Understanding Rock Formation Processes

How are sedimentary rocks primarily formed?

• By the cooling and solidification of magma

• By the accumulation and compaction of mineral and organic particles

• By the transformation of existing rock types through heat and pressure

• By the crystallization of minerals from a solution

Tags

NGSS.MS-ESS2-1

Which of the following is a characteristic of intrusive igneous rocks?

• They form on the Earth's surface

• They have large, visible crystals

• They are formed by the accumulation of sediments

• They are typically fine-grained

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

• Intrusive rocks form from lava, while extrusive rocks form from magma

• Intrusive rocks form below the Earth's surface, while extrusive rocks form on the surface

• Intrusive rocks are formed by sedimentation, while extrusive rocks are formed by metamorphism

• Intrusive rocks are always denser than extrusive rocks

Which process is primarily responsible for the formation of metamorphic rocks?

• Melting and solidification

• Weathering and erosion

• Heat and pressure

• Evaporation and precipitation

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

• Sedimentary

• Metamorphic

• Igneous

• Fossiliferous

Which of the following is an example of a sedimentary rock?

• Granite

• Basalt

• Limestone

• Marble

What is the main agent of metamorphism that leads to the formation of metamorphic rocks?

• Water

• Wind

• Heat and pressure

• Ice

Which type of rock is typically formed from the remains of plants and animals?

• Igneous

• Metamorphic

• Sedimentary

• Volcanic

Tags

NGSS.MS-LS2-3

What is the term for the process by which sedimentary rocks are formed from sediments?

• Crystallization

• Lithification

• Metamorphism

• Erosion

Which of the following rocks is an example of an extrusive igneous rock?

• Granite

• Gabbro

• Basalt

• Schist

Tags

NGSS.MS-ESS2-1