shiny and very smoth
obsedian
this can be opened by person when leaving the house
a fence
what is one rock they used to hunt with on there spears
flint
this rock is hard can break and is made from the sand what rock is this
sandstone
this can hld up a house
a brick wall
suggest how flaking got its name
because flakes would come of
this rock you can mine
coal
you might be walking around on it a school to get places
footpatths
list three types of rocks used in the stone age
1 qaurtz
2 obsidian
3 flint
you drive or ride around on it
roads
list three different uses of grinding stones
1 cut wood
2 cut plants for food
3 shape conoes
this rock is rough and has tiny holes in it
granite
you can cool of in this
pool
which alloy replaced stone as the substance to make tools when the sone age ended
bronze cooper and tin