Intrusive Igneous
Extrusive Igneous
Clastic Sedimentary
Chemical Sedimentary
Organic Sedimentary
100
What type of rock is this?
It is course grained and used to make countertops
Granite
100
no grain
mostly dark glassy texture
Obsidean
100
What rock is this?
We looked at it in class
sandstone
100
Name one type of chemical sedimentary rock
Answers may vary. Miss. L will say yes or no:)
100
What is one type of organic sedimentary rock?
chalk
coal
fossil
Coquina
200
do intrustive igneoius rocks cool fast or slow? Why?
They cool slow because it is hot magma inside
200
What type of rock floats and feels like foam?/pumice-stone-detail-isolated-on-white-119398150-5c7be1f2c9e77c00011c839e.jpg)
Pumice
200
Can clastic sedimentary rocks be fine and coarse-grained?
yes
200
Chemical rock in the past used to make arrowheads
--common in Ohio
Flint
200
What are organic sedimentary rocks made of?
from the remains of once-living plants and animals
300
What type of grain size are intrusive igneous rocks?
course or medium grain size or crystals
300
What grain size do extrusive igneous rocks have? Why?
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fine grain or no grain
300
How do clastic sedimentary rocks form?
They are formed when sediments are buried, compacted, and cemented together by calcite or quartz
300
How do chemical sedimentary rocks form?
from solutions of dissolved minerals!
300
What kind of rock is this and how did it form most likely?
Fossils formed from once-living marine animals that collected together at the ocean floor. These compacted and cemented together.
400
Where do intrusive igneous rocks form? be specific
in the magma chambers or cracks of vocanoes
400
Where do extrusive igneous rocks form? Be specific?
They form from erupting lava
400
What holds clastic rocks together?
calcite or quartz
400
Where do most chemical sedimentary rocks form?
where water or seawater evaporates
400
How is coal formed?
from plant material that is buried and changes into coal from increasing pressure and heat!