Types of Igneous Rocks Quiz
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Questions and Answers

Which type of rock is formed from the cooling and solidification of magma or lava?

  • Sedimentary
  • Metamorphic
  • Igneous (correct)
  • Organic

What is the main characteristic of intrusive igneous rocks like granite?

  • Fine-grained crystals
  • Coarse-grained crystals (correct)
  • Contains fossils
  • Layered structure

Which rock type is most likely to contain fossils?

  • Igneous
  • Sedimentary (correct)
  • Metamorphic
  • Obsidian

What type of metamorphic rock has a banded or layered appearance?

<p>Foliated (A)</p> Signup and view all the answers

Which process transforms sedimentary rocks into metamorphic rocks?

<p>Heat and pressure (D)</p> Signup and view all the answers

What characteristic is typical of sedimentary rocks?

<p>Layers (strata) visible (B)</p> Signup and view all the answers

Which rock is formed from sand-sized particles and belongs to the sedimentary group?

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

Which of the following processes is part of the rock cycle?

<p>Metamorphic rocks turning into magma (A)</p> Signup and view all the answers

What type of rock is coal classified as?

<p>Organic sedimentary (C)</p> Signup and view all the answers

Which mineral property is used to identify rocks by observing the color of their powdered form?

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

Flashcards

Igneous Rock Formation

Rocks formed from cooled magma or lava.

Intrusive Igneous Rock

Igneous rock with coarse-grained crystals formed from slow cooling.

Sedimentary Rock Fossils

Sedimentary rocks often contain preserved remains of past life.

Foliated Metamorphic Rock

Metamorphic rock with a banded or layered appearance.

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Metamorphic Rock Formation

Sedimentary rocks changed by heat and pressure.

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Sedimentary Rock Layers

Sedimentary rocks showing visible layered structures (strata).

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Sandstone Composition

Sedimentary rock made of sand-sized particles.

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Rock Cycle Process

The continuous process of rock transformation.

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Coal Type

Organic sedimentary rock formed from ancient plant material.

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Rock Identification Streak

The color of a rock's powdered form used to identify it.

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