Continental Drift Videoquiz - Bill Nye

What evidence did Alfred Wegener observe that supported his theory of Continental Drift?

• Identical plant and animal fossils found on opposite sides of the Atlantic Ocean.

• The similar shapes of the eastern coast of South America and the western coast of Africa.

• The presence of land mammals in East Africa and the island of Madagascar.

• All of the above.

What was the primary use Harry Hess made of the depth sounder on his ship during World War II?

• To track German U-boats.

• To help maneuver the ship for beach landings.

• To measure the depth of the ocean floor.

• To discover new marine species.

What significant geological feature was discovered in the Atlantic Ocean in 1953 using sonar readings?

• A vast, flat plain of sediment.

• Deep canyons and trenches.

• A 12,000-mile long mountain range.

• Active volcanoes.

What is the process called when molten rock is forced up from inside the Earth at mid-ocean ridges, forming new crust that then moves away?

• Subduction

• Continental drift

• Seafloor spreading

• Volcanism

What geological phenomena can result from the collision of tectonic plates or their movement past each other?

• Only earthquakes

• Only volcanoes

• Earthquakes and volcanoes

• Mid-ocean ridges only

How would you rate this learning activity 1 (poor) - 5 (very good)

• 
• 
• 
• 
•