Chapter 15 Science Study Guide

Front 1

tectonic plates consist of both______________(land)and_________(water)plates.

Back 1

continental and oceanic.

Front 2

wegener thought that all continents were once together in one large continent callled_________

Back 2

pangea.

Front 3

the area where two tectonic plates meet is called a_________.

Back 3

boundary.

Front 4

when plated collide a___________boundary is formed.

Back 4

convergent.

Front 5

an example of a geological feature caused by a convergent boundary in the united states is________and___________.

Back 5

rockies and aps.

Front 6

when plates separate a___________boundary is formed.

Back 6

divergent.

Front 7

an example of geological feature formed by a divergent boundary ____________________

Back 7

east african rift.

Front 8

when plates slide past each other a __________boundary is formed

Back 8

transform.

Front 9

an example of a geological feature caused by a transform boundary in the united states is______________

Back 9

sanandreas fault.

Front 10

a possible result of plates moving along a transform boundary is__________.

Back 10

earthquake.

Front 11

new oceanic lithosphere forms as a result of___ _____ ________.

Back 11

sea floor spreading.

Front 12

evidence for sea floor spreading has come from________ ________ on the ocean floor.

Back 12

magnetic minerals.

Front 13

the outermost layer of the earth is called the____sphere.

Back 13

litho.

Front 14

the liquid layer of the earths core is called the____________.

Back 14

outercore.

Front 15

the force that can lead to mountains with sharp jagged peaks is called_______.

Back 15

tension.

Front 16

what is an example of a type of mountain in the united states.

Back 16

tetons.

Front 17

sea floor spreading takes place at___ _____ ______.

Back 17

mid ocean ridges.

Front 18

the part of the earth on thick tectonics plates move is the _____________

Back 18

asthenosphere.

Front 19

the bending of rock layers due to stress in the earths crust known as______.

Back 19

folding.

Front 20

the type of mountain that forms when rock layers are squeezed together and pushed upward is a ______ mountain.

Back 20

folded.

Front 21

an upward arching rock layer is called an________.

Back 21

anticline.

Front 22

a downward arching rock layer is called a_________.

Back 22

cycline.

Front 23

the hypothesis that states that the continents were once one large mass that broke apart is the__________________.

Back 23

continental drift theory.

Front 24

the layer of rock that comprises 67% of earths mass is the_______.

Back 24

mantle.

Front 25

the layer of earth that is made mostly of iron and its most dense is the ____.

Back 25

core.

Front 26

the thin,solid layer outermost layer above is the______

Back 26

crust.

Front 27

the rigid layer made up of crust and upper mantle is the ____________ mesosphere.

Back 27

mesosphere.

Front 28

the deep interior of the earth can be mapped using_______________.

Back 28

sesmic waves.

Front 29

the global positioning system can map the rate of tectonic plate movement using_________________.

Back 29

ground stations.