Quiz 3, Chapter 2, pp. 23-30

Question 1

The most abundant element in the earth’s crust is

Answer 1

oxygen

Question 2

The idea that the earth’s crust consists of huge plates that slowly drift over the earth’s surface is the theory of

Answer 2

plate tectonics

Question 3

The three major layers of the earth, based on composition, are the crust, the ____ and the _____.

Answer 3

mantle, core

Question 4

A type of fold in which the rock layers buckle upward into an archlike structure is an

Answer 4

anticline

Question 5

The area where the upper mantle and the lower mantle merge is the

Answer 5

transition zone

Question 6

The deposits of sand, mineral fragments, and organic material that cover most of Earth’s surface are

Answer 6

sediments

Question 7

boundary between the crust and the mantle

Answer 7

Mohorovicic discontinuity

Question 8

structure formed when a layer of rock breaks

Answer 8

fault

Question 9

central part of the earth

Answer 9

core

Question 10

structure formed by the bending of rocks under great force

Answer 10

fold