Definitions
The study of Earth's physical structure, its history and the processes acting on it
What is geology?
Outermost layer of Earth
What is the crust of the earth?
plains formed by rivers carrying along large amounts of sediments as they flow
What are alluvial plains?
when large rocks are broken into small rocks from physical forces such as ice, temperature changes, and abrasion of sand or running water
What is physical weathering?
The preserved remains of a once-living organism
What are fossils?
the middle layer of Earth right below the crust
What is the mantle?
Similar to a volcanic mountain but more rounded (domed)
What is a domed mountain?
When minerals in rock chemically react with air or water, changing their composition
What is chemical weathering?
Inorganic crystalline substances found naturally in the Earth
What are minerals?
rock of the mantle that is more like a thick, syrup-like material
What is plastic rock?
Plains formed when a glacier scrapes along the ground and then melts, leaving its sediments behind
What are glacial plains?
the process of wearing or griding something down by wind, water, or other natural agents
What is erosion
The decayed remains of once-living creatures
What is humus?
Earth's center
What is the Earth's core?
Mountain with lava accumulated in it
What is a volcanic mountain?
large, flat topped hills surrounded by flatlands
What are mesas?
The process of wearing or grinding something down by wind, water, or other natural agents
What is erosion?
Extremely hot liquid at the center of the Earth
What is molten material/magma?
mountain formed by an upward-moving mass of rock
What is a fault-blok mountain?
Smaller steep-sided prominences
What are buttes?