Science lesson 1 Flashcards
1
Q
magma chamber
A
A body of molten rock deep underground
2
Q
Vents
A
Cracks in earth’s crust
3
Q
Pumice
A
A solid that used to be gas that wasn’t on earth’s surface
4
Q
Magma
A
Molten rock
5
Q
Lava
A
Magma that flows on earth’s surface
6
Q
Volcanoes
A
Areas of earth’s surface through which magma and volcanic gases pass
7
Q
Pyroclastic material
A
A substance that forms when magma is blasted into the air
8
Q
Aa lava and Blocky lava
A
Lava that has high viscosity and flows slowly
9
Q
Pillow lava
A
Lava that ha a lower viscosity and flows faster
10
Q
Pyroclastic flow
A
A dangerous type of volcano flow
11
Q
Viscosity
A
How thick lava is.
