Volcanoes

There are no active volcano in Australia because ______

• It sits in the left side of a tectonic plate.

• It sits in the middle of a tectonic plate.

• It sits in the right side of a tectonic plate.

• It sits in the northeast of the Pacific Ring of Fire.

It is the main part of a volcano that supplies magma.

• cone

• caldera

• vent

• flank

This is also called as mudflows.

• lahar

• tephra

• sills

• lava

Shield volcano is said to be _______

• Broad, gently sloping landform that is built by many layers of high-viscous lava flows

• Constructed of alternating layers of pyroclastic materials

• Broad, gently sloping landform that is built by many layers of low-viscous lava flows

• Rounded, steep-sided mound that is formed by small masses of lava

When a volcano becomes extinct, no further material is added to the _____.

• crater

• magma

• magma chamber

• cone

The top 1 most famous volcano in the world.

• Mauna Loa

• Mt. Kilauea

• Mauna Ulu

• Mt. Eyjafjallajökull

What are the two main factors that make up lava composition?

• viscosity and gas

• viscosity and silica

• gas and silica

• gas and the type of volcano

If a volcano has a high gas content, which type of eruption will it have?

• more effusive

• more eruptive

• more explosive

• less explosive

The chain of volcanoes around the Pacific Ocean is called the ____.

• Ring of Fire

• Ring of Volcanoes

• Volcanoes of the Pacific

• Mordor

What type of volcano do we normally associate with hot spots?

• shield

• cinder cone

• stratovolcano

• composite