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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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the study of how the earth's atmosphere works, including weather forecasting. Use this tag for questions about the earth's weather. When asking questions specifically about the atmosphe…
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The science comprising the study of the rocks Earth is composed of, and the processes by which they change. Some subfields of geology are petrology, mineralogy, and geophysics.
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For help in identifying objects such as rocks, minerals, clouds, ... Please follow this guide when asking for rock identification:
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The gaseous mass or envelope surrounding the *Earth*, and retained by the Earth's gravitational field. If your question is about the atmosphere on another celestial body or is more astronomy related, …
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a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment.
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Questions about changes of the climate system, including questions about global warming.
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Average weather conditions for a particular area measured over multiple years or decades. For questions on climate change use the [climate-change] tag.
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Questions regarding large bodies of salt water known as oceans. These bodies comprise about 70% of the Earth's surface.
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the branch of Earth science that studies the ocean. It is also known as oceanology.
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The science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems.
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an objective measure of hot and cold, typically measured by a thermometer.
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The properties and behaviour of volcanoes.
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questions relating to the scientific study and identification of minerals.
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Questions regarding a sudden release of seismic waves into the Earth's crust.
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divided into several plates that glide over the mantle, the rocky inner layer above the core.
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the study of the properties and behaviour of water. It concerns both surface as well as subsurface water, although water in the oceans and atmosphere is generally excluded. Those are stud…
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For questions about the study of earthquakes and various seismic sources.
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A tag for questions about conceptual, analytical or numerical models used in Earth science disciplines.
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Questions relating to Historical Geology.
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concerned with or nested within the field of Geography; the study of lands, their features, and the relationships and complexities between and among peoples, the physical enviro…
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The multi-disciplinary study of the geomorphology, geology, chemistry, meteorology, oceanography, hydrology, astronomy and astrophysics of the planets and other objects within the solar system.
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In meteorology, a cloud refers to a visible group of liquid droplets and/or frozen crystals made of water or various chemicals, suspended in the atmosphere.
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Questions about the application of weather data in meteorology/forecasting.
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any form of moisture that falls from a cloud and reaches the ground. Precipitation can fall to the ground as rain, snow, sleet, hail, graupel... etc.
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Sedimentology encompasses the study of modern sediments such as sand, mud, and clay, and the processes that result in their deposition.
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a rapidly-rotating storm system characterized by a low-pressure center, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain. Depending on its location…
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Mathematical models used for studying the dynamics of climate systems or predicting future climates.
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Questions regarding the height of the ocean's surface.