Classifying Rocks
Igneous Rocks
Sedimentary Rocks
Rocks from Reefs
Metamorphic Rocks
100
These are the three major groups of rocks
What are igneous, metamorphic, sedimentary
100
Two things rocks can be used for... and why
What are building, statues, etc. because of their strength and durability
100
This is when wind or water naturally wears away rock
What is erosion
100
What can happen to igneous rocks in the rock cycle?
It will either remelt, degrade into sedimentary, or turn metamorphic
100
This is what the Taj Mahal is made of
What is Marble
200
a term used to describe the process by which rocks are created, destroyed or changed
What is the rock cycle
200
What silica contains
What is oxygen and silicon
200
The process by which sediments settle out of the water or winds carrying it
What is deposition
200
Coral animals absorb this from the surrounding ocean.
What is calcium
200
The deeper the rock is buried the greater this is on the rock
What is Pressure
300
These are the three things geologists observe when classifying rocks?
What is texture, color, mineral composition
300
Porphyritic texture is...
big crystals under smaller ones
300
This is the organic rock from the remains of swamp plants buried in the water?
What is coal
300
These are the three types of coral reefs.
What are fringing, barrier, atolls.
300
The role that magma plays in the rock cycle
What is the foundation for the creation of rocks
400
Metamorphic rock forms from this
What are heat and pressure deep underground
400
True or false? Most igneous rocks are made of mineral crystals
true
400
These types of rocks can degrade into sediment
What are all of them
400
Barrier reefs lie here
What is far from the shore
400
When rock is turned metamorphic its ___________, texture, crystal structure, and mineral content change.
What is appearance
500
Igneous rock forms from this
What is cooling of molten rock from magma below the surface or lava at the surface
500
These rocks can come from the rock cycle
What are all of them
500
These are two ways chemical rocks can form
What are when dissolved minerals crystallize and from when mineral deposits left when bodies of water evaporate
500
Coral reefs are really this
What is organic limestone
500
Limestone turns into this when heat and pressure are applied to it.
What is marble