New lava tubes sending La Palma lava flowing downhill at high speeds

New lava tubes sending La Palma lava flowing downhill at high speeds

Assessment

Interactive Video

Science, Biology

11th Grade - University

Hard

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The video discusses the ongoing volcanic eruption, with lava flowing towards the Atlantic Ocean at speeds of up to 1 meter per second. It explains the formation of lava tubes, which occur when the surface of a lava flow cools faster than the underlying lava, creating an insulating crust. This allows the lava to remain hot and travel further. Different volcanic activities at various vents are influencing the lava flow. In response to the damage caused, a neighboring island's president suggested bombing the volcano to alter the lava's path.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the speed of the molten lava traveling toward the Atlantic Ocean?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do lava tubes form according to the Canary Islands Volcanology Institute?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the effect of the crust that forms on the top surface of a lava flow?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

According to the Canary Island Volcano Association, what is driving the lava flow?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What suggestion did the president of a neighboring island make regarding the volcano?

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