Which layer of the Earth is the thinnest?

• mantle

• outer core

• inner core

• crust

What is the name of the layer of the Earth that exists between points A and B?

• Crust

• Inner Core

• Mantle

• Outer Core

Where does the heat come from that drives the convection currents in the mantle?

• The sun

• The crust

• the mantle

• the core

Plate movement is caused by ______________.

• ridge push at divergent boundaries

• gravity pull at convergent boundaries

• convection currents in the mantle

• ALL of these processes

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

What do geologists call the earth’s crust and upper mantle?

• asthenosphere

• lithosphere

• mesosphere

• atmosphere

What evidence did Wegener use to support the Theory of Continental Drift?

• Continents and fossils fitting together/matching-up like puzzle pieces

• glacier scars and other climate evidence from temperature

• mountain ranges and rocks line up across continents

• all of the above

Fossils of a particular animal species have been found in both southern Africa and South America but nowhere else. Which of the following is MOST LIKELY the reason why?

• The fossils evolved into different organisms

• The climate changed and became much colder.

• In the past, Africa and South America were part of the same land mass

• In the future, Africa and South America will be part of the same land mass

Name the boundary

• convergent boundary

• divergent boundary

• transform boundary

• sergent boundary

Which of these formed the Appalachian Mountains?

• sea-floor spreading

• continental plates colliding

• river sediment deposition

• frequent earthquake activity