plates and boundaries

Question 1

fault

Answer 1

a crack or fracture in earth’s crust

Question 2

Himalayas

Answer 2

mountain range near India, Pakistan, China, Nepal and Bhutan formed by colliding plates

Question 3

island arcs

Answer 3

a chain of volcanic islands

Question 4

magma

Answer 4

melted crust, melted rock, gases, crystals and minerals

Question 5

mid-ocean ridge

Answer 5

a raised area of land under the ocean caused by diverging plates

Question 6

rift

Answer 6

a dropped zone or valley where plates are pulling apart

Question 7

seafloor spreading

Answer 7

a crack in the ocean floor, magma spreads, new ocean floor forms

Question 8

strike- slip fault

Answer 8

the motion of plates at a transform boundary

Question 9

subduction zone

Answer 9

ocean plate is forced below the continental plate

Question 10

trench

Answer 10

deep valley in the ocean near a continent

Question 11

tsunami

Answer 11

huge ocean waves caused by an ocean earthquake

Question 12

volcanic arc

Answer 12

a chain of volcanoes around a subduction zone

Question 13

volcano

Answer 13

a vent in the earth’s surface– magma and gases can erupt through it