Rocks and the Rock Cycle Quiz

What are rocks primarily made of?

• Organic matter

• Water

• Mixtures of minerals and other materials

• Air

Which type of rock forms from cooled magma or lava?

• Metamorphic rocks

• Sedimentary rocks

• Igneous rocks

• Volcanic rocks

What is the most common extrusive rock?

• Basalt

• Limestone

• Granite

• Shale

What process leads to the formation of sedimentary rocks?

• Melting and crystallization

• Cooling and hardening

• Heating and pressure

• Weathering and erosion

Which of the following is an example of sedimentary rock?

• Marble

• Sandstone

• Basalt

• Granite

What is the main difference between intrusive and extrusive rocks?

• Mineral composition

• Location of formation

• Color

• Size of grains

What is conglomerate made from?

• Chunks of rock glued together

• Sand glued together

• Magma

• Shells and bones

What changes a rock into metamorphic rock?

• Weathering

• Heat and pressure

• Erosion

• Cooling

What is the rock cycle?

• A cycle of water

• A geological time period

• A series of processes that change rocks

• A type of rock

Which rock is formed from bones and shells of sea creatures?

• Limestone

• Granite

• Shale

• Basalt