Plate tectonics

Question 1

Alfred wegener’s hypothesis that earths continents were once joined as a single land mass that broke apart about 200 million years ago and slowly moved into their current positions

Answer 1

Continental drift

Question 2

A theoretic ancient land mass made up of all the continents that began to break apart 200 million years ago due to plate tectonics

Answer 2

Pangaea

Question 3

The hypothesis that new ocean crust is formed at mid ocean ridges and destroyed at deep sea trenches; a continuous cycle of new magma intruding me spreading

Answer 3

Seafloor spreading

Question 4

Huge pieces of earths crust that cover its surface and fit together at their edges

Answer 4

Tectonic plates

Question 5

The theory that earths outer layer is made up of plates that move in different directions and at different shapes that shape the earths surface

Answer 5

Plate tectonics

Question 6

The place where 2 tectonic plates meet and interact

Answer 6

Boundary

Question 7

Collide

Answer 7

Convergent boundary

Question 8

Divide

Answer 8

Divergent boundary

Question 9

Slide

Answer 9

Transform boundary

Question 10

Chain of underwater mountains that run throughout the sea floor

Answer 10

Mid ocean ridge

Question 11

Process in which one tectonic plate slip beneath another tectonic plate

Answer 11

Subduction

Question 12

Transfer of heat energy as heated material moves from one plate to another

Answer 12

Convection current