Question 8 (1 point)

Question

Why do stratovolcanoes have steep, mountainous sides?

a
Stratovolcanoes have eroded from tall mountains to create the steep sides that make up the volcano edges
b
Stratovolcanoes break down the soil around them, causing massive landsides that shear off the cliff edges into steep sides
c
The lava from stratovolcanoes is very thick and flows slowly down the sides and hardens quickly, creating very steep sides
d
Stratovolcanoes explode, producing large amounts of pyroclastic materials that falls into hill edges on the stratovolcano
Question 9 (1 point)
Which of the following produces the least drastic volcanic eruption?

a
Stratovolcano
b
Cinder Volcano
c
Shield Volcano
Question 10 (1 point)
What causes an Earthquake?

a
Two or more plate boundaries moving past each other
b
Large fissures in the rock release massive amounts of gas that shake the chambers of the Earth
c
Meteor collisions send shockwave ripples in the ground that travel like water waves
d
Massive explosions of underground fossil fuels cause massive shockwaves through the Earth
Question 11 (1 point)
Where is the epicenter located?

a
The surface spot directly above the breaking point of the Earthquake
b
The point underground where the Earthquake began
c
At the site first hit by the first wave of the Earthquake
d
The sinkhole opened up underneath the Earth chambers revealed by the Earthquake
Question 12 (1 point)
What determines the type of severity of an Earthquake?

a
The composition of the plates and the type of boundary between them
b
The location of the boundaries and the force of the plate motion
c
The speed of the plates and the composition of the plates
d
How many plates there are interacting at a single boundary location
Question 13 (2 points)
List all the geological features that were created by tectonic plate motion and boundary interactions

a
Mountain Ranges
b
Rain Forests
c
Ocean Trenches
d
Desert Valleys

Answer 1

Here are the answers for the questions based on geological concepts regarding stratovolcanoes, volcanism, earthquakes, and tectonic plate motion:

Question 8: Why do stratovolcanoes have steep, mountainous sides?

• c The lava from stratovolcanoes is very thick and flows slowly down the sides and hardens quickly, creating very steep sides.

Question 9: Which of the following produces the least drastic volcanic eruption?

• c Shield Volcano (Shield volcanoes have gentle slopes and produce less explosive, more fluid lava flows.)

Question 10: What causes an Earthquake?

• a Two or more plate boundaries moving past each other.

Question 11: Where is the epicenter located?

• a The surface spot directly above the breaking point of the Earthquake.

Question 12: What determines the type of severity of an Earthquake?

• b The location of the boundaries and the force of the plate motion.

Question 13: List all the geological features that were created by tectonic plate motion and boundary interactions.

• The correct answers are:
  • a Mountain Ranges
  • c Ocean Trenches

(Note: Option b Rain Forests and d Desert Valleys are not direct geological features created by tectonic plate motion.)