Rocks vs
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Questions and Answers

What is the main difference between rocks and minerals?

  • Rocks have no definite shape, while minerals have a specific structure (correct)
  • Rocks are found on the earth's surface, while minerals are found in the earth's crust
  • Rocks are part of the rock cycle, while minerals have nutritional value
  • Rocks are always multicolored, while minerals are inorganic

What defines a mineral?

  • A mineral is a solid found on the earth's surface
  • A mineral is a naturally occurring substance with unique chemical and physical properties (correct)
  • A mineral is part of the rock cycle and contains fossils
  • A mineral is always multicolored and inorganic

Why is magma not considered a mineral in its liquid form?

  • Because minerals are always in solid form
  • Because magma lacks a crystalline internal structure (correct)
  • Because magma is not inorganic
  • Because magma is not naturally occurring

How are minerals classified?

<p>By their chemical composition and crystalline structure (D)</p> Signup and view all the answers

Why are diamonds considered minerals and not rocks?

<p>Because diamonds have a unique chemical composition and crystalline structure (B)</p> Signup and view all the answers

What is the distinguishing feature of a mineral's crystalline structure?

<p>It arranges itself in a unique and organized manner (B)</p> Signup and view all the answers

What is an example of the crystalline structure of minerals?

<p>Salt (NaCl) (C)</p> Signup and view all the answers

What is the process for changing sedimentary rock into metamorphic rock?

<p>Heat &amp; pressure, deformation and recrystallization (C)</p> Signup and view all the answers

Which rock type emerges from volcanoes?

<p>Basalt (B)</p> Signup and view all the answers

What is the defining characteristic of a non-foliated metamorphic rock?

<p>It has no visible layers or banding (B)</p> Signup and view all the answers

How is the number of sides of a crystal structure classified?

<p>By counting the different faces the crystal has (B)</p> Signup and view all the answers

What is the distinguishing feature of hexagonal close-packed (HCP) crystalline structure?

<p>A hexagon structure with multiple layers (A)</p> Signup and view all the answers

What is the main difference between intrusive and extrusive igneous rocks?

<p>Where they are formed (D)</p> Signup and view all the answers

What is the primary factor used to classify rocks?

<p>How they are formed (C)</p> Signup and view all the answers

Why is a rock not considered a mineral?

<p>Rocks do not always have a definite crystalline structure (C)</p> Signup and view all the answers

What is the main difference between rocks and minerals?

<p>Rocks have no definite shape, while minerals have a specific structure (B)</p> Signup and view all the answers

What defines a mineral according to the text?

<p>Naturally occurring substance with unique chemical and physical properties (C)</p> Signup and view all the answers

Why is magma not considered a mineral?

<p>It is not a solid (A)</p> Signup and view all the answers

How are minerals classified?

<p>By their chemical composition and crystalline structure (B)</p> Signup and view all the answers

What is an example of a mineral's crystalline structure according to the text?

<p>Salt (NaCl) (B)</p> Signup and view all the answers

Why are diamonds considered minerals and not rocks?

<p>They have a definite crystalline structure (B)</p> Signup and view all the answers

What is the defining characteristic of rocks according to the text?

<p>They may contain multiple minerals, but usually have no definite shape (A)</p> Signup and view all the answers

How is the solubility of minerals used to characterize them?

<p>By examining how easily they dissolve in water or other solvents (D)</p> Signup and view all the answers

What is the main difference between intrusive and extrusive igneous rocks?

<p>Intrusive rocks form from magma that cools below the Earth's surface, while extrusive rocks form from lava that cools on the Earth's surface (A)</p> Signup and view all the answers

What is the process through which sedimentary rocks can transform into metamorphic rocks?

<p>Through heat &amp; pressure, deformation and recrystallization (B)</p> Signup and view all the answers

How are the three main types of crystalline structures classified?

<p>By the number of sides, angles, cleavage, and fracture (A)</p> Signup and view all the answers

What is the main difference between foliated and non-foliated metamorphic rocks?

<p>Foliated rocks have a layered or banded appearance, while non-foliated rocks do not (D)</p> Signup and view all the answers

What is the main difference between cubic close-packed (CCP) and hexagonal close-packed (HCP) crystalline structures?

<p>CCP has a cube structure with multiple layers, while HCP has a hexagon structure with multiple layers (A)</p> Signup and view all the answers

What is the primary characteristic used to differentiate between intrusive and extrusive igneous rocks?

<p>Grain texture (B)</p> Signup and view all the answers

How do geologists classify crystal structures?

<p>By the number of sides, angles, cleavage, and fracture (B)</p> Signup and view all the answers

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