Show:
Volcano Parts
Volcano
Volcano Kinds
The Earth
100
What is the opening through which volcanic materials erupt?
Vent
100
Name one reason why people live near volcanoes.
People live near volcanoes because of: geothermal power and fertile soils.
100
What do we call a volcano that can erupt?
Active.
100
What is the name of the uppermost layer of the Earth?
The crust.
200
What is the chamber in the volcano that contains molten rock?
Magma Chamber
200
What is it called when a volcano is active but appears to be sleeping?
Dormant
200
What do we call a volcano that can no longer erupt and is no longer active?
Extinct.
200
The earth's surface is thought to be made up of these.
Tectonic plates.
300
What is the passage through which magma flows through the volcano?
Conduit
300
What is a pyroclastic eruption?
A volcanic eruption that is explosive.
300
What kind of lava makes a shield volcano?
Runny.
300
The Earth's centre is made up of a ball of molten iron called the 'what'?
The core.
400
Apart from lava, name one other substance that comes out of a volcano.
Rock, ash and gas.
400
90% of the Earth's active volcanoes are found around the plate tectonic plate boundaries known as what?
The Ring of Fire
400
What is a composite volcano?
A volcano that is made up of layers of ash and lava.
400
When tectonic plates collide and slip below each other, what is it called?
A destructive plate boundary.
500
What is molten rock known as?
Magma/Lava
500
What is a hotspot?
A hotspot is a fissure in the Earth's crust, in the middle of a tectonic plate, where volcanoes can form.
500
What is the name of a volcano that has a lake of lava in the middle of it?
Caldera volcano
500
What is it called when tectonic plates move apart?
Constructive plate boundary.