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In graph Frontier
PhysicsGeographyStatistical PhysicsMeteorologyEstablished

Temperature

A measure of average thermal energy; global average temperature is a key climate indicator.

TemperatureThermal energyGreenhouse effectClimateHeat transferKinetic theoryIdeal gas lawPhase changeAbsolute zero

At a glance

Type
—
Disciplines 4
PhysicsGeographyStatistical PhysicsMeteorology
Mental models 0
—
Role in the graph
Cross-disciplinary bridge
reaches 8 discipline lenses

Key signals

Cross-disciplinary reach
Disciplines
4
  • Physics
  • Geography
  • Statistical Physics
Evidence & development

Dependencies

What this concept builds on and what it makes possible — derived from the atlas’s dependency, causal and structural relations, not from every related edge.

Foundations · builds on

TemperaturerequiresThermal equilibriumEstablished

Open Thermal equilibrium →

Temperature requires Thermal equilibrium.

Enables · leads to

Canonical ensemblerequiresTemperatureEstablished

Open Canonical ensemble →

Canonical ensemble requires Temperature.

Circumstellar habitable zonedepends onTemperatureEstablished

Open Circumstellar habitable zone →

circumstellar habitable zone depends on Temperature.

Mechanism: The habitable zone is the orbital band where a planet's temperature allows liquid water.

Sources:
Equipartition theoremdepends onTemperatureEstablished

Open Equipartition theorem →

Equipartition theorem depends on Temperature.

Heat transferdepends onTemperatureEstablished

Open Heat transfer →

heat transfer depends on Temperature.

Mechanism: Heat flows spontaneously from higher to lower temperature until the two reach thermal equilibrium.

Sources:
Phase changedepends onTemperatureEstablished

Open Phase change →

phase change depends on Temperature.

Mechanism: A phase change depends on temperature: each substance melts or boils at a set temperature where added energy breaks bonds instead of heating.

Sources:

System context

Temperatureis part ofClimateEstablished

Open Climate →

Temperature is part of climate.

Mechanism: Average temperature over years is one of the main measures that define a climate.

Why we say this:
  • What is the difference between weather and climate? (NOAA) — demonstrates this case · verified · Climate is the long-term statistics of weather variables such as temperature.
Absolute zerois aTemperatureEstablished

Open Absolute zero →

absolute zero is a kind of Temperature.

Mechanism: Absolute zero is the lowest possible temperature, where a system reaches its minimum thermal energy.

Sources:

Structural role & consequence

Interpreted from the current atlas graph — what the connections mean, not just how many there are.

  • Removing this node lengthens the structural route between Circumstellar habitable zone and Reaction rate from 2 to 7 steps (they stay connected — alternative routes exist).

    structural · Structural removal simulation — not a historical or causal counterfactual.

  • Currently dark in the atlas: no key date stored · 12 of 14 of its relations lack claim-level evidence.

    atlas representation · Describes the current Thinking OS representation, not the state of the world.

  • Builds on 1 foundation (requires / depends-on / derived-from / emerges-from).

    structural · Structural graph analysis — not a claim of importance, causation or history.

  • Structural neighbourhood: 14 → 67 → 162 concepts reachable within 3 hops.

    structural · Structural reach — being reachable is not the same as being understood.

14%

cross-field
12 within-field, 2 cross-field

2 of 14 relations carry evidence · concept has a verified source

Strengths & constraints

Constraints

  • Evidence coverage currently thin in the atlas — few of its relationships carry claim-level evidence. atlas representation
  • No dated history stored — the atlas records no key date for this concept. atlas representation

Conditions

  • Its dependency reading rests on 1 foundation relation. structural
  • Read structurally — most of its relationships carry no external evidence yet, so claims here are graph-derived. structural

Dependency radial

What this concept builds on (left) and what it makes possible (right) — derived from dependency and causal relations.

Thermal equilibriumCanonical ensembleCircumstellar habitable…Equipartition theoremHeat transferPhase changeTemperature◀ builds onenables ▶

What builds on this

7 concepts build on this directly, 9 in total, across 11 disciplines.

AstronomyAtmospheric ScienceChemical EngineeringChemistryEarth & Space SciencesEngineeringMeteorologyPhysical ChemistryPhysicsStatistical PhysicsThermodynamics

Structural downstream reach along dependency edges — not a claim of historical necessity.

Seen through each discipline

How this concept sits in each of its fields — derived from its real connections in the graph, not asserted.

Physics

Through this lens it connects to Climate, Greenhouse effect, Heat transfer and Ideal gas law.

Temperature through the Physics lens →

Geography

Through this lens it connects to Climate and Greenhouse effect.

Temperature through the Geography lens →

Statistical Physics

Through this lens it connects to Canonical ensemble, Thermal equilibrium and Equipartition theorem.

Temperature through the Statistical Physics lens →

Meteorology

Through this lens it connects to Climate and Weather.

Temperature through the Meteorology lens →

Where you'll meet it

Journeys that walk you through this idea. You may recognise it from more than one.

From a Leaf to the Climate

Concepts that look related but are not yet connected here — candidates for a connection to reason about, not established links.

This idea also appears in…

The same structure shows up in other disciplines. These are real recurrences drawn from the graph — a starting point for asking “what carries over, and what changes?”

Concepts

Curriculum alignment

Austria · AHS Oberstufe · Physik

Appears in official curriculum objectives

  • Understand energy, energy conservation, entropy and the laws of thermodynamics, and sustainable use of energy. · 5. Klasse (1. und 2. Semester)
    Exact wording: „Thermodynamik: Energie, Energieerhaltung, Teilchenmodell, Entropie, thermodynamische Hauptsätze, nachhaltiger Umgang mit Energie“

    How this official objective connects, through canonical knowledge, to what a learner actually does — each link is real data, never a coverage claim.

    Canonical concept

    Energy namedTemperature supports
    named — The objective's own wording names this concept.
    supports — Helps meet the objective, but is not strictly required.

    Relations & mental models

    Mental models these concepts carry: Energy transformationStocks and flows

    Journey

    Journeys that walk concepts relevant to this objective

    From a Leaf to the Climate

    Activity → Observable evidence

    No pilot activity yet engages these concepts directly.

    Sits under the variant 'schools with more than seven weekly Physik hours in the Oberstufe'.

    Provenance
    Authority
    BMBWF
    Document
    Lehrpläne AHS (RIS Gesetzesnummer 10008568, Stammfassung BGBl. Nr. 88/1985)
    Section
    Anlage A · Physik · Oberstufe, 5. Klasse (Thermodynamik)
    Version
    Bundesrecht konsolidiert, Fassung vom 2026-09-17 (zuletzt geändert BGBl. II Nr. 204/2024)
    School type
    AHS Oberstufe
    Subject
    Physik
    Stage
    upper-secondary
    Accessed
    2026-09-17

    ✓ Source verified

Pilot slice: mapped to selected official objectives, not a coverage claim. Concept identity is canonical and never redefined by a curriculum.

The scientific picture
  • Connects 14 other ideas across 4 disciplines.
  • A cross-disciplinary bridge — its connections reach into 8 other fields.
  • Most of its connections are of the “Dependency” kind.
  • It supports 1 curriculum objective.
  • It features in 1 learning journey.

Derived from the graph’s real structure — observations, not a score.

Sources