WorksheetsVolcanoes
Total questions: 35
Worksheet time: 35mins
Name
Class
Date
1.
What is the volcano in Hawaii that has erupted continuously since 1983?
a)
Mt. St. Helens
b)
Kilauea
c)
Popo
d)
Paricutin
2.
What is the name of the volcanic rock that has a glassy appearance and is black in color?
a)
Basalt
b)
Pumice
c)
Obsidian
d)
Scoria
3.
Sticky thick mud that flows down off certain volcanoes is __________________.
a)
Ash
b)
Block
c)
Lahar
d)
Lapilla
e)
Tephra
4.
Solid materials ejected during an explosive eruption is ____________________
a)
Ash
b)
Block
c)
Lahar
d)
Lapilla
e)
Tephra
5.
Kind of tephra that is large in size is ______________. (It may be as big as a house.)
a)
Ash
b)
Block
c)
Lahar
d)
Lapilla
e)
Tephra
6.
Kind of tephra that is smallest in size is _______________. (It is powder-like.)
a)
Ash
b)
Block
c)
Lahar
d)
Lapilla
e)
Tephra
7.
Kind of tephra that is ejected as "little stones" is _________________.
a)
Ash
b)
Block
c)
Lahar
d)
Lapilla
e)
Tephra
8.
Molten rock that is underground is ___________.
a)
Volcano
b)
Lava
c)
Magma
d)
Crater
e)
Vent
9.
Molten rock that is on Earth's surface is _______.
a)
Volcano
b)
Lava
c)
Magma
d)
Crater
e)
Vent
10.
Tubular opening in a volcano through which molten rock flows up to Earth's surface is ______.
a)
Volcano
b)
Lava
c)
Magma
d)
Crater
e)
Vent
11.
Lava and tephra built up on Earth's surface is __________.
a)
Volcano
b)
Lava
c)
Magma
d)
Crater
e)
Vent
12.
Funnel-shaped opening at the top of a volcano is ___________.
a)
Volcano
b)
Lava
c)
Magma
d)
Crater
e)
Vent
13.
Very large basin-shaped opening at the top of a volcano is _________________.
a)
Pillow
b)
Aa
c)
Pyroclastic Flow
d)
Pahoehoe
e)
Caldera
14.
Rough and jagged form of lava is ___________.
a)
Pillow
b)
Aa
c)
Pyroclastic Flow
d)
Pahoehoe
e)
Caldera
15.
Rounded form of lava that forms underwater is __________.
a)
Pillow
b)
Aa
c)
Pyroclastic Flow
d)
Pahoehoe
e)
Caldera
16.
Smooth rope-like form of lava is _________.
a)
Pillow
b)
Aa
c)
Pyroclastic Flow
d)
Pahoehoe
e)
Caldera
17.
Dense, superheated cloud of gas and ash that runs down the side of certain volcanoes is
a)
Pillow
b)
Aa
c)
Pyroclastic Flow
d)
Pahoehoe
e)
Caldera
18.
_____ is the site of the largest volcanic eruption in the world to occur in the world in terms of the amount of materials ejected into the atmosphere (300 mi3).
a)
Yellowstone in the U.S.
b)
Central Mexico
c)
The big island of Hawaii
d)
The island of Sumbawa in Indonesia
19.
Volcanoes that eject mostly lava flows usually have the most explosive eruptions.
a)
true
b)
false
20.
A nuee ardente is the same thing as a ______.
a)
Lahar
b)
Fissure eruption
c)
Mudflow
d)
Pyroclastic Flow
21.
What volcano's eruption was responsible for the "year without a summer" in which snow fell in Indiana during July and August of 1816, and Mary Shelley wrote her famous novel Frankenstein?
a)
Yellowstone in the U.S.
b)
Mt. Rainer
c)
Krakatau
d)
Mt. Tambora
22.
The "Ring of Fire" is located along the outside edge of the _______.
a)
Atlantic Ocean
b)
Pacific Ocean
c)
Indian Ocean
d)
Arctic Ocean
23.
What volcano was born in a cornfield in Mexico on February 20, 1943, and gave scientists a rare chance to see the formation of a volcano?
a)
Popocatepetl
b)
Mt. Etna
c)
Mt. St. Helens
d)
Paricutin
24.
In what year did the most recent eruption of Mt. St. Helens take place?
a)
1960
b)
1970
c)
1980
d)
1990
25.
_______ is considered to be the most dangerous volcano in the U.S.
a)
Mt. St. Helens
b)
Mt. Hood
c)
Mt. Rainer
d)
Mt. Everest
26.
The Martian volcano Olympus Mons is the highest in the solar system at ______ in height.
a)
9 miles
b)
12 miles
c)
17 miles
d)
23 miles
27.
What is the name of the volcanic rock that will float on water?
a)
Basalt
b)
Pumice
c)
Obsidian
d)
Scoria
28.
What area of the world has the greatest number of volcanoes?
a)
North America
b)
Indonesia
c)
Hawaii
d)
Latin America
29.
Which volcano is a cinder cone?
a)
b)
c)
d)
30.
Which volcano is a fissure volcano?
a)
b)
c)
d)
31.
Which volcano has quiet eruptions of lava?
a)
b)
c)
d)
32.
Which volcano has quiet eruptions of lava & explosive eruptions of tephra?
a)
b)
c)
d)
33.
Which volcano is the kind of volcano in Kilauea in Hawaii?
a)
b)
c)
d)
34.
Which volcano is known as either a stratovolcano or a composite volcano?
a)
b)
c)
d)
35.
Which volcano is a shield volcano?
a)
b)
c)
d)
100 %
