Erosion and Deposition
Gravity, wind, running water, waves, and glaciers.
A deep valley with steep sides eroded by a river.
What is a canyon?
The preserved remains or other evidence of living things that lived on Earth long ago.
What is a fossil?
Wind blows sand and soil away from weathered rock. When the wind stops, it drops the sand and soil in a new place.
What is the way wind causes erosion and deposition?
The land that gets covered by water from a stream or river during a flood.
What is a floodplain?
Petrification, molds & casts, imprints, and preserved remains.
What are types of fossils?
Excess water that runs over the top of soil and can carry it away.
What is runoff?
A curve or loop in a river.
What is a meander?
The type of rock that most fossils form in.
What is sedimentary rock?
These move downhill crushing rock, moving it to new places, and leaving new lakes when they melt.
What are glaciers?
A fan-shaped deposit at the mouth of a river.
What is a delta?
The principle that rock layers and the fossils they contain are arranges in layers and that lower sedimentary layers are older than higher layers of rock.
What is superposition?
Breaks down landscapes, carries away landscapes, and creates new landscapes elsewhere.
What is the process of weathering, erosion, and deposition?
A fan-shaped deposit formed when a fast-flowing stream flows out onto a dry area.
What is an alluvial fan?
If you find a fish fossil in a desert this is evidence that the land was _________.
What is "...once covered by water?"