Volcano Test Review
Your test on Volcanoes will be on Thursday, 12/21 for A
day classes and Friday, 12/22 for B day classes. PLEASE TAKE SOME TIME TO
Topics on the test will include, but not be limited to the following
topics. You should look over your notes,
viscosity lab, and all of the hand-outs you worked on during this unit.
IS a volcano?
are the THREE places where volcanoes are found?
are there volcanoes around the Pacific Ocean, and what name is given to
this group of volcanoes?
is an island arc and give an example of one.
- How is
lava different from magma?
the differences among active, dormant, and extinct volcanoes.
is a hot spot? Give two examples.
- Name a
substance with high viscosity
Name a substance with low viscosity
TWO factors affect the viscosity of magma?
substance made up of only ONE kind of atom is known as WHAT?
- What do
you call two or more elements that are combined with one another
two chemical properties
two physical properties
might DIVERGING plates cause a volcano to form?
might CONVERGING plates cause a volcano to form?
is the name of the MOST abundant material in the Earth’s crust?
AND DESCRIBE the three types of magma
oceanic crust, or continental crust have a higher silica content?
- Of the
three types of magma, which has the LOWEST viscosity?
Which has the highest viscosity?
is the relationship between silica content of magma and the viscosity of
type of magma is usually associated with a QUIET eruption?
type of magma is usually associated with an explosive eruption?
the role of viscosity and gases in determining whether a volcanic eruption
will be quiet, or explosive.
is aa? What kind of magma will form aa lava?
is pahoehoe? What kind of magma will form pahoehoe lava?
and describe the three main types of volcanoes
kind of volcano tends to have an explosive eruption? What kind of magma is
usually involved in this kind of volcano?
is pyroclastic flow?
is a caldera and where could I find one?
the correct word in parenthesis: When lava hardens, (igneous, sedimentary,
metamorphic) rock is formed.
the correct word in each parenthesis: Basaltic magma is found when
(continental/oceanic) crust melts. Basaltic magma is (high/low) in silica
and tends to have (high/low) viscosity. The type of volcano that usually
contains basaltic magma is known as a (cinder cone/shield) volcano. These
volcanoes tend to have (quiet/explosive) eruptions.
the correct word in each parenthesis: Rhyolite/Granitic magma is found
when (continental/oceanic) crust melts. Rhyolitic/granitic magma is
(high/low) in silica and tend to have (low/high) viscosity. The type of
volcano that usually contains Rhyolitic/granitic magma is known as (cinder
cone/shield) volcano. These volcanoes tend to have (quiet/explosive)
is a volcanic neck?
do batholiths initially form?
is the difference between a dike and a sill?
colored lava comes from what type of magma?
Dark colored lava comes from what type
- In a
composite volcano, what are the layers that make up the sides of the
volcano? What types of eruptions cause these layers?
at the volcano picture in your notes and make sure you can label important
ancient Italian city was buried by volcanic ash in 79AD?
two elements make up silica?