Powerpoint on Volcanoes

1. Volcanoes
By Ben.C and Thornton

2. What are volcanoes?
• Volcanoes are hills with openings at the top
on the earths surface. When they are active
they can let out ash , gases and hot magma
which make violent and spectacular eruptions.

3. Active volcanoes
• Volcanoes are mountains with holes at the
top. When they are active they can let out
ash, gases and hot magma and sometimes
violent and spectacular eruptions.

4. Different Volcanoes
• There are different kinds of volcanoes like the
Cone volcano, caldera and the volcanic field!!!
Also there are ones under the sea

5. How does a volcano affect peoples
lives?
• A volcano effects peoples life by melting
things like there property valuables and most
of the other stuff they have. It can also
destroy buildings and can also kill pets or wild
animals. People can lose jobs which means
you lose money.

6. What causes the disaster.
• Magma comes up the vent and goes into a
large chamber. Pressure from the solid rock
around it forces the magma up to the surface.

7. What’s lava made of?
• Lava is made out of crystals , volcanic glass
and bubbles.

8. Were the disaster occurs the most
• Volcanoes occur in a lot of places. But in New
Zealand on the north island there is a lot of
volcanoes around Auckland.

9. What are volcanoes made of?
Volcanoes are made of lava, tephra ,pumice and
Volcanic ash.

10. The End