1
This student dressed up as Russell from "Up" for Halloween.
Jake
This student is new to the class this year.
Dominic
This student's sister dressed up as the saint who lost his leg during a battle.
Caleb
This student has a ripped seat pocket.
Tim
These two students are twins.
Reese and Reagan
This is the river that forms the boundary between Texas and Mexico.
Rio Grande
This is the mountain range that goes from Georgia to Maine.
Appalachian Mountains
This is the Great Lake named after a state.
Lake Michigan
This is the Great Lake that touches Pennsylvania.
Lake Erie
What ocean is between North America and Europe?
Atlantic Ocean
Scientists believe that early humans came from here.
Africa
What ocean is between North America and Asia?
Pacific Ocean
The land bridge that connected Asia to North America.
Beringia
This land bridge may have existed during the last _______.
Ice Age
An idea that tries to explain a set of facts.
Hypothesis
The movement of people or animals from one place to another.
Migration
A smaller connecting area between two large land masses.
Land bridge
Large thick sheets of ice.
Glaciers
To adjust or get used to
Adapt
How did the first people come to the Americas?
They migrated across Beringia, the land bridge.
Why did sea levels rise at the end of the last Ice Age?
Because the glaciers melted into the oceans.
This is the current waterway between Alaska and Russia.
Bering Strait
Explain what happened to the sea levels when the last Ice Age ended.
Sea levels rose.
Why do scientists think people migrated into the Americas?
The people were following the migrating animals, their food source.
What happened to Beringia when the last Ice Age ended?
It was covered with water (submerged).