Plate Motion Ch. 1 & Vocab Flashcard Review

Front

Geologists look for _____ in landforms and in geologic events in order to better understand Earth.

Back

patterns

Front

The plates of Earth's outer layer _____

Back

move

Front

Mesosaurus

Back

an extinct reptile that lived about 300 million years ago

Front

eruption

Back

the sudden pushing out of something, such as lava from a volcano

Front

geyser

Back

a natural spring that sends hot water and steam suddenly into the air from a hole in the ground

Front

What is the Earth's outermost layer called?

Back

the crust

Front

What is the process of plates moving apart called?

Back

divergent boundary

Front

What do we call the boundary where two plates collide?

Back

convergent boundary

Front

What is the term for the movement of the Earth's plates?

Back

plate tectonics

Front

What is a volcano?

Back

an opening in the Earth's crust where molten rock, ash, and gases escape.