Volcanic Eruptions

What are the substances released by a volcano during an eruption?

• Lava, sulfur dioxide, carbon dioxide, and water vapor

• Ash, sulfur dioxide, carbon dioxide, and water vapor

• Lava, ash, carbon dioxide, and water vapor

• Lava, ash, sulfur dioxide, and water vapor

What is the term used for volcanic smog?

• Vog

• Ash cloud

• Volcanic haze

• Smoky fog

How long can tiny ash particles stay in the atmosphere after a volcanic eruption?

• A few days

• A few weeks

• A few months

• A few years

What happens when sulfur dioxide combines with water in the atmosphere?

• It forms sulfuric acid droplets

• It forms carbon dioxide

• It forms ash particles

• It forms water vapor

What can happen when sulfuric acid droplets fall to the earth's surface?

• It causes acid rain

• It causes volcanic smog

• It causes global warming

• It causes earthquakes

What are the greenhouse gases released by volcanic eruptions?

• Carbon dioxide and sulfur dioxide

• Carbon dioxide and water vapor

• Sulfur dioxide and water vapor

• Carbon dioxide and ash particles

Do volcanic eruptions usually release enough carbon dioxide to affect the global climate?

• Yes, they have a significant impact on the global climate

• No, they have no impact on the global climate

• It depends on the size of the eruption

• It depends on the location of the eruption

What is the overall impact of volcanic eruptions?

• Only short-term impact on local areas

• Only long-term impact on global climate

• Both short-term impact on local areas and long-term impact on global climate

• No impact on the environment