Quiz · A Visit to the Volcano

Question 1What is the main idea of this talk?

To explain how volcanoes are formed under the sea To warn people about an active volcano near the coast To describe a class trip to an old volcano To teach students how scientists measure earthquakes

Question 2According to the teacher, how long had the volcano not erupted?

For nearly one full hour For one hundred years For only twenty years For two hundred years

Question 3Why do scientists measure small movements in the ground?

To find hot rock deep below the mountain To keep people safe by watching the volcano To choose the best path for visitors to climb To help the trees grow well on the slopes