Unit 5 Review: Forces that Change the Earth

What land features are formed at a divergent boundary?

• fault block mountains

• rift zones

• mid-ocean ridges

• all of the above

Who proposed Continental Drift Theory?

• Albert Einstein

• Alfred Wegener

• Issac Newton

• Gegori Mendeleev

Which two continents did Alfred Wegener propose fit together perfectly.

• South America and Africa

• South America and North America

• Africa and Europe

• Africa and Australia

What landforms form at a convergent boundary?

• Mountains

• Volcanoes

• Ocean Trenches

• All of the above

What type of boundary is where two plates collide?

• Divergent

• Transform

• Convergent

Which layer of earth is responsible for the convection currents that drive plate tectonic movement?

• Lithosphere

• Asthenosphere

Where is the ocean floor the youngest?

• Where two oceanic plates are moving away from each other

• Where an oceanic plate is sliding under a continental plate

Where is the ocean floor the oldest?

• Where two oceanic plates are moving away from each other

• Where an oceanic plate is sliding under a continental plate

What would explain why we find fossils of the same animals on continents separated by the Atlantic Ocean?

• The animals swam across

• The animals existed on the continents seperatley

• The Atlantic Ocean did not exist in earlier times

What is a subduction zone?

• plates are sliding past one another

• plates are moving apart

• plates are colliding

• one plate is going under another