Nomads moved from place to place to find food and water.

Nomads built one city and never left it.

A nomads is a type of rock found in caves.

Nomads means staying in the same house forever.

During the Ice Ages, large parts of Earth were covered with ice and glaciers.

Ice Ages is the name of a sandwich sold at lunch.

The Ice Ages were times when volcanoes made everything hot.

Ice Ages are short snowstorms that last an hour.

A timeline is a line that shows events in the order they happened.

A timeline is a map that shows where mountains are.

A timeline is a poem that rhymes about time.

A timeline is a tool for measuring temperature.

An artifact is an object made by people in the past, often found by archaeologists.

An artifact is a type of animal that lived during the Ice Ages.

An artifact is a mountain formed by volcanoes.

An artifact is a weather pattern that brings rain.

Hunter-gatherers built large cities and traded goods.

Hunter-gatherers invented machines to travel in space.

Hunter-gatherers searched for wild plants and animals to eat instead of farming.

Hunter-gatherers were scientists who studied rocks.

Before Christ Era

Before Common Era

Before Christ

Christ Era

Correct Era

Common Era