Question 1

What are the three major types of rocks?

Accepted Answer

igneous, sedimentary, and metamorphic

Answer

sedimentary, crystalline, and clastic

Answer

igneous, organic, and clastic

Answer

metamorphic, chemical, and organic

Question 2

What process leads to the formation of sedimentary rock?

Accepted Answer

compaction and cementation

Answer

magma solidification

Answer

crystallization

Answer

melting and cooling

Question 3

What is the definition of metamorphism?

Accepted Answer

the process in which one type of rock changes into metamorphic rock due to temperature and pressure changes

Answer

the process of rock erosion

Answer

the formation of sedimentary layers

Answer

the solidification of magma

Question 4

What is a characteristic of foliated metamorphic rocks?

Accepted Answer

minerals are arranged in planes or bands

Answer

they have large, visible crystals

Answer

they are always non-foliated

Answer

they only contain one mineral type

Question 5

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

Accepted Answer

intrusive rock forms underground, while extrusive forms at the surface

Answer

both forms from lava but in different environments

Answer

intrusive has larger crystals than extrusive

Answer

intrusive is light-colored, extrusive is dark-colored

Question 6

What are clastic sedimentary rocks composed of?

Accepted Answer

rock fragments that have been compacted and cemented together

Answer

volcanic ash and lava

Answer

organic materials from plants and animals

Answer

minerals precipitated from water

Question 7

What type of rock is formed when limestone undergoes metamorphism?

Accepted Answer

marble

Answer

gneiss

Answer

schist

Answer

granite

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