Question | Answer |
core | center of the earth made up of iron and nickel |
mantle | surrounds the core and makes up most of the earths mass. its made up of "liquid hot magma"-molten rock |
crust | the outer shell or the earth |
what are tectonic plates? | 12 enormous pieces floating on the mantle, form earths crust |
what is continental drift? | the constant movement of tectonic plates. (spreading apart, colliding, or grinding past each other) LEADS TO THE CREATION OF LAND FORMS |
<------ --------> | spread apart (create rift valleys) |
-------> <-------- | collide (push eachother up = mountains) (one dives under the other = volacnoe) |
what is weathering? | breaks down rock into smaller pieces
divides rock
part of soil building |
erosion | movement of weathered material from one place to another
-also part of soil building process |
whats the effect of erosion? | valleys, deltas, beaches |
how long is a full rotation? | 24 hours |
how long is a complete revolution? | 365 and 1/4 days |
TILT? | the earth is tilted at 23.5 degrees (creates 3 zones: tropical, polar, and temperate) |
what is the tropic of cancer? | northern most point to receive direct sun rays (@ 23.5 degrees north) |
what is the tropic of capricorn? | southern most point to receive direct sun rays (@ 23.5 degrees south) |
what are the 4 seasons? | times of greater or lesser direct solar energy
-caused by tilt and revolution
-tilt causes north and south hems. to be opposite |
what is the importance of wind and oceans? | they help distribute the earth's heat. |
what is weather? | the condition of the atmosphere at a given time and place
-changes with seasons |
what causes weather? | when large air masses heat up or cool down and move across earth's surface |
topographical map | represents natural or man made features on the earths surface |
thematic map | emphasizes specific kinds of info. |
navigational map | used by pilots and sailors to chart a course |
what is globalization? | world wide integration and development |
to appreciate/understand ______ _________ | culture diversity |
physical geography | the natural world (oceans, mountains, etc.) |
human geography | the human activities in a physical place |
what are the 5 themes of geography? | 1. Location
2. Place
3. Human-Environment Interactions
4. Movement
5. Regions |
what are examples of human characteristics? | dams, highways, houses |
what are examples of physical characteristics? | climate, landforms, vegitaition |
how do humans relate to the physical world? | they modify, and depend of the environment. Ex: modify clothing, sports, roads etc.
Ex: humans depend on raw materials, protection, etc. |
what are the 3 themes to movement? | PEOPLE
-how? why?
GOODS
-how? why?
IDEAS
-how? why? |
formal regions | north america, usa |
functional regions | austin (greater austin area) |
perceptional regions | the south ( culture values that form a region) |