avery power point
TRANSCRIPT
About granite!• My rock is granite. • It falls around 6 or 7 on the hardness
scale.• My rock is a little gray, brown, white
and a lot black.• My rock is igneous rock.• Did you know people build with
granite.
My rock is shale.
Shale falls around 1 or 2 on the hardness scall.
My rock is gray and a little brown.
My rock is sedimentary rock.
Before the mid 19th century, the terms slate, shale and schist were not sharply distinguished[2]. In the context of mining, shale was frequently referred to as slate well into the 20th century.[3]
About shale!
About sandstone!
• My rock is sandstone!• Sandstone falls around 1 on the
hardness scale.• My rock is white and brown.• My rock is sedimentary rock.