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</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</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</p> Signup and view all the answers

    What is an example of the crystalline structure of minerals?

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

    Which rock type emerges from volcanoes?

    <p>Basalt</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</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</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</p> Signup and view all the answers

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

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

    What is the primary factor used to classify rocks?

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

    Why is magma not considered a mineral?

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

    How are minerals classified?

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

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

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

    Why are diamonds considered minerals and not rocks?

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

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

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

    How do geologists classify crystal structures?

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

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