Unit 4 Review

Multiple Choice

What was Wegener’s continental drift idea?

• The continents have moved slowly apart to their current locations.

• The continents have always been located at their current locations.

• The continents are moving slowly together from their current locations.

Multiple Choice

When we observe the same reptile fossil in two places, we infer ___.

• The reptile flew to a new habitat.

• The habitats used to be near each other.

• Someone buried the fossils in a new place to trick us.

Multiple Choice

What is Pangaea?

• ocean

• supercontinent

• America

Multiple Choice

What is a supercontinent?

• Pangaea

• each of several landmasses thought to have divided to form the present continent in the geological past

• continental drift

Multiple Choice

Process by which new ocean crust forms.

• Seafloor spreading

• Continental drift

• Mid-ocean ridge

Multiple Choice

Seafloor spreading happens at Mid-Ocean Ridges.

• True

• False

Multiple Choice

____________ is where the ocean floor sinks beneath a deep ocean trench and back into the mantle

• subduction

• divergence

Multiple Choice

A plate boundary where two plates move away from each other is called

• Divergent Boundary

• Convergent Boundary

• Transform Boundary

Multiple Choice

A Plate Boundary where two plates move toward each other is called

• Divergent Boundary

• Transform Boundary

• Convergent Boundary

Multiple Choice

What type of boundary is formed when plates slide past each other?

• transform

• divergent