Classifying Rocks
Igneous
Sedimentary Rocks
Rocks From Reefs
Metamorphic Rocks
100
Rocks are made up of particles of minerals or other rocks.
What is grains
100
Lava that erupted onto Earth's surface
What is extrusive rock
100
Particles from other rocks or the remains of plants and animals are pressed and cemented together.
What is sedimentary rock
100
Skeletons that grow together to form a structure
What is coral reef
100
Rocks that are changed by heat and pressure
What is Metamorphic rocks
200
Rocks that are changed by heat and pressure
What is Metamorphic rock
200
Size, shape and pattern
What is texture
200
Sedimentary rock forms from the remains of living things.
What is organic rock
200
Are as small as your fingernail
What is coral animals
200
Grians arranged in parallel layers or bands
What is foliated rock
300
Grains are large and easy to see
What is coarse-grained
300
The most abundant rock in the continental crust
What is granite
300
Clastic, Organic and Chemical rock
What is main sedimentary rock
300
Coral animals eat this
What is tiny organisms
300
Grains are arranged randomly
What is nonfolited rock
400
This Minerals grain is banded
What is Gneiss
400
Igneous rock that cools very quickly texture
What is smooth and shiny
400
Sandstone, Conglomerate and Breccia
What is Clastic rock
400
Ancient rock
What is Limestone
400
Marble sculpture in Washington D.C
What is the Lincoln Memorial
500
Quartz, Feldspar, Hornblende and Mica
What is Granite
500
An intrusive rock with large ctystals surrounded by small crystals
What is porphyry
500
Rock salt is made of this mineral
What is halite
500
Plate motions have changed Earth's surface.
What is evidence
500
Sandstone after metamorphosis
What is Quartzite
M
e
n
u