Geology Flashcards
Remember Terms
geologist
Someone who studies the earth and rocks
landforms
Natural features of the earth’s surface
Terrain
The physical features of land
Flood
Large amount of water flowing over land
Ecosystem
Community of organisms interacting with each other
Sediment
Dust, sand, and materials deposited by water, wind or ice
Deposition
Settling of sediments
Erosion
Carrying away of weathered earth materials
Bedrock
Rock that forms the earth’s crust
Physical weathering
Process where rocks are broken down by hitting each other
Basin
Low-lying area where water may accumulate
Abrasion
Breaking and hitting of rocks against each other
Rock Falls
Rocks breaking off from a cliff
Debris Flow
Landslides of rock, mud, and soil
Chemical weathering
Rocks that are weathered due to a chemical reactions in water and air
Soil
Loose top layer of the earths crust
Differential Erosion
Different rates that materials are carried by water and ice
Humus
Dead animal and plant parts in soils
Cross Section
Water that has cut through layers of soil
Horisons
Layers of soil
Sedimentary rocks
Rock that form when layers of sediment get stuck together
Calcite
Calcium Carbonate mineral that reacts to the acid test
Delta
Fan-shaped deposit at the mouth of a river
Wenworth scale
Classifies rocks according to their size
