Quiz 9

Question 1

Huge pieces of the earth's crust that "float" like rafts on the upper mantle:

Accepted Answer

plates

Question 2

Boundary between the earth's crust and mantle:

Accepted Answer

Moho

Question 3

Underwater mountain ranges that occur where pieces of the earth's crust are moving away from each other:

Accepted Answer

mid-oceanic ridges

Question 4

The study of the earth and its structure:

Accepted Answer

geology

Question 5

Name the earth's layers:

Accepted Answer

b, a

Question 6

Process that causes rocks to gradually break or crumble into smaller pieces, thereby forming new soil:

Accepted Answer

weathering

Questions 6