minerals
Way the light reflects
what is luster?
what is the weakest type of rock
sedimentary
how do igneous rocks form
hardened lava or magma
What is a beautiful rock that is related to metamorphic rocks
Marble
What is despotion
the first step in sedimentary rock formation
A powder form of mineral
What is streak?
Which type of rock is made from layers of sediment that are compacted and cemented together
sedimentary
This rock is very durable and is commonly used for statues, such as the ones that are carved into stone mountain
What is granite?
What happens when metamorphic rock melts and then cools
It becomes magma and then becomes igneous rock
What is the 2nd step to sedimentary rock formation
Compaction
the cooling of magma and what is evaporation of a mineral solution
What is 2 ways a mineral can form?
What is compaction
Layers of sediment become pressed together over time
How is igneous rock transformed into metamorphic rock
The application of heat and pressure
How is a metamorphic rock formed
Existing rock changed by heat and/or pressure
How does sediment move?
Water or wind loosen and carrie away fragments of rock
Quartz can scratch Diamond- T or F
What is false?
What are deformations
These are features in metamorphic rock that change the shape of a rock due to a force placed on it. These forces may cause a rock to be squeezed or stretched
What are intrusive rocks
A rock that is formed under a volcano
What is name of one metamorphic rock?
Marble, slate, schist, gneiss, phyllite, quartzite
What are three forces that carry sediment
Running water, wind, ice
Name two different descriptions of a non-metallic luster
glassy, earthy & dull
What are ripple marks
These are features found in sedimentary rock that sometimes record the motion of wind and water waves on lakes, oceans, rivers, and sand dunes.
What is magma
This is the name given to molten rock that is still under a volcano
If the mineral grains are aligned in metamorphic rock
what is foliated?
When do sedimentary rocks form
When it is deposited by water and wind