Classifying Rocks
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
The Rock Cycle
Random 1
100
Geologists classify rocks into 3 major groups
Igneous, sedimentary, and metamorphic
100
Igneous rock that formed from magma and cooled very slowly UNDERNEATH the earth's surface is called ________.
intrusive rock
100
These small pieces or particles make up sedimentary rock. They can be parts of other rocks, plants, and animal.
sediment
100
This is how metamorphic rocks are created.
extreme heat and pressure
100
Magma cools and crystallizes in the cycle forming _______ rock
igneous rock
100
Molten rock above the surface.
Lava
200
The type of rock that forms from magma or lava cooling
igneous rock
200
This type of rock is formed from lava ON the earth's surface.
extrusive rock
200
Do sedimentary rocks have crystals?
NO!!!!!
200
These types of rocks can become metamorphic rocks
igneous, sedimentary and other metamorphic rocks. All rocks can become metamorphic rocks.
200
Transporting sediments by wind, water, gravity, or glaciers.
erosion
200
What type of igneous rock can have air pockets or holes in it?
Extrusive
300
What type of rock should be where "B" is?
Metamorphic?
300
An extrusive rock with dark color, fine grains and low silica
Basalt?
300
Do sedimentary rocks have fossils?
YES!!!!!
300
A term that describes a metamorphic rock with banded layers.
foliated
300
The layers of sediment become pressed together over time
compaction
300
Why do intrusive igneous rocks have large crystals?
They cool slowly.
400
What type of rock should be where "A" is?
Igneous?
400
This type of igneous rock is black with a glassy texture. 
obsidan
400
What are the 5 main phases in creating sedimentary rock?
Weathering, Erosion, Deposition, Compaction, Cementation.
400
The texture of a metamorphic rock that does NOT show banded layers.
non-foliated
400
The ______ ________ is a series of processes that transform the types of rocks in the earth's crust. It takes a very long time and there are many paths that can be taken.
Rock Cycle
400
True or False: The Rock Cycle takes a short amount of time.
False
500
Igneous rock cools very quickly. What would be the texture of an igneous rock that cools quickly?
Glassy or Fine Grained.
500
This extrusive igneous rock can float in water, and some people use it to clean their feet. It has many air bubbles.
pumice
500
The process that breaks rocks down into sediments.
weathering?
500
What does metamorphic mean?
HINT- "It's morphing time!"
"to change form"?
500
The processes by which sediments become sedimentary rocks
compaction or cementation
500
What is the difference between an intrusive igneous rock and an extrusive igneous rock?
Intrusive forms from magma below the surface and extrusive forms from lava above the surface.