Unit 2 Lessons 3 And 4 ~ The Rock Cycle And Three Classes Of Rock - Part 2 Question Preview (ID: 29999)


Characteristics, Identification, Classification, And Formation Of Rocks. TEACHERS: click here for quick copy question ID numbers.

the chemical makeup of a rock; describes either the minerals or other materials in the rock
a) composition
b) texture
c)
d)

the quality of a rock that is based on the sizes, shapes, and positions of the rock's grains
a) compsition
b) texture
c)
d)

a rock texture that has small grains that can only be seen using a magnifying glass or microscope
a) fine-grained
b) medium-grained
c) coarse-grained
d)

a rock texture that has large grains that are easy to see with our eyes
a) fine-grained
b) medium-grained
c) coarse-grained
d)

a rock texture in between fine and coarse
a) fine-grained
b) medium-grained
c) coarse grained
d)

molten or melted rock inside the Earth's surface
a) magma
b) lava
c)
d)

molten or melted rock that reaches the Earth's surface
a) magma
b) lava
c)
d)

rocks that form when hot liquid rock cools and hardens
a) igenous
b) sedimentary
c) metamorphic
d)

igneous rock that forms from magma that pushes into surrounding rock below Earth's surface and then cools
a) intrusive igneous rock
b) extrusive igneous rock
c)
d)

igneous rock that forms when lava erupts onto Earth's surface
a) intrusive igneous rock
b) extrusive igneous rock
c)
d)

Obsidian is often called this because it looks like glass
a) volcanic glass
b) window glass
c) igneous glass
d) magma glass

long cracks in the Earth's crust where lava and erupts and flows sometimes
a) fissures
b) crystals
c) rocks
d) minerals

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