Rocks and the Rock Cycle

The main process involved in the formation of sedimentary rocks is (a)   .

• Melting
• Solidification
• Compaction and cementation
• Crystallization

What is the primary characteristic of metamorphic rocks?

• Formed from lava

• Formed under high pressure and temperature

• Contains fossils

• Made from sediments

What does the texture of a rock refer to?

• The color of the rock

• The size, shape, and arrangement of components

• The weight of the rock

• The age of the rock

Which type of rock is considered a middle ground between mafic and felsic?

• Ultramafic

• Intermediate

• Felsic

• Silica-rich

What is the primary characteristic of ultramafic rocks?

• High silica content

• High iron and magnesium content

• High potassium content

• High sodium content

Diorite is classified as which type of composition?

• Mafic

• Felsic

• Intermediate

• Ultramafic

Andesite is a type of (a)   igneous rock.

• Intrusive
• Extrusive
• Plutonic
• Phaneritic

Where do extrusive rocks cool?

• Below the surface

• On the surface

• In the ocean

• Inside volcanoes

Which type of igneous rock is associated with fast cooling?

• Intrusive rocks

• Extrusive rocks

• Metamorphic rocks

• Sedimentary rocks

Match the following types of rocks with their cooling rates.

• Extrusive rocks

• Slow

• Volcanic glass

• Variable

• Metamorphic rocks

• Fast

• Intrusive rocks

• Instant

Tags

NGSS.MS-PS1-4