Igneous Rocks And Minerals Question Preview (ID: 16549)
Do You Know Your Stuff On Minerals And Igneous Rocks?
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A smooth, flat break in a mineral is called _______.
a) cleavage
b) fracture
c) streak
d) density
Scientists use which scale to describe the hardness of a mineral?
a) bathroom scale
b) hardness scale
c) Mohs scale
d) Beverly's scale
A rough, uneven break in a mineral is called ________.
a) streak
b) cleavage
c) fracture
d) density
What is the softest mineral?
a) Flourite
b) Talc
c) Topaz
d) Diamond
Which mineral has a hardness scale of 10?
a) Flourite
b) Talc
c) Topaz
d) Diamond
The color of a mineral when rubbed against a peice of porcelain is called ________.
a) hardness
b) cleavage
c) fracture
d) streak
What type of Igneous rock is formed when magma cools quickly?
a) extrusive
b) magma
c) intrusive
d) lava
Choose the correct sequence to the formation of an Igneous rock.
a) lava, magma, cool
b) magma, lava, cool
c) cool, lava, magma
d) magma, cool, lava
What type of Igneous rock is formed when lava cools quickly?
a) extrusive
b) magma
c) intrusive
d) lava
All rocks are made of __________________.
a) dirt
b) sand
c) minerals
d) rocks
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