Archeology
What are the three steps that need to happen in archeology
Digging, Cleaning, Catologing.
The way human beings moved from Africa to the rest of the world
What is human migration?
Why are eras getting shorter
More modern advanced ments.
What are the two types of carbon in the atmosphere
C-12 and C-14
study of prehistory based on the examination of artifacts
What is archeology?
How long on average will it take to clean an average-sized bag of artifacts?
3 hours about.
What is the first place humans migrated to
Asia
What were BCE and CE before
B.C A.D
Who invented C-14 dating
Willard Libby
1. used to distinguish the year 1 CE from the present-day
2. used to distinguish the year 1 BCE and the years before
1. What is the common era?
2. What is before the common era?
How do archeologists know where to dig
They use radio frequencies to find objects under ground.
Where did they migrate to last
South America
Why do we study history more than prehistory?
More documented history.
How does C-14 dating work
They check how much or how little C-14 there is to see how old it is.
1. something that makes people move away from a place
2. something that makes people want to move to a place
1. What is a push factor
2. What is pull factor
How would early humans deal with the disabled
They would help them survive even with disabilities.
How long ago did they begin to migrate
100,000
time period of written records
What is history
What are the flaws of C-14 dating
There might be C-14 from other sources.
study of people and their ancestors in relation to physical characteristics, society, and culture
What is anthropology?
What are three objects archeologists use to dig?
Trowel, skewer, dust pan.
Why did they migrate
Climate change, migrating for food, and natural resources.
time period before written records
What is prehistory
How long does it take for half of the C-14 to become C-12
5,730 years.
a land bridge connecting northeast Asia and northwest North America that existed during the last Ice Ages
What is berengia