Lava Types and Volcano Characteristics

The video tutorial explores the differences between two types of volcanoes: cone and shield volcanoes. Cone volcanoes are tall and conical, while shield volcanoes are wide and flat. The rocks from cone volcanoes are light-colored felsite, whereas shield volcanoes produce dark basalt rocks. The video also discusses two types of lava: thin and runny versus thick and pasty. The differences in lava types may explain the distinct characteristics of the two volcano types.

What shape is typically associated with a cone volcano?

• Flat and wide

• Tall and conical

• Round and dome-like

• Irregular and jagged

Why are shield volcanoes named as such?

• They are shaped like a mountain.

• They are named after a scientist.

• They are shaped like a cone.

• They are shaped like a Viking battle shield.

What type of rock is associated with cone volcanoes?

• Obsidian

• Felsite

• Granite

• Basalt

What color are the rocks from shield volcanoes?

• Light pink

• Dark gray or black

• Pale tan

• White

Which type of lava is described as thin and runny?

• Thick and pasty

• Thin and runny

• Viscous and slow

• Solid and hard

What is the consistency of the lava that erupts from shield volcanoes?

• Thick and pasty

• Thin and runny

• Solid and hard

• Viscous and slow

What material is the thick and pasty lava compared to?

• Syrup

• Water

• Toothpaste

• Sand

Which type of volcano is associated with thick, pasty lava?

• Shield volcano

• Cone volcano

• Dome volcano

• Stratovolcano

What is a key difference between the two types of lava discussed?

• Origin

• Color

• Temperature

• Viscosity

How do scientists study lava without visiting a volcano?

• By reading historical texts

• By observing satellite images

• By melting rocks in a lab

• By using computer simulations