HARRY HESS IS THE MAN

______________ currents in the mantle push and pull the tectonic plates.

Oceanic rock is typically _________________ than Continental rock.

Old, heavy oceanic rock is destroyed at TREACHEROUS.....

New oceanic crust is created at _________________________.

What are more clues/evidence that supports the existence of Pangaea?

What is the name of this prehistoric reptile??

Harry Hess discovered _______________ on the bottom of the ocean floor.

The tectonic plates move a couple _______________ every year.

What is the name of the fossil found in Antarctica, proving it was once closer to the equator?

The crust and the upper solid part of the mantle make up the _____________________.

Where would you locate a part of the Mid-Ocean ridge portion that is above sea-level ???

process of magma rising up at Mid-Ocean ridges, cooling, expanding pushing old seafloor away is

Which location would contain the YOUNGER Oceanic Crust????!!!

What is the name of this prehistoric reptile?

What is the name of this prehistoric mammal-like reptile that was a carnivore?

Sonar Mapping uses ________________ waves.

The asthenosphere which means "weak" layer can be considered ___________________.

In his theory of Continental Drift, Alfred Wegener could NOT explain_______________.

Which is a clue that supports Alfred's Theory of Continental Drift??

Underwater mountain ranges that are in the middle of every major ocean are called....

What was Harry's connection to Alfred?