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

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?


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!