Open Response Plate Tectonics

The super-continent that Wegener named is called:

• Hess
• Landmass
• Pangaea
• Challenge

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

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

True or False:
Wegener's idea of continental drift was supported by all scientists in 1912.

• True
• False

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

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

The device that measures seismic waves from earthquakes is called a(n):

• Cell phone
• Pangaea
• Seismograph
• Sonar

Which rock type is generally associated with continental crust?

• Limestone
• Basalt
• Granite
• Igneous

This is what happens at a divergent plate boundary when new crust comes up from within the Earth and pushes the older crust to the outside:

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

Which layer of the earth is on the outside?

• Crust
• Mantle
• Outer Core
• Inner Core

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

• Inner core 
• Water
• Mantle
• Crust

Older oceanic crust moves ____________ a divergent boundary.

• sideways near
• away from
• toward
• next to