Plate Tectonics Discoveries
Interactive Video
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Elizabeth Hobson
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What observation first intrigued Alfred Wegener about the distribution of fossils?
The presence of identical plant and animal fossils on opposite sides of the Atlantic Ocean.
The discovery of ancient human settlements in unexpected locations.
The unusual shapes of clouds over the ocean.
The consistent depth of the ocean floor across vast distances.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What name did Alfred Wegener give to the single giant landmass he believed once existed, and what was his theory called?
Gondwana, Plate Tectonics
Laurasia, Continental Movement
Pangaea, Continental Drift
Atlantis, Landmass Separation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was Alfred Wegener's theory of Continental Drift initially largely ignored by his peers?
He lacked sufficient fossil evidence to support his claims.
He could not explain the mechanism by which continents moved.
His maps of the continents were inaccurate.
Other scientists had already proposed a similar theory with more evidence.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What surprising feature did Harry Hess discover about the Pacific Ocean floor during World War II?
It was completely flat and covered in a thick layer of sediment.
It contained vast, unexplored underwater cities.
It was characterized by mountains, canyons, trenches, and volcanic peaks.
It was much shallower than previously thought.
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Are you enjoying the video lesson?
Yes
No
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Harry Hess discover about the age of the Atlantic Ocean floor?
It was getting younger closer to the ridge.
It was progressively older the further it moved from the ridge.
It was stationary and unchanging.
It was sinking uniformly across the ocean basin.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when the Earth's crust is recycled back into the Earth's interior?
Seafloor spreading
Continental drift
Subduction
Volcanism
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