Hess's first name. (Hint: NOT Holy Moly.)
What is Harry?
What is the longest mountain range in the world?
What is the mid ocean ridge?
What kind of rock makes up the ocean floor?
What are magnetized stripes?
The magnetic stripes are asymmetrical on either side of the MOR. (True or False?)
What is False?
Where does subduction occur?
What are deep sea trenches?
What did Hess study?
What is Geology?
What rises from the asthenosphere and out of the mid ocean ridge.
What is molten material?
What would happen is the magnetic poles reversed today?
What is the compass needle would point south instead of north?
The 1st research ship designed to drill samples of rock from the deep ocean floor.
What was the Glomar Challenger?
The shrinking ocean.
What is the Pacific Ocean?
The famous geologist Hess taught. (Full name!)
Who is John Tuzo Wilson?
The country where you can see the mid-ocean ridge above sea level.
What is Iceland?
Where can we see the switching of the poles?
What is the rock on the ocean floor?
The original way of mapping the sea floor.
What is dragging a weighted rope across the ocean floor?
Where angler fish live.
What are deep sea trenches?
The year Hess proposed his ideas.
What is 1960?
What does SONAR stand for?
What is SOund, NAvigation, and Ranging?
How often do the poles switch?
What is ten thousand to fifty million years?
What is pillow lava?
What are rocks shaped like pillows formed when the surface of molten rock solidifies after coming out from the asthenosphere?
The land forms that develop on the continental side of the subduction zone.
What are volcanoes/island arcs?
The evidence Hess presented that proved Wegener's theory.
What is the MOR mimics the shape of the continents and the sea-floor is spreading?
The length of the mid-ocean ridge.
What is 50,000 Km?
How can we see the switching of the poles in the rock of the ocean floor?
What is as molten rock from the mid-ocean ridge solidifies, the iron inside the rock positions north and can never switch?
The year the Glomar Challenger was built.
What is 1968?