9.7 Flashcards
1
Q
Stone Age
A
A time about 2 million years ago where early humans made implements out of stone
2
Q
Alloy
A
A mixture of metal with another metal or non-metal.
3
Q
Flint
A
A fine grained sedimentary rock witch leaves a very sharp edge when Brocken
4
Q
Percussion flaking
A
A process in witch a tool stones such as flint or obsidian were struck with harder stones.
