The Americas

A narrow strip of land that connects two larger pieces of land.

A small strip of water that separates Asia and North America. It is believed that during the last Ice Age early humans crossed over when the water level dropped and a land bridge was exposed.

The region of Mexico and most of Central America.

Volcanic glass that can be sharpened into tools and weapons.

A cavity in the ground, especially in limestone bedrock, caused by water erosion and providing a route for surface water to disappear underground.

The native American word for corn.

A northeastern projection of Central America, lying between the Gulf of Mexico to the west and north and the Caribbean Sea to the east.

The language spoken by the Incas.

An ancient Inca device for recording information, consisting of variously colored threads knotted in different ways.