pt 3 .2

Which part of Earth's interior has two distinct layers?

• Crust

• Mantle

• Core

• Crust and Core

Which is Earth's thinnest layer?

• Crust

• Inner Core

• Mantle

• Outer Core

A mineral is a naturally occurring solid that can corm by inorganic processes and has a crystal structure and definite chemical composition.

• True

• False

Which process acts on Earth's surface to break rocks into pieces?

• compaction

• deposition

• erosion

• weathering

Metamorphic rock forms as a result of changes in ______ and _______ in Earth's interior.

• melting and weathering

• weathering and erosion

• heat and pressure

• deposition and heat

A rock sample contains tiny pieces of other rocks that are cemented together.

Is it an igneous, sedimentary, or metamorphic rock?

Explain your answer.

• Igneous, because it is a type of rock that is formed from sediment that is cemented together.

• Sedimentary, because it is a type of rock that is formed from sediment that is cemented together.

• Metamorphic, because it is a type of rock that is formed from sediment that is cemented together.

Which of the following leads most directly to the production of igneous rock?

• formation of magma

• cementation of rocks

• weathering of rocks

• deposition of sediment

What is a step in the process of a rock changing from sedimentary to igneous?

• crystallization

• deposition

• erosion

• melting

The part of the Earth that includes rocks, minerals, and all of the landforms.

• biosphere

• geosphere

• hydrosphere

• atmosphere

Pieces of land that sit on the Earth's crust, that connect together like a puzzle and move over time are called ____________.

• continental drift

• transform boundaries

• tectonic plates

• geosphere