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These lakes are the largest freshwater lakes in the world.
The Great Lakes
Oklahoma
An important civil rights leader who fought for equal rights peacefully.
Martin Luther King, Jr.
This state is nicknamed the "Cornhusker" state.
Nebraska
Michigan
Mardi Gras takes place in this state.
Louisiana
The top layer of soil that is held together by plant roots.
sod
This Shoshone Native American traveled thousands of miles with Lewis and Clark and helped them communicate with native people, find food, and locate good travel routes.
Sacagawea
This state's tourist attraction is a car race called the Indy 500.
Indiana
How people make a living.
economy
Traditions, beliefs and way of life.
culture
South Dakota
Any house with its land and buildings where a family makes its home.
homestead
A very large farm or piece of land where products are grown and raised by workers.
plantation
cotton
A harbor town or city where ships load or unload cargo.
port
A broad, flat area of land which is raised above the surrounding land.
plateau
A portion of an ocean or sea partly enclosed by land.
gulf
A large, flat grass covered, treeless piece of land with fertile soil.
prairie
A geographic area belonging to or under the control of a government.
territory
Land that is covered with grasses and clovers, rather than shrubs and trees.
grasslands
A place where the impurities are taken out of a product in order to make it pure.
refinery
An artificial waterway for boats or for draining and irrigating land.
canal
A large stretch of flat, treeless land.
plains
The science or job of nurturing the soil, producing crops, and raising livestock.
agriculture