The Rock Cycle Quiz

What is the rock cycle?

• A process where rocks are recycled into different types over millions of years

• A yearly event where rocks are displayed in museums

• A type of rock found only in tropical regions

• A geological theory that was disproved in the 20th century

Which type of rock is formed from molten rock?

• Boulder

• Igneous rock

• Metamorphic rock

• Sedimentary rock

What causes sedimentary rocks to form?

• Melting under extreme heat

• Volcanic eruptions

• Compression and heating of other rock types

• Deposition of small rock pieces in water

What is metamorphic rock formed from?

• Cooling lava

• Deposits of organic material

• Other rocks under heat and pressure

• Condensation of minerals

Which process describes the movement of small rock pieces by water or wind?

• Cementation

• Erosion

• Extrusion

• Compaction

What is the first stage in the formation of sedimentary rocks?

• Sediment transport

• Cementation

• Deposition

• Sedimentation

Which type of weathering involves plants breaking rocks?

• Erosional weathering

• Biological weathering

• Physical weathering

• Chemical weathering

What does chemical weathering involve?

• Physical breaking due to wind

• Water freezing and thawing

• Plant roots

• Reaction of rock minerals with substances in the environment

What is the main cause of physical weathering?

• Animal activities

• Chemical reactions

• Temperature changes

• Pressure from overlying rock layers

Which rock type can change into a metamorphic rock?

• Only sedimentary rocks

• Both igneous and sedimentary rocks

• Only igneous rocks

• Metamorphic rocks only