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Igneous Rocks - Mr. Kohn's Earth Science Flashcards | StudBud
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Igneous Rocks - Mr. Kohn's Earth Science
Igneous Rocks - Mr. Kohn's Earth Science
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Igneous & Sedimentary Rock Questions #rocks
Flashcards
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Questions
15
Answers
1
Which type of igneous rock has a density less than 1 gram per cubic centimeter?
gabbro
pumice
basalt
granite
2
Basalt is an example of an
extrusive igneous
rock because is has _________ crystals.
very large
expensive
very small
purple
3
Rocks are classified by ____________.
How they look under a microscope
How they form
What color they are
How they break apart
4
What is this very common igneous rock?
basalt
obsidian
granite
anorthosite
5
Granite is an example of an
Intrusive Igneous
rock because is has _______ crystals.
pink
large
small
medium
6
Obsidian is an igneous rock that has no crystals because it cooled extremely __________.
slowly
quickly
7
Igneous rocks formed from lava above Earth's surface are called ____________.
intrusive
organic
extrusive
waxy
8
What is this "salt and pepper" igneous rock?
obsidian
basalt
gabbro
granite
9
True or False: Fossils are commonly found in igneous rocks.
FALSE
TRUE
10
What is
your
favorite
igneous rock feature
located in the United States !?!?
Yellowstone N.P. Caldera
Yosemite N.P. Granitic batholiths
Hawaiian Island Lava Tubes
Shiprock Volcanic Neck - New Mexico
11
Igneous rocks are formed from___________.
lava & magma
heat & pressure
sediment
soil & water
12
Igneous rocks forming from magma beneath Earth's surface are called _______________.
explosive
extrusive
organic
intrusive
13
What is this very common igneous rock?
obsidian
basalt
granite
sandstone
14
What type of igneous rock was the
"Genesis Rock"
from the Apollo 15 mission to the moon?
anorthosite
basalt
granite
obsidian
15
Igneous is a Latin word that means:
born of water
born to be wild
born of smoke
born of fire