Plate Tectonics

A "plate" as used in the theory of Plate Tectonics is a _____ of the lithosphere.

According to the theory of plate tectonics, plates constantly _____ relative to each other.

Plates move beacuse they _____ on the moving _____.

The two types of plate are _____ and _____.

Plate motion was first observed in _____ drift.

We can prove that continents drift by showng that they _____ like pieces of a jigsaw puzzle, and by showing that _____, _____, _____ match when the continents are fitted to form a super continent.

Because oceans form by _____ motion of continents, ocean basins are _____ than continents.

The _____ valley is a proof that the seafloor spreads.

The age of the seafloor rocks _____ as the distance from the MOR increases.

_____ indicate that the plates are moving even today.

Plate tectonics is an important theory beacuse it explains the distribution of _____, _____, and _____.

The three types of plate motions, therefore boundaries are _____, _____, and _____.

Seafloor forms at _____boundaries, and is destroyed along _____ boundaries at _____.

Plates are conserved at _____ boundaries, a good example for this is the _____ fault.

The energy for late motion comes from _____/

If two oceanic converge, the _____, _____, _____ plate will undergo subduction.

Plate motion is from _____ to _____ volcanoes that were produced by a stationary hotspot.

Marine magnetic anomalies are _____ about the MOR proving that oceanic plates form at and spread from _____.

Along what features would you expect to find the deepest earthquakes?

What plate boundary would have only shallow earthquakes?

What specific type of plate boundary would have a fold mountain range.

What specific type of plate boundary would have volcanic mountain ranges.

How would you recognize a series of volcanoes formed due to a hotspot?

What plate motion would "close" an ocean?

How would you recognize a series of volcanoes formed due to subduction?