What can sediment become when it is buried and hardened?

• New rock

• Water

• Soil

• Air

What is the likely cause of the rock's formation mentioned in the document?

• Changes in temperature and pressure

• Changes in sunlight

• Changes in water levels

• Changes in air quality

What is another word for metamorphic rock formation?

• Erosion

• Metamorphism

• Sedimentation

• Crystallization

What type of rock is gneiss?

• Igneous

• Sedimentary

• Metamorphic

• Volcanic

What is the primary mineral content change in metamorphic rocks due to?

• Wind erosion

• Temperature and pressure

• Water flow

• Sunlight exposure

What type of rock is hornfels?

• Igneous

• Sedimentary

• Metamorphic

• Volcanic

What happens to shale near a magma chamber?

• It melts completely

• It forms hornfels

• It becomes sedimentary rock

• It remains unchanged

What is the effect of high pressure on rocks?

• It makes them lighter

• It causes them to change form

• It breaks them apart

• It cools them down

What are the three types of rocks that can change into metamorphic rock?

• Sedimentary, igneous, metamorphic

• Igneous, volcanic, sedimentary

• Metamorphic, volcanic, sedimentary

• Sedimentary, igneous, volcanic

What causes the formation of metamorphic rock?

• Increased temperature and pressure

• Decreased temperature and pressure

• Erosion and weathering

• Cooling and solidification