Limestone, sandstone and shale are all sedimentary rocks
What is true
100
When the grains in a rock are large and easy to see, the rock is called_____________
What is intrusive
100
What 2 key words cause metamorphic rocks to form?
What is heat and pressure
100
The term used to describe how light reflects off a mineral's surface
What is luster
200
Name the 5 properties of ALL minerals
What is formed by inorganic processes, crystal structure, definite chemical composition, naturally occurring, solid
200
A sedimentary rock made up of rock fragments with round edges is called?
What is conglomerate
200
What determines if an igneous rock will have large or small crystals?
What is how fast the magma cools
200
Metamorphic rocks that have mineral grains that are arranged in bands are called_________________, metamorphic rocks that have mineral grains that are not lined up in bands are called_________________
What is foliated, non-foliated
200
sedimentary rock formed from bits of clay compressed--it also forms the metamorphic rock slate
What is shale
300
What are the hardest and softest minerals on the Moh's Hardness Scale
What is talc (1) diamond (10)
300
The process by which sediment settles out of the water or wind is called
What is deposition
300
During the 1800's, what igneous rock was used in the US to build bridges and public buildings?
What is granite
300
What sedimentary rocks make up marble and quartzite?
What is limestone and sandstone
300
Name at least 2 minerals in my friend, granite!
What is quartz, mica, hornblende, feldspar
400
True or false---a mineral with a hardness of 6 will scratch a mineral with a hardness of more than 6
What is false---less than 6
400
The small particles of rock or the remains of living things that make up sedimentary rocks are called
What is sediment
400
A series of processes that changes rocks from one kind to another is called __________________
What is rock cycle
400
Why is it RARE to impossible for a metamorphic rock to form on Earth's surface?
What is needs the heat and pressure only found well below Earth's surface
400
What is the difference between extrusive and intrusive?
What is extrusive is formed on the surface of the Earth and intrusive forms below the surface of Earth
500
How are rocks and minerals related?
What is one or more minerals make up rocks
500
Name the 5 key words to describe how a sedimentary rock is formed (in order)
What is weathering and erosion, deposition, compaction, cementation
500
What igneous rock cooled so quickly that it looks glassy?
What is obsidian
500
Name 2 uses for metamorphic rocks
What is building and sculpture
500
What is specific gravity? This characteristic helps to identify what?