Ice age
What is an ice age?
Earth’s temperature drops and large areas are covered by ice.
Where did early humans migrate from
africa
What helped keep early humans warm?
Fire
Where could early humans find shelter?
Cave
What did people make depending on their environment?
New tools
When did many places around the world begin freezing?
About 1.6 million years ago.
Where did early humans migrate to as early as 2 million years ago?
Asia
Why did early humans need clothing
To stay warm
What did people use to build shelters?
Branches and leaves
How were newer tools different from older tools?
They were advanced and more complex
When did the ice ages end?
Around 10,000 years ago.
Why did early humans migrate?
To find food and shelter.
What did early humans use to make clothing?
Animal skins
What did people sew to make clothing?
Animal skins
Why did people make new tools?
To adapt to their environment.
How many major ice ages has Earth experienced?
At least 5
How long did migration around the world take?
Thousands of years
What two things did humans search for during migration?
Food and shelter
Why was shelter important in cold areas
It helped protect people from the environment.
When did this period begin?
10,000 years ago
What happens to Earth’s temperature during an ice age?
it drops
What did humans learn to do as they migrated
Change to different climates and regions
Why wasn't fire enough in very cold areas?
People also needed clothing and shelter to survive.
How did clothing help early humans survive?
It kept them warm in cold areas.
How did tools help early humans survive?
They helped people adapt to different environments.