3.11.F - Lesson Review: Volcanoes & Earthquakes

Question 1

A volcano that has not erupted in the last 6,000 years is said to be __________.
extinct
active
dormant

Answer 1

dormant

Question 2

Which volcano erupted violently in Washington state 1980?
Mount Vesuvius
Mount McKinley
Mount Saint Helens

Answer 2

Mount Saint Helens

Question 3

When molten rock flows or erupts through a crack on the Earth’s surface, it came come from which structures? (Check all that apply)
fractured dome
earthquakes
vents in the ground
waterfalls in a river
volcanic cones

Question 4

How does a shear/S-wave move?
Around and around, like a spring
Front and back, like it is compressing
Side to side, like a snake
Up and down, like a ripple

Answer 4

Side to side, like a snake

Question 5

Large rocks sometimes break off and get lodged in magma. This is a(an)
_____________ , which can be affected by
______________ .

Answer 5

Answer 1:
xenolith
Answer 2:
contact metamorphism

Question 6

What is another name for a reverse fault?

Friction fault
San Andreas Fault
Tensional fault
Thrust fault
Normal fault

Answer 6

Thrust fault

Question 7

Which volcano has continuously erupted since the early 1980s?
Mount Saint Helens
Kilauea
Mount Rainier

Answer 7

Kilauea

Question 8

When magma intrudes in horizontal rock layers, forming a large sheet sandwiched in between, it forms a __________.
laccolith
sill
stock

Answer 8

sill

Question 9

Check all that apply. A P-wave, or primary wave __________. (Select all that apply)
is the second wave to arrive
is the first wave to arrive
is a surface wave
moves like a snake
is a compression wave
moves front to back

Answer 9

is the first wave to arrive
is a compression wave
moves front to back

Question 10

The type of igneous rocks found in dikes are __________ due to the slow cooling under the earth.
layered
vesicular
coarse-grained

Answer 10

coarse-grained

Question 11

The crust on the Earth ranges in thickness from approximately ____________ .
2–5 miles
10–100 km
3–44 km
5–70 km

Answer 11

5–70 km

Question 12

You come upon a huge, domed-shaped rock that was evidently revealed by erosion. This rock was most likely a __________.
stock
laccolith
neck

Answer 12

laccolith

Question 13

Match the letters to the names of the layers of the Earth.

Inner Core
Outer Core
Crust
Atmosphere
Upper Mantle
Lower Mantle
Mantle
Mohorovicic Discontinuity

Answer 13

A
Atmosphere
B
Upper Mantle
C
Lower Mantle
D
Inner Core
E
Outer Core
F
Mantle
G
Mohorovicic Discontinuity
H
Crust

Question 14

The core of the Earth is divided into two parts. Please describe three differences between the two parts of the core. Please write in complete sentences, and use your best grammar.

Answer 14

Your Answer:
The core of the Earth is divided into the Inner core and the outer core. Some differences include how the outer core is liquid while the inner core is solid. Another difference is how the outer core is larger than the inner core. Finally, another difference includes how the outer core causes the magnetic field while the inner core does not.