Download Chapter 6 Study Guide

Chapter 6 Study Guide - ANSWERS
1) What does the core consist mainly of?
IRON
FOSSILS, SEA-FLOOR SPREADING, MAGNETIC
REVERSALS, LANDFORMS, CLIMATE
2) What is evidence for continental drift?
3) Where does sea-floor spreading take place?
MID-OCEAN RIDGE/DIVERGENT BOUNDARY
4) What is the idea that all continents were part of one big landmass?
5) Why does heat from the Earth’s center flows toward the surface?
THEORY OF CONTINENTAL DRIFT
HEAT FLOWS FROM WARMER TO
COLDER
6) What does the theory of continental drift explain? THAT THE CONTINENTS MOVE (WEGENER)
7) What type of boundary is formed when plates collide?
CONVERGENT
8) What is the area where two tectonic plates meet called?
9) New crust in the ocean is a sign of ______________.
BOUNDARY
SEA-FLOOR SPREADING
10) What is the process by which new oceanic lithosphere forms? SEA-FLOOR SPREADING
11) What is the hypothesis that states that the continents were once one large mass that broke apart?
CONTINENTAL DRIFT
12) What is the rigid layer of Earth made up of the crust and upper mantle?
13) What is the thin, solid outermost layer of Earth above the mantle?
LITHOSPHERE
CRUST
14) What is the order of the layers of Earth from the surface to the center?
CRUST, LITHOSPHERE, ASTHENOSPHERE, MESOSPHERE, OUTER CORE, INNER CORE
15) The giant continent that was composed of all the land on Earth was called what?
PANGAEA
16) What are the blocks of lithosphere that consist of the crust and the rigid, outermost part of the mantle?
TECTONIC PLATES
17) Convection in the mantle is caused by what from Earth’s interior?
18) Heat within the Earth’s interior is transferred primarily by what?
19) What type of boundary is formed when plates separate?
HEAT FROM INNER CORE
CONVECTION CURRENTS
DIVERGENT
20) What type of boundary is formed when plates collide? CONVERGENT
21) What type of boundary is formed when plates side past each other horizontally?
TRANSFORM
22) What is the process by which the shape of a rock changes in response to stress?
DEFORMATION
23) What are the lithosphere pieces that move around on top of the asthenosphere called?
24) What is the process of moving layers of rock by heating and cooling?
TECTONIC PLATES
CONVECTION
25) What is the theory that Earth’s lithosphere is divided into moving tectonic plates?
THEORY OF PLATE
TECTONICS
26) What type of stress pulls rock apart?
TENSION
27) What type of stress pushes rocks together?
COMPRESSION
28) What type of mountain range forms at convergent boundaries?
29) What is formed when rock limbs slope up to form a trough?
FOLDED MOUNTAINS
SYNCLINE
30) What type of fault occurs when the hanging wall moves down relative to the footwall?
NORMAL FAULT
31) What type of fault occurs when the hanging wall moves up relative to the footwall? REVERSE FAULT
32) Reverse and normal are examples of what?
FAULTS