Classifying Rocks
Igneous rock
Sedimentary Rocks
Metamorphic rock
Rock cycle
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 other rocks or plant and animal organisms
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
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
This type of rock can be found on the streets during the winter in climates where it snows.
Salt
200
These types of rocks can become metamorphic rocks
igneous, sedimentary and other metamorphic rocks
200
Igneous rock transform to sediment by processes called ___________ & ____________
weathering and erosion
300
The small units that make up a rock and its texture are called __________.
grains
300
Daily Double - An extrusive rock with dark color, fine grains and low silica
basalt
300
This stone is what the Whitehouse is made out of.
Sandstone
300
This is a thin rock that was used instead of paper.
Slate
300
The layers of sediment become pressed together over time
compaction
400
What is the process of which rocks go to Change
Metamorphosis
400
What is one the of many igneous rock excluding basalt
andesitedacite, obsidian, pumice, rhyolite, scoria,
400
Formed by the accumulation of dead plant matter or animal remains being cemented together.
Sedimentary rock
400
The texture of a metamorphic rock arranged in parallel layers is called
foliated
400
Does the rock cycle ever end
no
500
What are the texture of Igneous rock
Fine grained
500
This igneous rock can float in water, and some people use it to clean their feet
pumice
500
This type of sedimentary rock is made up of broken pieces of rock and minerals.
Clastic rock
500
What does metamorphic mean
To change form
500
Daily Double - The processes by which sediments become sedimentary rocks - three words
Deposition, compaction or cementation