Minerals
Sedimentary Rocks
Igeneous/
Metamorphic Rocks
Fossils
Review
100
What term describes how light reflects off of a mineral?
Luster
100
What term means sediment settles in a specific location?
Deposition
100
What is the difference between extrusive and intrusive igneous rock?
extrusive-above the earth's surface intrusive-below the earth's surface
100
What type of fossil is made of a hollow place where an organism used to be?
mold
100
What types of fossil leaves a thin coating of dust on rocks and other materials?
carbon film
200
What is the density formula?
Density = Mass/Volume
200
What term means that sediments are glued together?
Cementation
200
What is the main mineral in igneous rock?
silica
200
What type of fossil leaves a completelikeness of the organism?
cast
200
What is the term that measn the constant changing of the rocks on the earth?
rock cycle
300
Who came up with the hardness scale?
Moh
300
What term means the movement of sediment to a new location?
Erosion
300
What type of grain is smooth when talking about igneous rock?
fine
300
What type of fossil has minerals that replace some or all of an organism?
Petrified
300
What is the term that means the way a rock looks and feels?
texture
400
What is the first mineral on the hardness scale?
Talc
400
What rocks are made of living things such as plants or animals?
organic
400
What two things help change a sedimentary rock into a metamorphic rock?
heat and pressure
400
What type of fossil provides evidence of the activities of ancient organisms?
trace
400
Where is feldspar on the hardness scale?
6
500
What term means the breaking of a rock in an irregular way?
fracture
500
What type of rock forms when minerals are placed in a solution and form crystals?
Chemical
500
What is the difference between foliated and non-foliated rock?
foliated-grain aligns a pattern (usually horizontal) non-foliated- no real pattern
500
What type of rock can fossils be found in?
sedimentary
500
What type of grain has a rough feel like sand paper?
coarse
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