Color, streak, luster, hardness, density, cleavage and crystal structure.
100
What are Sedimentary Rocks ?
Rocks that form from preexisting rocks or organic materials.
100
What are igneous rocks ?
Rocks that form when a natural molten rock cools and turns into a solid.
100
What are Metamorphic rocks ?
Rocks that form from changes in previously existing rocks due to heat and pressure.
200
Minerals are crystallines because .. ?
It's atoms have a specific arrangement.
200
Minerals can be identified by ?
Physical and Chemical properties.
200
What are most Sedimentary Rocks made out of ?
Solid fragments or sediments
200
When magma solidifies beneath Earth's solid surface, it forms rocks called .. ?
Intrusive Rocks
200
What is the process of forming metamorphic rocks ?
Metamorphism
300
All minerals are solids composed of .. ?
One or more chemical elements.
300
Which mineral has a hardness of 3 and is colorless ?
Calcite
300
What are solid fragments or sediments often called ?
Clasts
300
When lava solidifies on or above the Earth's surface, the result is .. ?
Extrusive rocks.
300
When metamorphism occurs the preesxisting rocks are usually .. ?
Recrystallized
400
Minerals form as the result of .. ? Name 1
Inorganic crystallization- organizing atoms to form crystalline solids or Recrystallization- atoms of solid, liquid, and gases associated with various rock.
400
What Mineral is colorless when pure ?
Corundum
400
Where do most sedimentary rocks form ?
Under large bodies of water.
400
The size of the crystals in an igneous rock depends on the .. ?
Condition in which the rock was formed.
400
Metamorphic rocks are classified and identified based on ?
Composition and texture
500
All minerals are rocks, but .. ?
Not all rocks are minerals.
500
What chemical property can also be used for identification ?
A reaction of a mineral with Acid.
500
Sedimentary rocks are distinguished largely on the basis of their .. ?
Clay , Silt , Sand , or Larger sediment sizes.
500
Texture in igneous rocks depends on the size of .. ?
Mineral crystals
500
Metamorphic rocks have two types of textures in which is .. ?