Continental Drift Theory

When was the theory widely accepted?

• 1920s
• 1930s
• 1940s
• 1950s

Who is the person credited with developing the theory of continental drift?

• Harry Hess
• Galileo
• Alfred Wegener
• Newton

What evidence did Wegener use in his theory?

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

• glacier scars and other climate evidence

• mountain ranges and rocks line up across continents

• all of the above

What two specific continents fit together most noticeably?

• Africa and North America
• South America and Europe
• South America and Africa
• Antartica and Africa

The thinnest layer of the Earth is?

• Mantle
• Lithosphere
• Athenosphere
• Crust

Letter C is pointing to the ...

• crust
• mantle
• inner core
• outer core

Letter D is pointing to the ...

• crust
• mantle
• inner core
• outer core

Letter B is pointing to the ...

• crust
• mantle
• inner core
• outer core

Letter A is pointing to the ...

• crust
• mantle
• inner core
• outer core

As you travel from the crust to the inner core, how would temperature, pressure and density of the material change?

• The would all increase
• The would all decrease.
• They would stay the same.  
• Temperature would decrease, but pressure and density would increase.