Show:
Rock Cycle
Igneous
Intrusive
Extrusive
Misc.
100
what are the 3 types of rocks?
Metamorphic, Sedimentary, Igneous
100
How are Igneous rocks formed?
Cooling of magma into crystals
100
Intrusive rocks cool into what? (Hint. Starts with a C)
Cyrstals
100
Extrusive rocks cool very ___?
Quickly.
100
What year was Mr.Krahn born in? 1986, 1987, or 1989.
1986.
200
How do Metamorphic rocks turn into sediments?
Weathering and erosion
200
What 2 groups can Igneous rocks be put in?
Intrusive and Extrusive
200
Intrusive rocks form ___ the earths surface.
Under.
200
What are glassy extrusive rocks called?
Volcanic glass.
200
What is a rock?
A mixture of minerals.
300
True or False: Intrusive is one of the three types of rock
False, it is a category of Igneous rock
300
True or False: Magma is when it is above the Earth's surface.
False, it's when it is below.
300
Intrusive Igneous rocks cool very _____.
Very slowly
300
True or false- Diorite is an extrusive rock?
False, intrusive.
300
What does lithification mean?
Compaction of sediments under pressure becoming solid rock.
400
How are sediments turned into Sedimentary rocks?
compaction/cementation
400
True or False: Is Shale a type of Igneous rock?
False, it is a type of Sedimentary rock.
400
What forms the rock mass off an intrusive rock? A) crystals broken apart. B)Crystals locked together. C) no crystals at all.
B) crystals locked together.
400
Glassy extrusive rocks, called volcanic glass, cool down so fast there is _____ crystal. A)lots. B) none. C)minimal
C.Minimal.
400
How many hours do cats sleep per day? A) 10-12. B)8-9 C)16-18.
c) 16 to 18 hours
500
All rocks are ___ and ____ to form Sedimentary rocks?
eroded and weathered
500
How do Igneous rocks turn into Metamorphic rocks?
Heat and pressure