Classifying Rocks
How Rocks Form
Sedimentary Rocks
Metamorphic Rocks
Rock Cycle/Reefs
100
What are rocks made of?
Mixtures of minerals and other stuff
100
What are the 3 major groups of rock?
Igneous, Metamorphic, and Sedimentary
100
What is sediment?
Small, solid pieces of material that come from rock or living things
100
What is metamorphic rock?
A rock that has changed its form
100
What is the first step in making Igneous rock into Sedimentary rock?
Weathering and erosion
200
What helps classifying rocks?
Color and Texture
200
What are the 2 main types of Igneous rock?
Intrusive and Extrusive
200
What is erosion also called?
Weathering
200
What changes any rock into metamorphic rock?
Heat and Pressure
200
What is a coral reef?
A structure of calcite and skeletons built up by coral animals in warm shallow ocean water
300
What are 3 ways geologists describe the grains of a rock?
Grain size, Grain shape, Grain pattern
300
Geologists classify rocks according to its what?
Origin
300
What are the 4 processes that turn sediment into rock?
Erosion, Depostion, Compaction, and Cementation
300
What are the 2 major types of metamorphic rock?
Foliated and Non-Foliated
300
True or False? Does the Rock Cycle have cycles inside a cycle?
True
400
What are the 3 ways to describe grain size?
Coarse, Fine, and no visible grain
400
Igneous comes from what word that means fire?
Ignis
400
What are the 4 processes that erode rock and turn it into sediment?
Heat, Water, Wind, and Ice
400
What do geologist classify metamorphic rock according to?
The arrangement of the grains
400
Technically a coral reef is what type of rock?
Sedimentary
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