| A | B |
| driest desert in world | Atacama |
| oasis | place on desert where there is enough water for some plants to grow |
| pyramid | pile of stones with triangular sides built to hold the body of an Egyptian ruler |
| Africa | where the Sahara is located |
| South America | where the Atacama Desert is located |
| nomads | people who roam from one place to another |
| wind | cause of sand dunes forming |
| palm | kind of tree growing on most oases in the Sahara |
| derrick | tall tower that holds an oil drill in place |
| Nile | longest river in the world |
| llama | animal related to the camel that was important to the Atacama Indians |
| mosque | Moslem place of worship |
| Cairo | capital of Egypt |
| Islam | religion practiced by Moslems |
| Mohammed | founder of the Moslem's religion |
| crude | term for oil as it comes from the earth before the impurities are removed |
| oil refinery | place where oil is made into products like gasoline and kerosene |
| sodium nitrate | mineral mined in the Atacama Desert used to make fertilizers and explosives |
| the Kaaba | special shrine in Mecca, the holy city of the Moslems |
| copper | mineral mined in the largest open-pit mine in the world, located in Chile |