Volcanoes test review

What is molten rock that has formed deep within the Earth?

• Hot Spot
• Magma
• Lava
• Volcano

The formation of magma depends on which set of conditions?

• Pressure, Density, and Water Content
• Temperature, Density, and Pressure
• Temperature, Density, and Water Content
• Temperature, Pressure, and Water Content

The volcanoes on the Hawaiian Islands form due to which of the following?

• Divergent Boundary
• Hot Spot
• Subduction Boundary
• Transform Boundary

What are solid rock fragments that are ejected during a volcanic eruption?

• Lahar

• Magma
• Pyroclastic Material
• Silica

What type of volcano has steep slopes made of alternating layers of ash and silica rich lava?

• Caldera
• Cinder Cone
• Composite Volcano
• Shield Volcano

What type of volcano is made of lava fragments that have been ejected from a volcanic vent?

• Caldera
• Cinder Cone
• Composite Volcano
• Shield Volcano

What type of volcano is Kilauea, which is located in Hawaii?

• Caldera
• Cinder Cone
• Composite Volcano
• Shield Volcano

Where are most volcanoes found?

• Southern Hemisphere
• Ring of Fire
• Mid-Atlantic Ridge
• Hot Spots

What is molten rock that has reached the Earth's surface?

• Aa
• Lava
• Magma
• Pahoehoe

What kind of magma produces violent volcanic eruptions?

• Magma low in silica
• Magma that is fluid, and runny
• Magma that is high in gas content
• Magma rich in iron