texas history

Geography

Study of the world,its people, and the interaction between them.

Environmental

Physical surroundings

Culture

Shared beliefs, traits, and values

Geographic information systems

A computer database that stores huge amounts of geographic data

Exosystem

An areas plants and animals together with nonliving parts of their environment.

Migration

The movement of people

Urbanization

An increase in people living are working in cities

Relative location

Where a place is in relation to other places

Absolute location

The exact position of a place on earth

Latitude

Imaginary lines that in east west around the globe and measure distance north and south of the equator

Longitude

Imagining lies that run north and south circling the globe used to measure distance east and west of the primary Meriden

Equator

An imaginary line circling the globe exactly halfway between the north and south poles

Prime Meriden

An imaginary line that runs around the globe from the north pole to the south pole

Compass Rose

A figure on a map that points to north south east and west

Scale

The relationship between a measurement on a on the map and the actual distance on Earth surface

Legend

The key on a map that explains the meaning of all the maps symbols

Reference maps

Maps used to find locations

Thematic maps

Maps used to show us a specific topic theme or spiritual distribution of an activity

Map projections

Means by which mapmakers create flat representations of earth features

Statistics

Information in the form of numbers

Bar graph

A graph using bars of different links to compare information from different places or time periods

Line graft

A graph that indicates a trend or Pattern overtime

Pie chart

A circle graph that shows how hearts of a hole are divided

Timeline

A chart that shows a sequence of events

Flow chart

A chart, using boxes, arrows, and an images to describe a series of steps

Causation chart

A chart that uses boxes and arrows to show cause in effect

Plains

Areas of flat or gently rolling land without changes in elevation

Plateaus

Areas of flat elevated land that drop sharply on one or more sides

Ranges

Groups of mountains

tributaries

Small streams, our rivers that float into larger, streams or rivers

Reservoirs

Artificial lakes that store water

Irrigation

System for watering of crops

Aquaifers

Formations of natural gravel, rock and sand that trap rainwater underground

Ogallala aquifer

Largest underground water source in Texas in south and North America

Edwards aquifer

The largest springs in Texas and the water source for San Antonio and the rest of Central Texas

Humidity

The amount of moisture in the air

drought

Long period without rainfall

Lady Bird Johnson

Wife of US president London B Jonson and founder of the national wildflower research center in

Erosion

Processed by which something such as soil is worn away

Habitat

Environmental home

Extinct

No longer in existence

Immigration