Volcanoes and Plutons

The video explains the nature and types of volcanoes, including cinder cone, shield, and stratovolcanoes. It discusses ongoing volcanic activity and the formation of plutons and batholiths, using examples from Hawaii, the Cascade Mountains, and Yosemite National Park.

What is a volcano?

• A large body of water

• An opening in the Earth's crust

• A type of earthquake

• A mountain formed by tectonic plates

Which of the following is NOT a type of volcano mentioned?

• Underwater volcano

• Dome-shaped stratovolcano

• Flat shield

• Cinder cone

How long have volcanoes been erupting on Earth?

• For thousands of years

• For hundreds of years

• For millions of years

• For billions of years

What happens when a large pool of magma builds up under the surface?

• It creates a tsunami

• It raises the surface above it

• It forms a new volcano

• It causes an earthquake

What are batholiths?

• Types of volcanoes

• Exposed plutons due to surface erosion

• Large pools of magma

• Layers of sedimentary rock