Earth Science

The structure and processes of planet Earth.

Subcategories

• Meteorology — The study of the atmosphere and the weather it produces.
• Oceanography — The oceans: currents, waves, chemistry, and their role in the climate system.

Articles (5)

• The Little Ice Age
  The period of regional cooling from roughly 1300 to 1850 — glacial advances, frozen rivers, failed harvests — and what it reveals about climate sensitivity.
• Reading Topographic Maps and Using a Compass
  How contour lines encode terrain, how to orient a map, take a bearing, and find your position — the durable skill set behind every navigation app.
• Water Cycle
  The continuous movement of water between atmosphere, land, and oceans through evaporation, condensation, precipitation, and runoff.
• Greenhouse Effect
  The warming of Earth's surface by greenhouse gases that absorb and re-emit infrared radiation, keeping the planet habitable.
• Plate Tectonics
  The theory that Earth's outer shell consists of moving plates whose interactions build mountains, open oceans, and trigger earthquakes and volcanoes.

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