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Themes and Regions Test Review
Themes, Regions, Plate Tectonics, and Other Junk
24
Geography
9th Grade
09/27/2007

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Term
formal region
Definition
a region that has set boundaries based on government systems, culture, religion, landforms, etc.
Term
functional region
Definition
a region that has a way for people in different formal regions to communicate and/or connect with each other's lives.
Term
functional region
Definition
a region that has a way for people in different formal regions to communicate and/or connect with each other's lives
Term
What are the layers of the Earth?
Definition
Crust, Mantle, Inner Core, Outer Core
Term
What is the theory of plate tectonics?
Definition
Earth's outer shell is composed of a number of plates whose constant movement explains earthquakes and volcanoes.
Term
biosphere
Definition
anything living in the Earth, including plants and animals
Term
hydrosphere
Definition
all of the water in or on the Earth in lakes, oceans, etc.
Term
lithosphere
Definition
the surface features of the Earth, including soil, landforms, rocks, etc.
Term
atmosphere
Definition
the layer of gases, water vapor, and other substances above the Earth
Term
erosion
Definition
the movement of weathered material by wind, water, or glaciers
Term
What are the 5 themes of geography?
Definition
1. Movement

2. Location

3. Place

4. Regions

5. Human-Environment Interaction

Term
Be able to give examples of each of the five themes of geography.
Definition
Movement - The Europians migrated over to the U.S.

Location - Texas is the state above Mexico whose border is part of the border of the Gulf of Mexico.

Place - Parts of Colorado are mountainous.

Human-Environment Interaction - Factories and cars pollute the air.

Term
What is the difference between chemical and mechanical weathering?
Definition
Chemical weathering happens when chemical reactions occure in or on rocks. Mechanical weathering is the actual breaking down of rocks by natural, nonchemical causes.
Term
How is a volcano formed?
Definition
When magma breaks through to the Earth's surface, it becomes lava, and forms a volcano.
Term
What are the causes of erosion?
Definition
Water, wind, and glaciers.
Term
How is a canyon formed?
Definition
Wind or water wears rock away and created valleys.
Term
How is a delta formed?
Definition
Water carries sediment (through erosion) down rivers and deposits it in a pile at the end of a river. When enough sediment gathers, it forms a piece of land called a delta.
Term
Where does the sun shine directly on solstices and equinoxes?
Definition
During the summer solstice, the sun shines most directly on the Northern Hemisphere. During the winter solstice, the sun shines most directly on the Southern Hemisphere. And during both equinoxes, the sun shines most directly on the equator.
Term
archipelago
Definition
a group of islands
Term
peninsula
Definition
a triangular-shaped piece of land that juts out from a mainland into an ocean or large lake
Term
isthmus
Definition
a narrow strip of land having water on each side and joining two larger pieces of land

(Ex: The strip of land between North and South America before the Panama Canal was cut through it.)

Term
mountain
Definition
a formation of land that occurs when two plates collide and push the land up.
Term
What is the theory of continental drift?
Definition
The continents drift a little bit every year to change their positions on the Earth. "Pangea" was the Supercontinent when the Earth was first formed, and the continents broke apart and drifted to their current places on Earth by the process of continental drift.
Term
What are the MAJOR lines of latitude starting from the North Pole?
Definition
1. Arctic Circle

2. Tropic of Cancer

3. Equator

4. Tropic of Capricorn

5. Antarctic Circle

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