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Unit 2 Lessons 3 And 4 ~ The Rock Cycle And Three Classes Of Rock - Part 2
Test Description: Characteristics, identification, classification, and formation of rocks.
Instructions: Answer all questions to get your test result.
1) the chemical makeup of a rock; describes either the minerals or other materials in the rock
A
composition
B
texture
2) the quality of a rock that is based on the sizes, shapes, and positions of the rock's grains
A
texture
B
compsition
3) a rock texture that has small grains that can only be seen using a magnifying glass or microscope
A
fine-grained
B
coarse-grained
C
medium-grained
4) a rock texture that has large grains that are easy to see with our eyes
A
coarse-grained
B
medium-grained
C
fine-grained
5) a rock texture in between fine and coarse
A
medium-grained
B
coarse grained
C
fine-grained
6) molten or melted rock inside the Earth's surface
A
lava
B
magma
7) molten or melted rock that reaches the Earth's surface
A
magma
B
lava
8) rocks that form when hot liquid rock cools and hardens
A
igenous
B
sedimentary
C
metamorphic
9) 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
10) igneous rock that forms when lava erupts onto Earth's surface
A
intrusive igneous rock
B
extrusive igneous rock
11) Obsidian is often called this because it looks like glass
A
window glass
B
volcanic glass
C
magma glass
D
igneous glass
12) long cracks in the Earth's crust where lava and erupts and flows sometimes
A
minerals
B
crystals
C
rocks
D
fissures
*select an answer for all questions
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