Intro to plate tectonics review

Which of the following is the name of the ancient supercontinent formed 28 Million Years ago.

• Pangea

• Gondwanda

• Laurasia

• Neverland

Part of mantle where lithosphere floats

• Crust

• Core

• Asthenosphere

• Atmosphere

Large pieces of Earth's lithosphere that move around are called?

• sections

• plates

• land masses

• faults

Which piece of evidence was not used by Wegener to support his theory of continental drift?

• South America and Africa coastlines

• coal beds in Antarctica

• plant and reptile fossils

• earthquake patterns

Other evidence include __________________ that plate tectonics does occurr in the crust of the Earth.

• Rock formation, weather, fossils

• Mountain formation, fossils, climate

• Land features, fossils, climate

• Valleys, Ocean trenches, climate

The __________________ are chains of undersea mountains.

• Mid-Ocean Ridges

• Ocean Trench

• Divergent boundary

• Transform boundary

______________________ continually adds materials to the ocean floor creating ocean floor.

• Sea-floor spreading

• Ocean trenches

• Divergent mid-ocean ridges

• Convergent mid-ocean ridges

Oceans plates sink back into the mantle at _______________ zones, keeping the crust the same size.

• Mid-ocean ridges

• Ocean trenches

• Subduction

• Transforming

Which of the following causes Earth's tectonic plates to move?

• Energy from the Sun

• Magnetic Pole Reversal

• Convection currents in the mantle

• Faults in Mountain Ranges

Where would the oldest rock be found?

• L

• M

• N

• O