WorksheetsVolcanos
Total questions: 21
Worksheet time: 11mins
What is shown in the picture?
Volcano
Geyser
Mountain
What type of volcano?
Shield
(explosive)
Composite
(steep sides)
Shield
(dark, easy flowing lava)
What type of volcano?
Shield
(steep sides)
Composite
(pyroclastic cloud)
Shield
(Dark, easy flowing lava)
What type of volcanic hazard?
Lahar
Ash
Lava
Volcanic Bomb
What type of volcanic hazard?
Lahar
Ash
Lava
Volcanic Bomb
What type of volcanic hazard?
Lahar
Ash
Lava
Volcanic Bomb
What type of volcanic hazard?
Lahar
Ash
Lava
Volcanic Bomb
What type of volcanos form on mid-ocean ridges?
Shield
Composite or Stratovolcano
What type of volcano forms over subduction zones?
Shield
Composite or stratovolcano
Many citizens of Pompeii were killed by a hot ash cloud called a
Lahar
Pyroclastic flow
Tephra
Tephra is classified by
Size
Shape
Amount
Which volcano is extinct?
Mt. A
Mt. B
Mt. C
Which is a composite or stratovolcano eruption?
Which image shows a caldera, or collapsed volcanic cone?
Which image shows a geyser erupting?
Which image shows a volcanic field?
Where does the magma for a shield volcano come from?
The mantle
Melted crustal rock along a subduction zone
Where does the magma for a composite or stratovolcano come from?
The mantle
Melted crustal rock along a subduction zone
Magma that is very hot and dark in color
Basaltic
Rhyolitic
Magma that is cooler and lighter in color
Basaltic
Rhyolitic
Why does rhyolitic magma cause explosive eruptions?
The magma is hot and flows easily
The magma is hot and has a lot of gases in it.
The magma is cooler, doesn't flow well, and gas pressure builds up
