Rocks + Weathering Flashcards
Erosion is…
The removal of rock particles by wind, water, ice, or gravity.
What is weathering?
The process that breaks down rock and other substances at Earth’s surface.
Uniformitarianism is…
Geoligst make inferences that today also shaped Earth’s surface millions of years ago based on the principle of uniformitarianism.
Mechanical weathering is…
When rocks are physically broken into small pieces.
Abrasion is…
Refers to the grinding away of rock by rock particles arrived by water, ice, wind, or gravity.
Ice wedging is…
The process of water freezing and thawing.
Chemical weathering is…
when rocks break down into smaller pieces with chemical changes.
Oxidation is…
Iron combines with oxygen in the presence of water in a process.
What is permeable?
Means that a material is full of tiny, connected air spaces that allow water to seep through it.
