Unit 01: Plate Tectonics

What is the theory that Earth's crust is broken into several slowly moving plates?

What is the name of the southern portion of Pangaea?

Which plant fossils demonstrated that many of today's continents were once joined together?

What is a boundary where two plates move towards each other?

What is the theory that the continents had all once been joined together into a single supercontinent?

What is a location where two plates grind past each other neither creating or destroying crust?

What forms new ocean floor along Earth's mid-ocean ridges?

What is the name for a curved chain of small volcanic islands produced by subduction?

Which force facilitates subduction at deep-ocean trenches

Long, curved valleys lying along the edges of some ocean basins

Which force facilitates sea-floor spreading at mid-ocean ridges?

What heat transfer occurs in a fluid due to differences in density?

The process where ocean floor returns to the mantle by sinking beneath a trench is called...

What is a range of volcanic mountains produced by subduction along the edge of a continent?

What are the mountain chains found in earth's oceans?

Which type of evidence for Pangaea refers to the coastlines of continents?

What is the term for magnetic minerals that align with earth's past magnetic field?

What is a large segment of Earth's lithosphere separated by deep faults called?

Meaning "all land," what is the name of the supercontinent in the continental drift hypothesis?

Which boundary is where two plates move apart?