Rocks and Rock Cycle

This rock started as molten magma. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

True or False: Once a rock is sedimentary, it cannot become an igneous rock.

• True
• False

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• magma, lava, crystals

The process by which igneous rocks are formed...

• heat and pressure
• melting and cooling
• weathering and erosion

The process by which metamorphic rocks are formed...

• heat and pressure
• erosion and deposition
• melting and cooling

Which of the following describes rocks formed by the compaction of living things?

• Clastic
• Organic
• Foliated 
• Nonfoliated

Which of the following describes rocks formed when sediments are buried, compacted, and cemented together?

• Clastic

• Organic

• Foliated

• Nonfoliated

Which rock is formed form the cooling of volcanic ash on Earth's surface?

• intrusive igneous

• foliated metamorphic

• extrusive igneous

• organic sedimentary

Which sedimentary rock has a fine-grained texture?

• 1

• 2

• 3

• 4