Understanding Volcanism

What is the term used for magma once it reaches the Earth's surface?

• Basalt

• Sedimentary rock

• Lava

• Igneous rock

What is the name given to the process when lava cools and forms new land?

• Metamorphism

• Extrusive volcanism

• Sedimentation

• Erosion

What type of rock is formed when lava cools on the Earth's surface?

• Sedimentary rock

• Metamorphic rock

• Igneous rock

• Limestone

What happens to melted rock beneath the Earth's surface in intrusive volcanism?

• It erupts immediately

• It forms sedimentary layers

• It becomes trapped and cools slowly

• It turns into water

How does intrusive volcanism differ from extrusive volcanism?

• It occurs on the Earth's surface

• It involves rapid cooling

• It forms sedimentary rocks

• It happens below the Earth's surface