48 states that border one another

The number of lakes in the Great Lakes

The biggest mountain range in the US.

Very cold winters and lots of snow, little rain. Summers only slightly warmer but short.

Song written by Katherine Lee Bates.

The two countries that border the US.

Five times saltier than the ocean.

An area of high plains.

Long Cold winters, lots of snow, moderate rainfall.

Cold dry areas where the ground is always frozen.

The number of continents in the world.

A well-known inlet in the state of Washington

Area of the US where most of the farmland grows many staple foods.

Warm summers and cold winters; moderate rainfall with snowy winters.

Large area full of trees and underbrush.

The way the earliest people came from Asia to N America.

The longest river in the United states.

Areas that are settled last because of harsh climates.

Smaller seasonal and day-to-night temperature changes than in inland areas.

Area that supports hers of grazing animals like bison, elk include prairie dogs and grassland birds.

The number of countries in N and S America.

An area of ocean or sea that extends into land.

An area that is arid and contains cactus and plants that survive very little water.

Very Hot and humid most of the year; very high rainfall.

Resources we use from nature.