Sea Floor Spreading Notes

Long chains of mountains that rise up from the ocean floor are  called:

Most geologists think that the movement of Earth's plates is caused by

The Atlantic Ocean is __________ due to sea floor spreading

Sea floor spreading does NOT

At a deep ocean trench, land is 

Which of the following is NOT evidence to support sea floor spreading

When the ocean floor sinks beneath a deep ocean trench and back into the mantle is known as

Deep ocean trenches are underwater

Mid Ocean ridges are :

Scientists map the ocean floor using:

The Artic Ocean is __________ due to subduction

When the ocean floor sinks beneath a deep ocean trench and back into the mantle is known as

Old oceanic crust is more dense than new oceanic crust because it is

In sea floor spreading, molten material rises from the mantle and erupts