Volcanoes are cracks in the earths crust when there is to much pressure liquid magma shoots into the crust and a volcano is formed.

Firstly its active for 1,000 years secondly its dormant which might erupt in 10-20 years i put it like a rest. Then after 10,000 years its stops and dies.

extinct

dormant

active

People thought Mount Vesuvius was a mountain.

Really is was a volcano. When the people of Pompeii found out, it was too late. Because they only had half an hour to live before all the toxins got into their bodies and suffocated them. Families and infants were also covered in ash.

There are at least 1,500 active volcanoes in the world. 8 to 10 volcanoes can erupt at one time.

A volcano is an opening in the earths crust which liquid magma burst into a mountain and becomes a volcano.

Did You know?

That farmers live near volcanoes?

Its because that the soil around a volcano is very good for growing crops because the soil is very fertile and because pumice stone is formed which has air bubbles caught in it, but too much could have crop devastation.

Roughly 80% of the worlds volcanoes are in the ring of fire. The ring of fire forms a circle around the Pacific ocean where most volcanoes are formed. The ring of fire is a result of movement and crashing of tectonic plates.

After a volcanic eruption one side of the volcano might be covered with lava, but what about the other side? Depending on what type of volcano it is tells us what erupts on the other side of it.

Such as cinder cones. They are built from lava pieces called cinders. These lava pieces have erupted from a single vent and build up around the vent when they fall back to earth.

In Japan, the students of sakurajima school, are near one of the worlds most active volcanoes.

The students have to wear hard hats for protection. The reason is to protect the students from small lava bombs.

Sakurajima

A large eruption can be extremely dangerous especially for people living near them. Its sad when you think about it.

1’900 volcanoes are still considered active.

What do the students of sakurajima have to where on there head?

Have you learned?

Is 50% of the worlds volcanoes in the ring of fire?

My sites were…

http://www.ema.gov.au/www/ema/schools.nsf/Page/Get_The_FactsVolcanoes

http://environment.nationalgeographic.com/environment/natural-disasters/volcano-profile/