Uni3 review test Flashcards
have a uniform structure or composition
Minerals
Coal is made from the remains of dead plants. It is made of carbon and other elements. Is coal a mineral?
No, because it is an organic substance.
Beryl is shaped like a six-sided prism. Beryl is part of the _____.
hexagonal crystal system
Salt crystals are shaped like cubes. Salt is part of the _____.
isometric crystal system
measured using the Mohs scale
Hardness
The hardest known mineral is _____.
diamond
Gold is opaque and reflective. It has a _____.
metallic luster
What are the characteristics of a mineral
occur naturally
be solid
have a crystalline structure
form from non-living material (inorganic)
have a homogeneous composition
way light reflects from a mineral
luster
way a mineral breaks under stress
cleavage
reveals true, natural color of a mineral
streak
least reliable property for identification
color
Type of Rock
obsidian
extrusive igneous
Type of Rock
granite
intrusive igneous
Type of Rock
conglomerate
clastic sedimentary
Type of Rock
evaporite
chemical sedimentary
Type of Rock
coal
extrusive igneous
Type of Rock
marble
metamorphic
What would be the result of the rock if it cooled down quickly
It would be small
What rock is found in continental crust
Granite
Which of the following rocks would most likely be found on the ocean floor?
basalt
What type of rocks are made from the remains of living organisms
Organic sedimentary rocks
Which of the following rocks would most likely contain a fossil?
limestone
The types of clastic sedimentary rock are based on _____.
clast size
Stalactites and stalagmites are examples of _____.
chemical sedimentary rock
what type of rock is formed from heat and pressure
Metamorphic rock
What type of metamorphism
caused by pressure from a large-scale geological event
regional
What type of metamorphism
magma heats preexisting rock
contact
What type of metamorphism
extreme pressure deforms preexisting rock
Dynamic
A metamorphic rock forms from directed pressure. The rock is _____.
foliated
What type of rocks can a Metamorphic rock can form from
metamorphic rock
sedimentary rock
igneous rock
What type of cycle is is powered by the movement of tectonic plates.
Rock cycle
organic material made from plants and animals
biomass
an individual particle or grain in sedimentary rock
clast
chemical sedimentary rock formed when minerals are left behind by evaporated water
evaporite
forming outside, on the surface of Earth’s crust
extrusive
having a uniform structure or composition
homogeneous
weathered rock, bone fragments, soil, and other particles carried by wind, water, and ice
sediment
