earth science Exam 2 study guide

What is the definition of rocks in Earth Science?

• Hard substances found on mountains

• A type of soil

• Naturally occurring aggregates of minerals

• Large boulders

What are the three main rock groups in the rock cycle?

• Sedimentary, Igneous, and Metamorphic

• Volcanic, Plutonic, and Sedimentary

• Clastic, Non-clastic, and Foliated

• Basalt, Granite, and Limestone

Which process involves the solidification of molten rock?

• Weathering

• Erosion

• Crystallization

• Compaction

What is the term for the process of rock breaking down into smaller particles due to physical forces?

• Erosion

• • Weathering

• • Deposition

• • Diagenesis

What is the classification of igneous rocks based on?

• Color

• • Shape

  
  

• Texture and composition

• Size

Which type of igneous rocks result from rapid cooling?

• Volcanic (extrusive)

• Plutonic (intrusive)

• Metamorphic

• Sedimentary

What is the main factor that determines the color of igneous rocks?

• Temperature

• Pressure

• Silica content

• Time

Which of the following is an example of a volcanic (extrusive) igneous rock?

• Granite

• Basalt

• Gneiss

• Shale

What are the Earth surface processes involved in the formation of sedimentary rocks?

• Melting and crystallization

• Weathering, erosion, transportation, deposition, and diagenesis

• Metamorphism and compaction

• Volcanic eruptions

How are sedimentary rocks classified based on their particle origin?

• Color

• Size

• Texture

• Composition