quiz no1

Question 1

In which of the following layers of the Earth does convection current occur?

Answer 1

mantle

Question 2

The theory of plate tectonics states that Earth’s crust and its rigid upper mantle are broken into enormous slabs called

Answer 2

plates

Question 3

Which correctly describes Earth’s mantle?

Answer 3

semiliquid

Question 4

What results when two adjacent tectonic plates move away from each other?

Answer 4

divergent boundary

Question 5

What results when two adjacent plates slide horizontally past each other?

Answer 5

transform boundary

Question 6

Which of the following is a likely result of tectonic activity along a transform boundary?

Answer 6

earthquakes

Question 7

enumerate the only three plate boundaries

Answer 7

divergent
transform
convergent

Question 8

Which layer of the Earth is directly responsible for the movement of tectonic plates?

Answer 8

asthenosphere

Question 9

Which of the following correctly explains the formation of volcanic island arcs?

Answer 9

Oceanic crust colliding with oceanic crust

**ask maam, might be wrong*

Question 10

What is a key difference between a convergent boundary involving two continental plates and one involving an oceanic and a continental plate?

Answer 10

The continental-continental plates lead to mountain formation; the oceanic-continental plates lead to subduction.

Question 11

Oceanic crust is generally older than continental crust due to the continuous process of seafloor spreading.

Answer 11

False, oceanic crust is generally younger