plate tectonics

The Great Rift Valley in Africa and the Mid-Atlantic Ridge were both created by this type of plate boundary. 

• divergent
• convergent
• transform
• subduction

What are the two types of crust?

• continental and oceanic
• ocean and basin
• lower and upper
• thick and thin

What drives tectonic plate movement? 

• gravity
• coriolis effect
• convection currents
• the earth's magnetic core

Earthquakes and volcanoes are most likely found in which locations? 

• at plate boundaries
• in oceans
• in the middle of continents
• in the middle of plates

When one plate slides underneath another, it ____ and the magma _____. 

• hardens; sinks
• melts; sinks
• hardens; rises
• melts; rises

Transform boundaries are most likely to produce what phenomenon?

• volcanoes
• deep sea trenches
• underwater mountain ranges
• earthquakes

Two tectonic plates collide at a ___ plate boundary.

• convergent
• divergent
• transform
• transformer

This land form can occur at a divergent plate boundary.

• trench
• mid-ocean ridge
• folded mountains
• fault

According to Wegener's hypothesis of continental drift, 

• Earth's surface is made up of seven major landmasses
• the continents DO NOT move
• Earth is slowly cooling and shrinking
• the continents were once joined together in a single landmass

What is Pangaea?

• the name of a German scientist
• the name of the super-continent that existed millions of years ago
• another name for continental drift
• the name of an ancient fossil