Geography
An imaginary line on Earth that marks the beginning of the Arctic region.
Arctic Circle
A large species of deer with branching antlers (horns).
Elk
Plants that are grown for food.
Crops
Very small, powdery bits of rock from a volcanic eruption.
Fine ash
To have started or come from a specific source.
Originated
The height of a place above sea level.
Altitude
Animals kept or raised on farms for their products, such as meat, milk, or wool.
Livestock
The process of gathering a ripe crop from a field.
Harvesting
A particular length of time in history.
Period
A word used to express uncertainty or possibility
Perhaps
A large, flat area of land with few trees.
Open plain
For animals to eat grass in a field.
Graze
Soil or land that is rich in the substances plants need to grow well.
Fertile
Continuing or enduring for a long time
Lasting
The act of moving people or goods from one place to another.
Transportation
The physical features of a specific place, such as its climate, land, and water.
Geographical Conditions
Nomads who travel with their herds of animals, such as sheep, cattle, or goats.
Pastoral nomads
The practice of farming, including growing crops and raising livestock.
Agriculture
To be filled with extreme fear.
Terrified
A period of time in which early humans made lasting tools and weapons mainly from stone
Stone Age
A major mountain range that runs along the western coast of South America.
Andes
To tame a wild animal or plant and make it more useful for humans to use.
Domesticate
The times of year when the climate is warm enough for plants to grow.
Growing Seasons
To turn away or prevent something from happening.
Ward off
A person who has no settled home, but keeps moving from place to place
Nomad