Teacher's Notes (Volcanoes) Flashcards
1
Q
What is a’a flow
A
2
Q
What is Basalt
A
fine-grained, mafic igneous rock; characterized by lower viscosity and lower gas content
3
Q
Explain what is effusive ve explosive
A
4
Q
What is a Lahar
A
mudflow composed of pyroclastic material, water, mud, and debris
5
Q
What is Lava
A
molten rock that breaks through Earth’s surface
6
Q
what is Laze
A
7
Q
What is Magma
A
molten rock underground, contains dissolved gasses
8
Q
What is pahoehoe flow
A
9
Q
What is pyroclastic flow
A
a high-density mix of hot lava blocks, rock fragments, ash and volcanic gas travelling at a high speed down volcanic slopes, typically following valleys
10
Q
What is a shield volcano
A
11
Q
what is a stratovolcano
A
12
Q
what is a Tephra
A
13
Q
What is dog
A
volcanic smog
14
Q
What is a volcano
A
opening in the Earth’s crust through which lava, volcanic ash, and gases escape
