CH. 17-18 Study guide Flashcards
Which of the following is NOT a type of volcano?
a. slope volcano
b. composite volcano
c. shield volcano
d. cinder-cone volcano
a. slope volcano
_________ is the rock fragments thrown into the air during a volcanic eruption.
a. lava
b. magma
c. tephra
d. ash
c. tephra
_________ magma has the greatest explosiveness.
a. basalitc
b. andesitic
c. rhyoltic
d. none of the above
c. rhyolitic
The first person to suggest the continents were all one large mass was
a. Wegener
b. Suess
c. Mendel
d. Ortelius
d. Ortelius
The “supercontnent” is also known as
a. Pangea
b. Gondwanaland
c. Greenland
d. Austria
a. Pangea
_______ is a device that an detect small changes in magnetic fields
a. sonar
b. magnetometer
c. topography
d. waves
b. magnetometer
Which of the following is NOT a type of plate boundary?
a. Convergent
b. divergent
c. oceanic
d. transform
c. oceanic
The largest plutons are called?
a. batholiths
b. sills
c. dikes
d. laccoliths
a. batholiths
Lava erupts through an opening in a volcano called a _______
a. tube
b. vent
c. silo
d. crater
b. vent
Mount St. Helen is an example of a ________ volcano
a. cinder-cone
b. shield
c. composite
d. dormant
c. composite
A large ocean wabe generated by vertical motions on the seafloor
tsunami
Earthquake intensity is related to
a. earthquake length
b. earthquake site
c. earthquake magnitude
c. earthquake magnitude
The ________ is based on the size of the largest seismic wave
Richter scale
What type of fault is the San Andreas fault?
Strike slip fault
All mountain ranges are formed by ta process called?
a. erosion
b. orogeny
c. isotasy
d. earthquake
b. orogeny
