Igneous Rocks And Minerals Question Preview (ID: 16549)


Do You Know Your Stuff On Minerals And Igneous Rocks? TEACHERS: click here for quick copy question ID numbers.

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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