Minerals
Rocks
Igneous
Sedimentary
MIX
100
A mineral's streak is the color of its
What is powder
100
Which rock forms when heat or pressure changes an existing rock?
What is metamorphic
100
How are coarse grained igneous rocks formed?
What is slowly cooling magma.
100
List the 3 major groups geologist classify sedimentary rocks.
What are chemical, organic, clastic
100
The deeper a rock is buried in the crust, the ___________ the pressure on that rock.
What is more or greater
200
DAILY DOUBLE Quartz, gold and calcite are examples of __________________ but coal is not.
What are minerals
200
What term is used to describe how a rock's surface looks and feels?
What is texture
200
The series of processes that slowly change the Earth's rocks from one kind to another is called the ____________.
What is the rock cycle
200
___________ is a sedimentary rock formed from coral, shells, and skeletons that piled up on the ocean floor.
What is limestone
200
DAILY DOUBLE What causes pre-existing rock to change into metamorphic rock?
What is heat and/or pressure
300
Geologist use the _______________ test to determine the hardness of a mineral.
What is scratch or Moh's hardness test
300
DAILY DOUBLE Geologist observe the rock's texture, color and ___________ when studying a rock sample.
What is composition
300
Igneous rocks are classified by their
What is texture, origin and mineral composition
300
DAILY DOUBLE The process in which sediments get pressed together is called _________________.
What is compacting
300
Plate movements help drive the rock cycle by helping to form __________, which is the source of igneous rocks.
What is magma
400
The repeating pattern of a mineral's particles forms a solid called a ______________.
What is a crystal
400
A rock's texture is determined by its _______________.
What are grains.
400
Extrusive rocks have _________________ grains than intrusive rocks.
What is smaller
400
Name 3 examples of sediments.
sand grains pebbles mud shells leaves
400
Metamorphic rocks become magma through which process?
What is melting
500
A ____________ is when a mineral breaks apart in an irregular way.
What is a fracture
500
Grain size determines if a rock is smooth or ___________.
What is coarse.
500
Where are extrusive rocks formed?
What is Earth's exterior
500
What is the process that breaks up rock on Earth's surface?
What is weathering
500
Sediments pile up on the ocean floor through the process of ______________.
What is deposition
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