Igneous Rock Textures Quiz

Igneous Rock Textures Quiz

9th Grade

15 Qs

quiz-placeholder

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Igneous Rock Textures Quiz

Igneous Rock Textures Quiz

Assessment

Quiz

Science

9th Grade

Practice Problem

Hard

Created by

Mohammad Haidar

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the composition of a glassy texture in igneous rocks?

Composed of two distinctly different crystal sizes.

Composed of unordered atoms and resembles dark manufactured glass.

Composed of mineral grains that are large enough to be identified without a microscope.

Composed of crystals that are too small for the individual minerals to be identified without a microscope.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which texture is produced by the consolidation of fragments that may include ash?

Glassy texture

Vesicular texture

Pyroclastic texture

Aphanitic texture

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which texture is associated with a frothy volcanic glass?

Glassy texture

Vesicular texture

Porphyritic texture

Pyroclastic texture

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which rock is typically light in color and high in silica content?

Basalt

Gabbro

Granite

Shale

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main component of felsic rocks?

Iron

Magnesium

Silica

Calcium

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes a vesicular texture in rocks like Pumice?

Rapid cooling without gas bubbles

Trapped gas bubbles during rapid cooling

Slow cooling with gas bubbles

No gas bubbles during cooling

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which rock is not mentioned as having a vesicular texture?

Pumice

Obsidian

Basalt

Granite

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