Questions and Answers
What materials did early humans use to make tools?
wood, animal bones, and stone
What were the reddish green pebbles that early humans came across?
copper nuggets
Why did copper seem peculiar to early humans?
it was much stronger than gold
What was the next important step in working with copper?
Signup and view all the answers
What advantage did copper tools have over stone tools?
Signup and view all the answers
Which metal did early humans find to be stronger than gold?
Signup and view all the answers
What did early humans observe about copper nuggets when they struck them?
Signup and view all the answers
What was the advantage of using copper tools over stone tools?
Signup and view all the answers
What did people learn about copper when they heated it?
Signup and view all the answers
What advantage did metal tools have over stone tools?
Signup and view all the answers
