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Earth
Timescales
Rocks
Earth processes
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100
A huge layer that lies between Earth's crust and core.
What is the mantle?
100
How different parts of Earth's history compare to the whole.
What is proportional time scale?
100
Many of a rock's features depend on this...
What is how and where rocks were formed?
100
The setting of eroded earth material.
What is deposition?
100
A rock that contains a lot of seashell fossils.
What is limesone?
200
The remains of traces of organisms that have been perserved in Earth's crust.
What is a fossil?
200
Where do timescales usually start.
What is The begining?
200
This rock is most likely to contain fossils.
What is sedimentary?
200
The removal and transportation of loose earth material.
What is erosion?
200
This rock filled the earth with oxygen.
What is a stromatolite?
300
This is a organisim that lived for a short time, but in many places around the world.
What is an index fossil?
300
This timescale shows the sequence of dates and they also show how much and how long.
What do numeric timescales show?
300
This is a rock that forms below the earths surface and forms from molten rock.
What is igneous?
300
A physical process which water seeps into cracks and expands to break apart.
What is ice wedging?
300
The classifing of minerals based on composition.
What is chemical makeup?
400
Landforms shaped like steps or cliffs are formed by this.
What is differential erosion?
400
This timescale shows different events in earths history.
What is geoligical timescales?
400
This rock is igneous, has large crystrals, and is used for countertops.
What is granite?
400
Weathering by wind,gravity, water,and erosion.
What is the destructive process?
400
A supercontinent that existed on Earth.
What is pangea?
500
A lifeless supercontinent that exsisted prior to Pangea.
What is Rhodinia?
500
This period was when first reptiles appeered.
What is Pennsylvanian?
500
A process in which a rock forms and changes.
What is Rock cycle?
500
Mountain building, uplifting, sedimentation, deposition, and plate collisions.
What is the constructive process?
500
This scientist became the father of geology.
Who is Hutton?