Rocks-Science Quiz Flashcards
What are the two things that rocks are made of?
Rocks are made out of mineral and organic matter.
What are minerals made of?
Elements NOT rocks
What kind of rock forms at or near earths surface?
Sedimentary rock
What kind of rock is formed by heat and pressure?
Metamorphic rock
What kind of rock is formed from cooled magma?
Igneous rock
What are strata?
Strata are layers of sedimentary rock
How are the layers in sedimentary rock formed?
Layers of sedimentary rock are formed by stratification
What two things does sedimentary rock not need to form?
Heat and pressure
What are three types of sedimentary rock based on their composition? What is one example of a sedimentary rock?
- Clastic
- Chemical
- Organic
- Limestone
Where does contact metamorphism occur?
Contact metamorphism occurs near magma
Where does regional metamorphism occur?
Regional metamorphism occurs deep below other rock formations
What causes metamorphic rock to change its shape?
Deformation causes it to change its shape
What are types of rock textures?
Foliated and nonfoliated
What is an example of a metamorphic rock?
Quartzite
What are two things that describe a Felsic rock?
Light colored and less dense
What are two things that describe a mefic rock?
Dark colored and more dense
Quickly cooling magma solidifies into what kind of a grained rock?
Quickly cooling magma solidifies into a fine-grained rock
Slowly cooling magma solidifies into what kind of a grained rock?
Slowly cooling magma solidifies into a coarse-grained rock
What kind of texture does an intrusive rock have? Where is intrusive rock found?
Intrusive rock has coarse texture and is found deep in the earth
What kind of texture does extrusive rock have? Where is it extrusive rock found?
Extrusive rock has fine texture and is found closer to the surface of Earth
What is an example of an intrusive rock?
Granite
Which freezes quicker, water or magma?
Magma
