| A | B |
| climate | average of all weather conditions over many years |
| weather | atmospheric conditions during a short period of time |
| tornado | funnel shaped spiral of wind |
| norther | sudden blast of cold air extending south from Canada |
| Gulf of Mexico | source of most precipitation in Texas |
| hurricane | storm from the gulf causing flooding and wind damage |
| ocean breezes | winds that cool the land in summer and warm it in winter |
| Edwards Aquifer | gets water from rain that fall on the Hill Country |
| fault | weak part of the earth's crust |
| wrong-way rivers | carry water from the dry part to the wetter part of Texas |
| Qgallala Aquifer | declining source of wter because it cannot be easily refilled |
| aquifer | underground water reservoirs |
| plain | mostly level area that may have low fills |
| forest, savanna, grassland | vegetation regions of Texas |
| Padre Island | barrier island |
| Laguna Madre | sheltered bay |
| southeast | direction almost all Texas rivers flow |
| Balcones and Caprock | escarpments in Texas |
| Petroleum and natural gas | most important minerals found in Texas |
| Guadalupe Peak | highest point above sea level in Texas |