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Unit 1 physical and cultural geography
8th grade louisiana history
50
Social Studies
8th Grade
10/10/2013

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Term
legend
Definition
helps you decode the symbols used on a map also called a key
Term
compass rose
Definition
shows the directions on a map (n,s,e,w)
Term
cardinal directions
Definition
north, south, east and west
Term
index
Definition
tells you where to find a specific place on a map can help you locate a town or street
Term
scale
Definition
helps you measure the distance between two places
Term
political map
Definition
a map that shows boundaries, states, and countries that are man-made
Term
physical map
Definition
a map that shows natural feature, i.e water, landforms, etc
Term
world map
Definition
the 7 large land areas that are the continents
Term
location
Definition
stated using a system known as latitude and longitude
Term
latitude
Definition
parallels measure locations distance nonparallels measure locations distance north or south of the famous line of latitude is the equator and it is 0 degrees north or south of the famous line of latitude is the equator it is 0 degrees, runs around the center of the earth and divides it in half
Term
longitude
Definition
meridians measure a locations distance east or west of the prime meridian and run from north to south
Term
absolute location
Definition
the exact spot on the earths surface where a place is found
Term
time zones
Definition
world has 24, us has 6
Term
geology
Definition
the study of how the earth was formed
Term
pangea
Definition
the worlds landmass when it was one giant continent 250 million years ago
Term
sediment
Definition
suspended particles of dirt and sand carried by rivers
Term
coastal plain
Definition
relativity low flat region built up by river sediment
Term
continental shelf
Definition
the edge of landmass where the gulfs floor drops off into very deep water
Term
salt domes
Definition
ancient seas dried up, leaving a layer of salt and other minerals exposed on the ocean floor
Term
sulphur
Definition
closely associated with salt domes used to make acids fertilizers rubber paper and other products one of Louisianans important materials
Term
oil
Definition
production has been the most important part of our economy for many years
Term
coal
Definition
created when organic material is compressed by layers of sediment
Term
fault
Definition
weak area where tectonic forces cause the land to break off and slide downward
Term
earthquake
Definition
ground movement along faults
Term
geography
Definition
the study of places, their locations, and their physical and human characteristics
Term
physical geography
Definition
the study of landforms, oceans, weather, and climate
Term
cultural geography
Definition
the study of how people have interacted with changed and adapted to different places on earth
Term
relief
Definition
the difference in elevation between the highest and lowest points of area
Term
coastal marshes
Definition
vegetation if grasses and other plants, trees are uncommon; Louisiana gulf coast is mostly coastal marshes
Term
floodplains
Definition
low, flat, valleys through which rivers flow; swamps; sloughs, bayous and lakes; leafy, deciduous trees; rich, fertile land which is good for agriculture
Term
mississippi floodplains
Definition
level land along Mississippi river subject to flooding fertile soil valuable agricultural crops
Term
uplands
Definition
highest elevation in the state; formed by magma pressure and tectonic forces which pushed the land upward erosion washed away soft material leaving rocky hills piney hills and coniferous evergreen trees
Term
mississippi river
Definition
main artery of Louisiana; largest river in the united states; fourth largest river in the world
Term
red river
Definition
second longest river in louisiana; high salt content because it flows over an underground salt dome; only major river in Louisiana that has white water rapids
Term
atchafalya river and basin
Definition
longest distrbutary of the Mississippi river half of the nations migratory birds migrate here
Term
ouachita river
Definition
begins in the mountains of Arkansas and runs through northeast Louisiana; regulated by a series of locks that allow commercial barge traffic to travel to Arkansas
Term
the sabine river
Definition
forms the border between texas and Louisiana
Term
the pearl river
Definition
forms the border between Mississippi and the toe of the Louisiana boot
Term
bayou teche
Definition
joins the atchafalya near the gulf of Mexico the acadians settled along its banks
Term
bayou lafourche
Definition
exits the mississippi river at donaldsonville; many french spanish, africans, and native Americans have settled along its banks; highway 1, which
Term
gulf intracoastal waterway
Definition
3000 miles, allows ships to travel from Texas to Florida without sailing into the gulf
Term
the gulf of mexico
Definition
fifth largest sea in the world; covers almost 600,000 square miles; warm waters affect Louisianans climate and economy
Term
levees
Definition
structures built to protect the land outside from flooding, prevents sediment from depositing along the coast, contributes to coastal erosion
Term
bonnet carre spillway
Definition
on the east bank of the Mississippi, upstream, from new Orleans
Term
Morganza spillway
Definition
on the west bank of the mississippi upstream from baton rouge, protects the levee system by diverting water out of the Mississippi into the atchafalya
Term
depression lakes
Definition
created when land sinks along a fault and fills with water
Term
weather
Definition
is temperature, wind and rain on a daily basis
Term
climate
Definition
is the long term weather pattern in a region
Term
humid subtropical climate
Definition
hot summers, mild winters, and abundant precipitation
Term
storm surge
Definition
most dangerous part of a hurricane
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