Lava Interaction and Its Effects

Nineteen days after Kilauea's eruption, lava flows into the Pacific Ocean, causing explosive reactions and producing toxic fog. This fog, containing volcanic glass and acid droplets, poses a danger to nearby areas, prompting safety measures. Additionally, the interaction of lava with cold water results in explosive lava bombs. Increasing lava flows threaten homes in Leilani Estates, leading to evacuations as the lava consumes everything in its path.

What happens when hot lava comes into contact with seawater?

• It cools down immediately.

• It causes flash boiling and explosive reactions.

• It evaporates without any reaction.

• It turns into solid rock instantly.

What chemical is produced when lava interacts with seawater?

• Sulfuric acid

• Hydrochloric acid

• Nitric acid

• Acetic acid

What is the name given to the toxic fog created by the interaction of lava and seawater?

• Mist

• Laze

• Haze

• Smog

Why are tourist boats at risk near the lava-affected areas?

• They could be hit by falling trees.

• The wind could change direction and bring toxic fog towards them.

• They might get caught in a tsunami.

• The water might become too hot for navigation.

What are 'lava bombs'?

• Chunks of lava that explode into the air when lava hits cold water.

• Small volcanic rocks that float on water.

• Solidified lava that forms on the ocean floor.

• Lava that cools down and forms a crust.

What is the main threat to homes in Leilani Estates?

• Strong winds

• Flooding from heavy rains

• Increasing lava flows

• Earthquakes

What action has been taken for residents in the path of the lava flows?

• They have been relocated to nearby shelters.

• They have been given protective gear.

• They have been ordered to evacuate.

• They have been advised to stay indoors.

What visual comparison is used to describe the advancing lava?

• A flowing river

• A bulldozer

• A tidal wave

• A rolling stone

What is the effect of the lava on the forest?

• It creates new plant growth.

• It flattens and consumes the trees.

• It fertilizes the soil.

• It waters the trees.

What is the emotional impact on residents as described in the video?

• They are excited about the new land.

• They are hopeful for a quick recovery.

• They are indifferent to the changes.

• Their dreams are being destroyed by the lava.