Chapter 5 Test Review - Plate Tectonics

Old oceanic crust is _________ dense than new oceanic crust.

The San Andreas fault has which type of boundary?

Which type of boundary most often occurs along mid-ocean ridges?

Wegener observed that ______________ lined up on the continents of Europe and North America.

A _____________ forms the longest mountain ranges on Earth.

A rift valley forms at which type of boundary?

Any trace of an ancient organism that has been preserved in rock is called a ______________.

The ocean floor sinks below a deep-ocean trench in a process referred to as ____________.

Magnetic stripes produce a pattern on the ocean floor that is _____ on both sides of the M.O.R.

If subduction occurs faster than oceanic crust can be created, an ocean will ___________.

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

Figure "C" represents which type of plate boundary?

During sea-floor spreading, hotter and younger rock is located ____________ a mid-ocean ridge.

300 MYA, Wegener stated the continents were joined together in a supercontinent called _______.

Figure "A" represents which type of plate boundary?

What technology was used by scientists to figure out what the bottom of the ocean looks like?

New oceanic crust is less dense because it is _______.

______________ is the process that adds more crust to the ocean floor.

When two continental plates collide at a convergent boundary, what land features form?

Scientists of Wegener's time rejected his hypothesis because _____________________________.

Figure "B" represents which type of plate boundary?

Glossopteris fossils were found on all of the following continents EXCEPT which one?

The ________________________ describes the motion of force moving Earth's plates.

Wegener noticed the mountain ranges match up on the continents of Africa and _____________.

What does Wegener's hypothesis of continental drift tell us?

Wegener used evidence from ______, _____, and _____ to support his theory of continental drift.

During sea-floor spreading, older and more dense rock is located ___________ a mid-ocean ridge.