Plate Tectonics

What does this represent?

• magnetic reversal
• older vs younger rocks
• convergent boundary
• transform boundary

Who introduced the idea of continental drift?

• H. Hess
• A. Wegener
• A. Einstein
• J. T. Wilson

If a divergent boundary occurs on land what feature will develop?

• rift valley

• hot spring
• mountain

• geyser

An oceanic plate is pushed against a continental plate. What is the most likely outcome?

• They will crumple and make mountains
• Oceanic will be pushed below continental
• A mid-ocean ridge will form
• A rift valley will be created

Where would you find the youngest rocks on the seafloor?

• At the top of a mountain
• Near a oceanic trench
• Near a mid-ocean ridge
• Far from a mid-ocean ridge

Theory that states the Earth's outer layer is broken into large slowly moving pieces.

• Plate Tectonics
• Genetic variation
• Sea-floor Spreading
• Magenetic reversal

Molten rock within Earth rises through cracks along a mid-ocean ridge causing ___. (pick 2)

• Plate Tectonics
• Slab-Pull
• Seafloor Spreading
• Ridge Push

About 250 million years ago the continents were joined in a single land mass called___.

• Pandora
• Pangaea
• Gonwana
• Laurasia

Where two plates collide.

• Divergent Boundary
• Convergent Boundary
• Transform Boundary
• Normal Boundary

Where two plates move away from each other.

• Convergent Boundary
• Transform Boundary
• Divergent Boundary
• Digress Boundary