Volcanos And Earthquakes

Question 1

What is the main cause of earthquakes?

Answer 1

The main cause of earthquakes is the movement of tectonic plates.

Question 2

True or False: Volcanos are always found at the edges of tectonic plates.

Answer 2

False

Question 3

Fill in the blank: The boundary where two tectonic plates move apart is called a _______.

Answer 3

divergent boundary

Question 4

What scale is commonly used to measure the magnitude of earthquakes?

Answer 4

The Richter scale.

Question 5

Multiple choice: Which type of plate boundary is associated with the formation of mountains? A) Divergent B) Convergent C) Transform

Answer 5

B) Convergent

Question 6

What is the point on the Earth’s surface directly above the focus of an earthquake called?

Answer 6

The epicenter.

Question 7

True or False: All volcanos erupt explosively.

Answer 7

False

Question 8

Fill in the blank: The molten rock beneath the Earth’s surface is called _______.

Answer 8

magma

Question 9

What type of tectonic plate boundary is characterized by plates sliding past each other?

Answer 9

Transform boundary.

Question 10

What is the phenomenon called when the ground shakes due to seismic waves?

Answer 10

An earthquake.

Question 11

True or False: The Pacific Ring of Fire is known for its high volcanic activity.

Answer 11

True

Answer 12

asthenosphere

Question 13

What is the term for the area where an earthquake originates?

Answer 13

Focus or hypocenter.

Question 14

True or False: Earthquakes can only occur in tectonically active regions.

Answer 14

False

Question 15

Fill in the blank: The _______ scale measures the intensity of an earthquake’s shaking.

Answer 15

Vei

Question 16

Multiple choice: Which type of plate boundary often leads to earthquakes? A) Convergent B) Divergent C) Transform D) All of the above

Answer 16

D) All of the above

Question 17

What is the term for volcanic ash, gas, and rock fragments expelled during an eruption?y

Answer 17

Pyroclast

Question 18

True or False: The Earth’s crust is the thickest layer of the Earth.

Answer 18

False

Question 19

Fill in the blank: The _______ is a tectonic plate located beneath the Pacific Ocean.

Answer 19

Pacific Plate

Question 20

What is the main difference between a shield volcano and a stratovolcano?

Answer 20

Shield volcanoes have gentle slopes and are primarily made of basalt, while stratovolcanoes have steeper slopes and are made of alternating layers of lava and ash.

Question 21

Multiple choice: Which tectonic plate is known to be one of the largest? A) North American Plate B) African Plate C) Eurasian Plate D) All of the above

Answer 21

D) All of the above

Question 22

What is the geological process that leads to the creation of new oceanic crust?

Answer 22

Seafloor spreading.