First Americans Ch. 1-4 Vocabulary

Front

Ice Age

Back

A period in Earth’s history when huge sheets of ice covered the Earth.

Front

Land bridge

Back

A small strip of land that connects two larger areas of land.

Front

Hunter-gatherers

Back

Small groups of people who feed themselves by hunting animals and gathering plants.

Front

Herd

Back

A large group of animals that live and travel together.

Front

Mammoth

Back

A large, prehistoric animal that is very hairy and looks like an elephant.

Front

River valley

Back

An area of low land, usually with a river, that is surrounded by mountains and hills.

Front

Mastodon

Back

A large, prehistoric animal similar to an elephant and a mammoth.

Front

Soil

Back

The top layer of Earth’s surface where plants grow.

Front

Northern Lights

Back

Soft, colorful light that appears in the Northern skies. They are caused by the reflection of sunlight.

Front

Ancestor

Back

A relative who lived a long time ago.