| A | B |
|---|
| desert | An area receiving < 10 inches of rain/snow each year and has very little vegetation - covering 1/5 of land on earth |
| oasis | An area within desert that has a regular supply of water (from rivers/underground springs) |
| dunes | Giant hills of sand that are slowly moved by the wind |
| plateau | A large, flat area of land that is raised above the surrounding land |
| drought | A long period of time when there is little or no rainfall |
| reptiles | Cold-blooded desert animals such as tortoises, lizards and snakes. |
| saguaro cactus | A plant with a thick, waxy stem that is covered with spines. Its fleshy stem can store large amounts of water. Found only in Sonoran Desert |
| between the Tropic of Cancer and Tropic of Capricorn | Where most deserts are found |
| polar deserts | Antarctica and areas of Arctic tundra |
| nomads | People who live in the desert and move often to find new grazing areas and food sources |
| North American Deserts | 4 main deserts found in Southwest U.S. |
| Bactrian camel | 2-humped camel found in colder Asian deserts |
| dromedary camel | 1-humped camel found in some hot deserts |
| rain-shadow effect | A desert formed because a mountain has caused rain clouds to drop their moisture on one side of the mountain |
| Sahara Desert | The largest hot desert in the world |
| Gobi Desert | A very cold desert found in Northern China and Mongolia |
| water Cycle (Basic) | Water's natural path - Includes evaporation, condensation and precipitation |
| nocturnal | An animal that is active at night |
| diurnal | An animal that is active during the daytime |
