unit 3

Question 1

temperatures and pressures are very high

Answer 1

core

Question 2

the zone that has most of earth’s mass

Answer 2

mantle

Question 3

liquid rock within earth

Answer 3

magma

Question 4

how forces within the planet create land forms

Answer 4

plate tectonics

Question 5

the plates slowly move across the upper mantle

Answer 5

continental drift

Question 6

the crust stretches until it breaks

Answer 6

rift valleys

Question 7

the worlds flattest and smoothest regions

Answer 7

abyssal pains

Question 8

the continental surface extends under the shallow ocean water around the continents

Answer 8

continental shelves

Question 9

the deep valley marking the plate collision

Answer 9

trench

Question 10

places where rocks have broken apart and moved away from each other

Answer 10

faults

Question 11

paces where rocks have been compressed into bends

Answer 11

folds

Question 12

rocks break and decay over time

Answer 12

weathering

Question 13

weathering breaks rock into smaller particles of gravel, sand, and mud

Answer 13

sediment

Question 14

movement of surface material from one location to another

Answer 14

erosion

Question 15

thick masses of ice

Answer 15

glaciers

Question 16

is an elevated flatland

Answer 16

plateau

Question 17

sediment eroded from the mountains may then be deposited at the mountains bases

Answer 17

alluvial fan

Question 18

sediment moving at the end of a river

Answer 18

delta