3. • A volcano is a mountain with a
large hole at the top.
• This hole is called a crater.
• In a eruption, a volcano
produces very hot, melted rock.
- Magma: under the surface
- Lava: on the surface
• A lava lake is a amount of lava
forms in the crater.
• A volcano forms at an opening
or vent, in the crust at the
boundaries between plates.
4. • A volcanic eruption occurs when one plate pull
under the other. Water vapour, particles, gases
ang magma pur out onto surface.
• Volcanoes form new land. Gases and particles
from a volcano can affect the weather.
• The mantle is the layer of Earth under the crust.
Some areas are very hot and volcanoes can form
at these hot spots.
