Evidence of Plate Tectonics

Wegener used evidence from climate and _____ to prove the idea of continental drift.

• Mud
• Plants
• Fossils of plants an animals
• Predators

The supercontinent that Wegener named.

• Hess
• Landmass
• Pangaea
• Challenge

______ form long chains of mountains that rise up from the ocean floor.

• Mid-ocean ridge
• Trenches
• Smokey mountains
• Pangaea

This begins at the mid-ocean ridge, new molten material from inside Earth rises, erupts, cools, and hardens to form a solid strip of rock.

• Ocean ridge
• Sea-floor spreading
• Magnetic strip
• Molten

Sea-floor spreading adds more ______ to the ocean floor.  

• Inner core 
• Water
• Mantle
• Crust

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle again is called.

• Subduction
• Sea floor Spreading
• Conveyor belt
• Crust

Earth's  lithosphere is broken into pieces called

• crust
• rock
• plates
• fault

Plates that move apart are called

• Convergent
• Divergent
• Transform
• Plate motion

Plates that come together are called

• Convergent
• Divergent
• Transform
• Crust

Plates that come together are called

• Convergent
• Divergent
• Transform
• Crust