Sedimentary Rock
Layers of Rock
Scientific Process
Vocab
Weathering
100
rocks that are formed from sediments and years of compaction and cementation.
What are sedimentary rocks.
100
this layer is the oldest at mile 20
What is supai sandstone
100
the variable that is measured
What is dependent variable
100
the water that carries the cementing agent into the spaces between sediments.
What is groudwater
100
when rocks bump into each other and break into pieces
What is abrasion
200
the minerals used to glue sediments together
What is cement.
200
sediments will settle _________ with the basin floor
What is horizonal.
200
independent variable
What is the variable that is manipulate or changed
200
these are the two process that ALL sediments go through to form sedimentary rocks
What is compaction & cementation
200
this process creates the pot hole in our roads
What is frost wedging
300
this rock is formed from clay and silt
What is shale.
300
this term means: rock layers closer to the surface are younger than those deeper in the column
What is Principle of Superposition
300
the group that is NOT changed
What is control group
300
the present is a key to past events
What is uniformitarianism
300
when rocks break into smaller pieces but doe NOT change its minerals
What is physical weathering
400
sediments that make sandstone
What is sand
400
this term means: the settling out of sediments
What is deposition
400
the group that is tested
What is the experimental group
400
when sediments settle in the basin, they form a flat layer
What is Principle of Original Horizontality.
400
when roots burrow into the cracks of rocks in search of water causing the rocks to break
What is root wedging
500
limestone sediments are made in this kind of environment
What is ocean
500
at Mile 52, there is _________ under Muav Limestone
What is more rock
500
an "if...then" statement that show a relationship between the IV and DV
What is hypothesis
500
the calcium carbonate that is formed from the breakdown of sea shells
What is ooze
500
precipitation that has a different pH level causing rocks to break down
What is acid rain
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