Name that Rock
A light-colored rock with a frothy texture
What is pumice?
A rock that is usually black, glasslike it cooled very quickly
What is obsidian?
What are igneous, sedimentary, and metamorphic?
When rocks cool quickly they form ________ crystals
What are small?
Igneous rock that cooled on the surface of the earth
What are extrusive?
A frothy textured rock, black like cinders
What is scoria?
Made from dead buried plants
What is coal?
Fragmental, chemical and organic
What are the three groups of sedimentary rocks?
When rocks cool slowly _____ crystals are created.
What are large?
layers of sedimentary rock
What is strata?
A black, heavy, rock with fine grains
What is basalt
made from dried up seawater
What is halite
This is the percentage of sedimentary rocks
What is 75%?
What is sharp?
Igneous rocks that cooled below the surface
What are intrusive?
A coarsely foliated rock with a banded appearance
What is gniess?
Was once limestone
What is marble?
Requirements for the formation of metamorphic rocks
What is heat and pressure?
this rock is very pleasant and easy to get along with
What is gniess?
Difference between magma and lava
What is lava is molten rock above the surface and magma is molten rock below the surface?
A metamorphic rock that was once sandstone
What is Quartzite?
Granite is made up of these three minerals
What are feldspar, quartz and mica (biotite)?
The classification of sedimentary rocks that are composed of pieces of other rocks?
What is fragmental, clastic, or detrial?
Sedimentary rock with rounded pebbles?
What is conglomerate?
Any trace or remain of a living organism preserved by natural means
What is a fossil?