1. Types of volcanoes :
There are volcanoes on land and under the
sea.
There are three types of volcanoes:
-Active volcanoes erupted and can erupt
again.
-Dormant volcanoes are sleeping.
-Extinct volcanoes can't erupt again.

2. :
Vesuvius is an extinct volcano. It´s in Italy.
There was a terrible eruption in the past.
When Vesuvius erupted there was a lot of ash. It was
impossible
to breath and a lot of people died.
The ash covered the city of Pompeii.
Two men dicovered the ruins of the city in 1595.
They did lots of excavations and they discovered houses, streets,
shops, sculptures, painings...
Today lots of people from all over the world visit the ruins of
Pompeii every year.The story of Pompeii

3. The underwater volcanoes can grow so big that
islands form.
The Galapagos islands are volcanic islands, they
were formed under the sea.