LANDFORMS
Low area between hills or mountains.
What is a valley?
The process by which rocks are broken down by breaking and banging
What is physical weathering?
The process where sediments are moved to a different location
What is erosion?
A mix of clay, silt, sand and organic material
What is soil?
Sediment size from smallest to largest
Clay, silt, sand, gravel, pebble, boulder
high, flat land with steep sides
What is a plateau?
The process where water seeps into the cracks and splits rock
What is Frost wedging?
3 ways earth is carried away
What is wind, water, or ice?
The process by which loose grains are converted into rock
What is lithification?
a natural feature of Earth's surface with a characteristic shape
What is a landform?
Wetlands formed where a river deposits sediment
What is a delta?
occurs when plant roots work into cracks and split rock
What is root wedging?
The settling of sediments in a new location
What is deposition?
Oldest rock layers are at the bottom and newer younger layers are at the top
What is superposition?
Faster moving water upstream causes this
What is erosion?
land higher than surrounding areas
What is a mountain?
The type of weathering where it changes the composition of rocks
What is chemical weathering?
The two processes that help shape the Grand Canyon
type of rock that fizzes with acid because it contains calcite
What is limestone?
Two "c" words that are involved in lithification
What is compaction and cementation?
This type of weathering is when Acid falls and reacts with minerals that dissolve and weaken it.
What is chemical weathering and acid rain
Deposition happens here - name 3 places
What is Beaches, sand dunes, lakes, ocean floor, deltas
Material deposited by water, wind, or ice
What is sediment?
A footprint is this type of fossil
What is a trace fossil?