The AI organizes spheres, cycles, interactions and feedbacks into branches.

  3. 3

    Study and expand

    Expand nodes, edit wording, then quiz yourself or export as PNG or PDF.

Understanding the Earth System Concept Map

An earth system concept map shows Earth as one connected system rather than separate parts. It divides the planet into the atmosphere, hydrosphere, geosphere and biosphere, then links them through energy flows, material cycles and feedback loops. Students use it to see how a change in one sphere ripples through the others.

  • Atmosphere: gases, weather and climate patterns
  • Hydrosphere: oceans, ice, rivers and the water cycle
  • Geosphere: rock, soil, plate tectonics and the carbon cycle
  • Biosphere: living organisms, photosynthesis and respiration
  • Feedbacks: loops that amplify or dampen change

Use the map to revise how the spheres connect and to trace cause and effect. CogniGuide can build a personalized earth system map from your own notes in minutes.

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Earth System Concept Map Questions

Answers on the Earth system and making your own map.

What are the four spheres of the Earth system?

The four main spheres are the atmosphere (air), hydrosphere (water), geosphere (solid Earth) and biosphere (living things). Each interacts with the others through energy and matter exchange, forming a single connected system.

What is a feedback loop in the Earth system?

A feedback loop is a process where an output of a change feeds back to influence that change. Positive feedback amplifies a change, such as melting ice reducing reflectivity, while negative feedback dampens it, such as increased plant growth drawing down carbon dioxide.

Which files can I use to make an earth system map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or an image of your notes. You can also just type a topic and the AI builds the map from it.

Is it free to create an earth system concept map?

Yes, there is a free plan with 5 creations a week and no payment needed. Paid plans raise those limits.