Unit 7 Review

What was the name given to all the continents when they were joined as one super continent? 

• Supreme Continent
• Eurasia
• Plate tectonics
• Pangea

Scientists think that convection currents that move the plates flow in Earth's

• Continental crust
• Oceanic crust
• Asthenosphere
• Lithosphere

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

Name the boundary

• convergent boundary
• divergent boundary
• transform boundary
• sergent boundary

During sea floor spreading, molten material rises up from the mantle...

• along the continents
• at the mid ocean ridges
• deep ocean trenches
• at north and south poles

Which of the following is where one plate slides under another plate?

• submarine zone
• divergence zone
• subduction zone
• lower zone

This land formation occurs at a divergent continental/ continental boundary.

• mid ocean ridge
• deep ocean trench
• pacific hot spot
• rift valley

Oceanic crust is

• Younger and less dense than continental crust
• Thinner, younger and more dense than continental crust
• Older, thicker and less dense that continental crust
• Bigger and younger than continental crust

Earth's plates are...

• constantly moving and changing the face of the earth
• Never moves
• Moves seldom and very fast
• Moves when it feels like it