Sedement-ary rocks
How are they formed.
What is the hardest rock/mineral on the Moh’s hardness scale?
Diamond
Extrusive
Where are convection currents located?
In the mantle.
What organic or used to be organic material can be found in metamorphic rock?
Fossils
What is the first step in the process of forming sedimentary rock.
Weathering and Erosion
What can a rock that’s a 2 on the Moh’s scale definitely scratch?
Igneous rocks made of magma are…
Intrusive
What do convection currents move around?
Rocks/hot rocks
What three types of rock can metamorphic rock be before it became metamorphic rock?
Igneous, Sedimentary, and earlier metamorphic
What is the second step in the process of forming sedimentary rock.
Transportation
What is the name of the scale that you use to measure hardness?
The Moh’s hardness scale
True or false: Are diamonds an igneous rock?
True
What happens to warm rocks in the mantle?
They rise.
What process reforms sedimentary rock into metamorphic rock?
Heat and pressure
What is the third step in the process of forming sedimentary rock.
Deposition
What can a rock or mineral with a hardness of 6 on the mohs scale definitely scratch? A rock or material with a 5.8 on the scale, A rock or material with a 3 on the scale, All of the above, a fingernail.
All of the above
When crystals cool slowly what size are the crystals?
Big
What happens to cool rocks in the mantle?
They sink.
Where does metamorphic rock form; above the surface of the crust or below the surface of the crust?
Below the surface of the crust
What is the last two steps in the process of forming sedimentary rock.
Compaction and Cementation
Can a steel hard drill bit scratch a nail (as in nail and hammer, not fingernail).
Yes
When crystals cool quickly, what size are the crystals?
Small
What is the name of the space where convection currents are in the upper mantle are?
The lithosphere.
What types of rock can have fossils inside them?
A) Metamorphic and Igenous
B) Metamorphic and Sedimentary
C) Metamoprhic
D) Sedimentary
E) Igneous
F) None of the above
C) Metamorphic