Igneous Rock Characteristics and Classification
Interactive Video
•
Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process is responsible for the formation of igneous rocks?
Metamorphism
Sedimentation
Crystallization
Erosion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What term is used to describe igneous rocks with large crystals?
Aphanitic
Phaneritic
Vesicular
Porphyritic
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which texture is formed when lava cools rapidly and traps gas bubbles?
Glassy
Vesicular
Porphyritic
Pegmatitic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term for igneous rocks with a mixture of fine and coarse grains?
Porphyritic
Phaneritic
Pegmatitic
Aphanitic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of origin is associated with igneous rocks that cool slowly underground?
Extrusive
Intrusive
Sedimentary
Volcanic
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary factor that controls the texture of igneous rocks?
Weight
Crystal size
Color
Density
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of igneous rock has the highest silica content?
Intermediate
Felsic
Ultramafic
Mafic
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