Plate Tectonics

This layer of Earth is the thickest part

• crust
• outer core
• mantle
• inner core

What is Pangaea?

• The name of a German Scientist
• the name of the supercontinent that existed millions of years ago
• another name for continental drift
• the name of an ancient fossil

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

A subduction zone is formed...

• when one tectonic plate sinks below another
• at every type of convergent plate boundary
• at every type of divergent plate boundary
• at transform boundaries

Whenever a subduction zone is formed a ______ is formed.

• Mountain
• Island Arc
• Rift
• Volcano

During sea floor spreading, molten material rises up from the mantle...

• along the continents
• at the mid ocean ridges
• deep ocean trenches
• at north and south poles

Associated with transform boundaries.

• Volcanoes
• mountains
• trenches
• earthquakes

Oceanic crust is

• Younger and less dense than continental crust
• Thinner, younger and more dense than continental crust
• Older, thicker and less dense that continental crust
• Bigger and younger than continental crust