Location
Natural Regions
Waterways
Climate
People and the Environment
100

an imaginary line on Earth's surface that divides Earth evenly between the North and South Poles

equator

100

wearing away by the action of water or wind

erosion

100

a waterway closely associated with Louisiana, which ranges in size from short and shallow to long and navigable

bayou

100

the current condition of the atmosphere on any given day


weather

100

swamps, marshes, and other areas that have an natural supply of water and are covered or soaked with water at least part of the year

wetlands

200

an imaginary line that measures a location's distance north or south of the equator

latitude

200

the height of a place above sea level

elevation

200

a fairly large body of water that is surrounded by land but has a stream of water running in and out of it

lake

200

the average weather of an area over a long period of time

climate

200

a rodent that was once highly valued for its fur but now causes harm to our marshes by eating plants and roots near waterways which causes erosion

nutria

300

an imaginary line that measures how far east or west a location is from the prime meridian

longitude

300

the place where a river begins

source

300

a body of water that has a source and a mouth that usually runs from high elevation to lower elevation.

river

300

any form of water, liquid or solid, that falls from the atmosphere and reaches the ground

precipitation

300

material that settles to the bottom of a liquid

sediment

400

the 0 degree line of longitude that divides earth into Eastern and Western Hemisphere

prime meridian

400
the place where a river empties into a larger body of water, like an ocean or gulf.

mouth

400

one of four very large bodies of water on earth

ocean

400

a dark funnel-shaped cloud with swirling winds that can measure over two hundred miles an hour

tornado

400

the slow process of land sinking into the sea

subsidence

500

a specific spot on planet Earth, sometimes expressed using latitude and longitude

absolute location

500

many small deposits of dirt and mud at the mouth of a river

delta

500

an area found along a coast that is a transition area between land and water

marsh

500

a violent storm that forms in the Atlantic Ocean during the summer and fall

hurricane

500
a geological formation found in Louisiana's salt marsh, which is covered by layers of rock that, under great pressure have folded upward in domelike formations

salt domes

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