Forces Shaping Land
Large Landforms and Plate Tectonics
Terms
More Terms
MISCELLANEOUS
100
This forms when weathering breaks rocks into smaller particles of mud, sand, and/or gravel.
What is SEDIMENT?
100
An elevated flatland; type of landform.
What are PLATEAUS?
100
The shock waves, or vibrations, caused by movement along a fault.
What is an EARTHQUAKE?
100
This is a landform of level ground built by sediment deposited by a river or stream.
What is a FLOODPLAIN?
100
Scientist believe the earth is divided into ________ or more slowly moving plates.
What is 12?
200
This is the most powerful force of erosion and transportation.
What is WATER?
200
Theory that states that the earth's crust is divided into more than a dozen rigid, slow-moving plates; only move a few inches per year.
What is PLATE TECTONICS?
200
What results when rock layers are bent.
What is a FOLD?
200
This is small differences in elevation; older landforms usually have less than younger landforms.
What is RELIEF?
200
The name given to the large super-continent present about 200 million years ago.
What is PANGAEA?
300
The two kinds of glaciers are ______________ ______________ and mountain glaciers.
What are SHEET GLACIERS?
300
A chain of mountains that is located on the oceans floor; extends more than 40,000 miles.
What is the MID-OCEAN RIDGE?
300
The name of the layer of the earth that is just under the crust.
What is the MANTLE?
300
This is a long valley on the ocean floor; can be more than 600 miles long, 60 miles wide, and 7 miles deep.
What is a TRENCH?
300
The name of the earth's single ocean during the days of the super continent 200 million years ago.
What is PANTHALASSA OCEAN?
400
There are more than 1,000 of these in the Rocky and Cascade Mts.; they are very common and are found in high valleys all around the world.
What are MOUNTAIN GLACIERS?
400
Happens when a heavier plate dives under the other plate and sinks into the upper mantle.
What is SUBDUCTION?
400
What results when rock layers break and move apart.
What is a FAULT?
400
Theory that helps explain how the world's large landforms were formed.
What is the THEORY OF PLATE TECTONICS?
400
The name of the island in the Atlantic Ocean that formed just recently; is a great example of a primary land form.
What is the ISLAND OF SURTSEY?
500
Hills of wind-deposited sand; form when blowing sand and dust accumulate.
What are SAND DUNES?
500
Where the Pacific plate slips and jerks northward against the western side of the North American plate; most famous example of a plate on land.
What is the SAN ANDREAS FAULT?
500
An opening in the earth's crust through which lava flows.
What is a VOLCANO?
500
These are the earth's flattest and smoothest features.
What are ABYSSAL PLAINS?
500
These are the 3 type of plate boundaries (not one or two words answers).
What is THOSE MOVING AWAY FROM EACH OTHER, THOSE PUSHING AGAINST EACH OTHER, AND THOSE THAT ARE SLIDING PAST EACH OTHER?
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