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Stack #4633001
| Question | Answer |
|---|---|
| weathering | the in-situ (on-site) breakdown of rocks, soils, and minerals through physical, chemical, or biological processes caused by atmospheric conditions, water, and organisms |
| physical weathering | the process of breaking down rocks, minerals, and soils into smaller pieces without changing their chemical composition. |
| abrasion | the mechanical process of wearing, grinding, or scraping away surfaces through friction and impact, caused by moving particles in wind, water, or ice |
| chemical weathering | the process where rocks and minerals are broken down, altered, or dissolved through chemical reactions, changing their original molecular structure and composition rather than just their size |
| oxidation | the loss of electrons by a molecule, atom, or ion during a reaction. |
| acid precipitation | Primarily caused by burning fossil fuels in power plants, industrial boilers, and motor vehicles. |
| erosion | the geological process in which earth materials—soil, rock, and sediments—are worn away and transported by natural forces like water, wind, or ice |
| deposition | the settling of sediment (sand, soil, rocks) transported by water, wind, or ice to new locations, creating landforms. |
| delta | a landform created at the mouth of a river where it deposits sediment (silt, sand, clay) as it slows upon entering a standing body of water like an ocean, lake, or wetland |
| alluvial fan | cone- or fan-shaped landforms created when fast-moving, sediment-laden mountain streams suddenly lose velocity and deposit debris—ranging from boulders to sand—upon reaching a flat valley floor. |
| groundwater | fresh water located beneath the Earth's surface, filling the pore spaces, cracks, and fractures in soil, sand, and rock formations |
| shoreline | the interdisciplinary study of the dynamic boundary where land meets water (oceans, lakes, rivers), focusing on the physical, geological, and ecological processes that shape coastlines |
| beach | the study of the dynamic, ever-changing environment where land meets water (oceans, lakes, or rivers). |
| sandbar | studying the geological, physical, and ecological processes behind the formation, movement, and impact of submerged or exposed ridges of sand. |
| dune | a hill, ridge, or mound of accumulated sediment—typically sand—formed by the action of wind or water, acting as a dynamic, evolving landform in desert or coastal environments. |
| loess | the study of loess, a wind-deposited, largely silt-sized sediment (often from ice-age glacial dust) that covers10% of Earth’s land. |
| glacier | large, perennial accumulations of ice, snow, and rock that form on land and flow downhill under their own weight |
| glacial drift | the comprehensive term in geology for all rock material—ranging from boulders to clay—transported and deposited by glaciers or their meltwater |
| creep | the slow, time-dependent, and permanent deformation of solid materials subjected to persistent mechanical stress, often occurring at high temperatures. |
| rockfall | the study of the detachment, movement, and deposition of rock fragments from cliffs or steep slopes, involving free-falling, bouncing, rolling, and slidin |
| landslide | the interdisciplinary study of the movement of rock, soil, or debris down a slope under gravity, encompassing its causes (rainfall, earthquakes, volcanoes, human activity), mechanisms (falls, slides, flows), and impacts. |
| mudflow | a rapid, downhill flow of saturated soil, rock debris, and water, behaving like a viscous liquid. |
| mountain | |
| lake | |
| river | |
| coastline |
Created by:
Laylani colon