Arkansas Geography and Geology

The Ouachita Mountains are the only mountains in North America that run east and west.

• true
• false

When two tectonic plates move into or past each other we experience ____.

• Earthquakes
• Rivers
• Valleys
• Tornadoes 

What forms when two continental, convergent plates push together?

• volcano
• mountain
• earthquakes
• island

A giant landmass that existed 200 million years ago

• Wegener
• Pangaea
• Archyopteryx
• Ammonite

The Ouachita Mountains were created when South American collided, over time, with North America an extremely long time ago.

• true
• false

Triangle-shaped area of land at the mouth of a river.

• Delta
• Mouth
• Waterfall
• Plateau

A high, wide area of flat land with steep sides

• Cataract
• Glacier
• Dune
• Plateau

A very large area of flat land

• Plain
• Coast
• Peak
• Basin

Is a break in the crust where slabs of crust slip past each other.

• compression
• Earthquake 
• Volcano
• Fault

Define Alluvial Soil.

• the commercial production of freshwater animals, like catfish, and aquatic plants.
• soil that was deposited by running water.