Tectonic Crossword

Question 1

Continental crust

Answer 1

Sial

Question 2

Large grained oceanic igneous rock

Answer 2

Gabbro

Question 3

Greatest continental crack in the earth’s surface

Answer 3

African Rift Valley

Question 4

Deepest area in ocean

Answer 4

Trench

Question 5

Land features formed when ocean vs ocean plate converge

Answer 5

Island arcs

Question 6

Boundary between lithosphere and mantle

Answer 6

Moho

Question 7

Outer crust of earth

Answer 7

Lithosphere

Question 8

Upper part of mantle where convection currents are present

Answer 8

Asthenosphere

Question 9

Shallow area of oceans close to continents made of sedimentary

Answer 9

Continental shell

Question 10

Snow-called volcano with steep slopes found in continents

Answer 10

Composite cone

Question 11

Oceanic crust

Answer 11

Sima

Question 12

Mantle

Answer 12

Mesosphere

Question 13

Frequent earthquakes at subduction zone

Answer 13

Benioff zone

Question 14

Dark small grained volcanic rock

Answer 14

Basalt

Question 15

Fault characterized by horizontal movement

Answer 15

Transform fault

Question 16

Driving force of plates

Answer 16

Convection currents

Question 17

Island chain formed when 2 ocean plates collide

Answer 17

Tonga islands

Question 18

Area of earth responsible for creating magnetic field

Answer 18

Outer core

Question 19

Mountains produced when continent/continent collision

Answer 19

Fold mountains

Question 20

Type of lava that creates large volcanoes on continents

Answer 20

Andesite lava

Question 21

Plate boundary where new land is created

Answer 21

Mid ocean ridge

Question 22

Plate boundary where one plate dives below another

Answer 22

Subduction zone