Constructive/deconstructive
A volcano erupts and destroys a whole town.
A hole in the earth's crust that lava, ash, and molten rock spew out of.
What is a volcano?
A destructive force that breaks apart rock. Example: Ice wedging.
What is weathering?
What is a hill?
A river deposits sediments as it meets another body of water creating a delta.
What is a constructive force?
A hill of sand formed and shaped by the wind.
What is a sand dune?
A destructive force where sediments are moved from one place to another.
What is erosion?
Deep valleys with steep sides found mainly throughout the Southwest United States. The largest is found in Arizona and was carved by the rushing water of the Colorado River.
What is a canyon?
Water freezes in cracks and breaks the rock apart as the ice expands.
What is a destructive force?
A landform that is much higher than the surrounding land. They often occur in groups called ranges. some have tall, jagged peaks. Others, are low with gentel, rounded slopes.
What is a mountain?
A constructive force where sediments are placed in a new area.
What is Deposition?
Weathering and erosion do the same thing to rocks.
What is false?
A mountain is formed from a converging fault line.
What is a constructive force?
A large, flat landform with very little difference in elevation. For example, Oklahoma has very flat land.
What is a plain?
A river moving broken down rocks down stream.
What is an example of erosion?
Weathering and erosion change what the Earth's land looks like.
What is true?
A volcano erupts destroy a seaside town but as it the water it cools to create a new peninsula.
What is both a constructive and destructive force.
The spanish word for "table", it is a tall, flat-topped rock feature that was created by running water which erodes the surrounding rock.
What is a mesa?
What is an example of deposition?
These are long narrow piles of sand that help protect the mainland from wave erosion. Rather than being moved by wind, this sand is moved by the ocean waves and currents.
What is a barrier island?