Volcanos

How many volcanos are in the world?

• 1000

• 1500

• 525

• 539

Why do volcanoes erupt?

• Because of earthquakes

• Because they are angry

• Because of density and pressure

• Because no reason

What is a Vulcanian Eruption?

• An explosive type of volcanic eruption that becomes sufficient to blow off the overlying crust of solidified lava.

• The explosion of the volcano

• When the volcano can't hold the magma anymore and it needs to expulsed this can cause serious damage

• Is when it makes caboom

Which one is the most dangerous volcano in the world?

• Merapi

• Krakatoa

• Mount Vesuvius

• Cumbre vieja

What is the difference between lava and magma?

• Magma is composed of molten rock and Lava is magma that reaches the surface

• Magma is heavier than lava

• there is no difference

• Lava is composed by the heat of the volcano and magma by the rocks at a high temperature

How are volcanoes formed?

• When rock from the mantle melts, moves to the surface through the crust

• When tectonic plates collide form a small mountain that grows with time

What is the largest active volcano?

• Popocatepetl in Mexico

• Krakatoa in Indoesia

• Mauna Loa in Hawaii

Can volcano eruptions be predict?

• Yes

• No