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100
A mountain formed by lava and ash.
What is a volcano?
100
A person who studies fossils.
What is a paleontologist?
100
This river formed the Grand Canyon.
What is the Colorado River?
100
A large hole in the ground that suddenly opens up.
What is a sinkhole?
100
The inner layer of the earth.
What is the core?
200
The remains or traces of past life found in sedimentary rock.
What is a fossil?
200
The islands formed when an underwater volcano erupted melted rock and ash.
What are the Hawaiian Islands?
200
The middle layer of the earth.
What is the mantle?
200
A super continent containing all of earth's land that esisted millions of years ago.
What is Pangea?
200
The outer layer of the earth.
What is the crust?
300
The downhill movement of rock and soil due to gravity.
What is mass movement?
300
The main source of erosion.
What is water (or wind)?
300
A mudslide is an example of this kind of movement.
What is a mass movement?
300
The process of breaking rock into soil, sand, or other tiny pieces.
What is weathering?
300
The number of plates that cover the earth's surface.
What is twelve?
400
The theory of how Earth's continents move over it's surface.
What is Continental Drift?
400
Most of earth's surface is made of this.
What is rock?
400
Two forces that constantly cause landforms to change.
What are (water, waves, wind, ice)? Must name two.
400
A physical feature on earth's surface.
What is a landform?
400
This takes place very slowly over time.
What is erosion?
500
The process of moving sediment from one place to another.
What is erosion?
500
A wide volcano with steep slopes.
What is a composite volcano?
500
A volcano made of mostly lava and has gentle slopes.
What is shield volcano?
500
The process of dropping sediment into new location.
What is deposition?
500
A volcano that is tall and narrow with steep slopes.
What is a cinder cone volcano?