Ch. 10 Plate Tectonics test review

theory describing the motion and force of Earth's plates

Mountain ranges from South America and ________ lined up proving they were once connected

plates slide past each other at ____ boundary

idea that continents drifted slowly apart

supercontinent that existed 300 million years ago

____ form when two continental plates diverge

device used by scientists to map the ocean floor

an underwater valley is a ____

Pattern of magnetic stripes in rocks on either side of a mid-ocean ridge is

Device used by scientists to map the ocean floor

Process that adds more material to the ocean floor

ancient plant remains provided evidence for Wegener's theory

___ in the mantle, cause the Earth's plates movements

San Andreas fault is an example of what kind of boundary

Convergent boundaries form _____

What changes the size and shape of the ocean

motion of Earth's plates is

the further from the mid-ocean ridge you go, the rocks are ...

Most geologists accepted Wegner's idea of drifting continents

Breaks in the crust where plates meet

boundary where two plates are moving apart

Which of the following was not part of evidence of continental drift

Continents moving closer to the poles have a _____ climate

Mesosaurus and Lystrosaurus are ________ that lived and roamed on supercontinent before it split

Longest mountain range on Earth

Sea-floor spreading occurs at mid-ocean ridges

Deep ocean trenches are ....

where does sea-floor spreading occur