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Rocks : Igneous Rocks
Test Description: Rocks ang igneous rocks
Instructions: Answer all questions to get your test result.
1) What minerals are found in granite?
A
Malachite, mica, feldspar, copper
B
Quartz, mica, fluorite, corundum
C
Limestone, mica, calcite, galena
D
Feldspar, hornblende, quartz, mica,
2) Which element(s) make a rock attract to a magnet?
A
iron or nickel
B
copper
C
zinc or aluminum
D
magnesium
3) A rock with porphyritic texture has.....
A
small and large rocks scattered throughout the formed rock
B
large crystals scattered on a background of much smaller crystals
C
felsic and mafic characteristics
D
small crystalls
4) Which sentence is true about the grain size in rock?
A
Flint is an example of a coarse grained flint.
B
Grains in fine-grained rocks are easy to see.
C
Grains in coarse-grained rocks are microscopic.
D
Example of coarse-grained is diorite and fine-grained is slate.
5) The grain shape of a rock, such as granite, is determined by....
A
Coarseness of the rock\'s grains
B
Size of the crystals that form the rock
C
Shape of the rock's crystals that form the rock
D
Shape of fragments of other rocks
6) Which sentence is true about the silica composition of igneous rocks
A
Igneous rocks low in silica are usually dark colored.
B
An example of an igneous rock low in silica is granite.
C
Igneous rocks high in silica are usually dark colored.
D
An example of an igneous rock high in silica is basalt.
7) Particles of minerals and other rocks that make up rock are called
A
sediment
B
textures
C
rock fragments
D
grains
8) Which sentence is true about basalt?
A
It is the most common intrusive rock
B
It forms beneath the Earth\'s surface
C
It forms from lava and much of the Earth\'s oceanic crust
D
It consists of large crystals
9) Why have people throughout history, use igneous rocks for tools and building materials?
A
They are decorative and coarse-grained
B
They are good abrasives, ancient, and beautiful
C
They are hard, dense, and durable
D
They are malleable, soft and abundant
10) The defintion of an igneous rock is?
A
Rock that contains iron
B
Rock that forms from magma or lava
C
Rock that forms from minerals
D
Rock that contains iron
*select an answer for all questions
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